DIAGNOSIS FUNCTION


ENGINE WARNING LAMP (CHECK ENGINE WARNING LAMP)


The following diagnosis items have been added as the engine warning lamp inspection items.

ENGINE WARNING LAMP INSPECTION ITEMS
Code No.
 Diagnosis item
P0003*1
 Suction control valve open <EURO5>
P0004*1
 Suction control valve battery short <EURO5>
P0401
 EGR flow insufficient <EURO5>
P0420*1
 Catalyst malfunction <EURO5>
P0427*1
 No. 2 exhaust gas temperature sensor (catalyst temperature) circuit low input <EURO5>
P0428*1
 No. 2 exhaust gas temperature sensor (catalyst temperature) circuit high input <EURO5>
P0489
 EGR valve position sensor circuit low input <EURO5>
P0490
 EGR valve position sensor circuit high input <EURO5>
P0500
 Vehicle speed signal low input <EURO5>
P0545*1
 No. 1 exhaust gas temperature sensor circuit low input <EURO5>
P0546*1
 No. 1 exhaust gas temperature sensor circuit high input <EURO5>
P062F
 EEPROM malfunction <EURO5>
P0712
 Transmission oil temperature sensor low <M/T>
P0713
 Transmission oil temperature sensor high <M/T>
P1276
 Fuel filter exchange <Except vehicles for Australia and New Zealand>
P1277
 Fuel filter freeze <Except vehicles for Australia and New Zealand>
P1427*1
 No. 3 exhaust gas temperature sensor (DPF temperature) circuit low input <EURO5>
P1428*1
 No. 3 exhaust gas temperature sensor (DPF temperature) circuit high input <EURO5>
P1497*1
 DPF system malfunction <EURO5>
P1498*1
 Excessive PM accumulated in DPF <EURO5>
P1499*1
 Abnormally high DPF temperature <EURO5>
P2150*1
 Injector common 2 (cylinder No. 2 and No. 3) circuit earth short <EURO5>
P2151*1
 Injector common 2 (cylinder No. 2 and No. 3) circuit battery short <EURO5>
P244A
 DPF differential pressure too low <EURO5>
P2453*1
 Exhaust differential pressure sensor range/performance problem <EURO5>
P2454*1
 Exhaust differential pressure sensor circuit low input <EURO5>
P2455*1
 Exhaust differential pressure sensor circuit high input <EURO5>
P2463*1
 No chance of forcible regeneration of DPF <EURO5>
P252F*1
 Engine oil level malfunction <EURO5>
note
  • After the engine-ECU has detected a malfunction, the engine warning lamp illuminates when the engine is next turned on and the same malfunction is re-detected. However, for items marked with a "*1" in the diagnosis code number column, the engine warning lamp illuminates only on the first detection of the malfunction.

FAIL-SAFE AND BACKUP FUNCTION


The fail-safe and backup function table has been revised as a DPF system, which conforms to EURO5, has been introduced.

List of fail-safe and backup function items
Code No.
 Diagnosis item
 Control contents during malfunction
P0003
 Suction control valve open
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is controlled.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0004
 Suction control valve battery short
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0016
 Crank angle sensor/camshaft position sensor phase problem
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0047
 Variable geometry control solenoid valve circuit low input
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The turbocharger control is prohibited.
P0048
 Variable geometry control solenoid valve circuit high input
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The turbocharger control is prohibited.
P0072
 Intake air temperature sensor circuit low input
  • The intake air temperature is controlled to be 50°C.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0073
 Intake air temperature sensor circuit high input
  • The intake air temperature is controlled to be 50°C.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0088
 Common rail high pressure malfunction
  • The throttle valve is closed (Fixed opening degree).
  • The rail pressure is controlled in the range between 50 and 60 MPa.
  • The DPF regeneration is prohibited.
  • The fuel injection amount is restricted (Output restriction).
  • The EGR control is stopped (fully closed).
  • The open angle of the accelerator pedal is restricted.
P0089
 Suction control valve stuck
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0093
 Fuel leak problem
  • The rail pressure is controlled to be 100 MPa or less.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0101
 Air flow sensor range/performance problem
  • The control is performed using the previous value.
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
P0102
 Air flow sensor circuit low input
  • The control is performed using the previous value.
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
P0103
 Air flow sensor circuit high input
  • The control is performed using the previous value.
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
P0106
 Manifold absolute pressure sensor range/performance problem
  • The pressure in the inlet manifold is controlled to be 100 kPa.
  • The EGR control is stopped (fully closed).
  • The fuel injection amount is restricted (Output restriction). <EURO5>
  • The open angle of the accelerator pedal is restricted. <EURO5>
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
  • The turbocharger control is prohibited.
P0107
 Manifold absolute pressure sensor circuit low input
  • The pressure in the inlet manifold is controlled to be 100 kPa.
  • The EGR control is stopped (fully closed).
  • The fuel injection amount is restricted (Output restriction). <EURO5>
  • The turbocharger control is prohibited.
  • The open angle of the accelerator pedal is restricted. <EURO5>
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
P0108
 Manifold absolute pressure sensor circuit high input
  • The pressure in the inlet manifold is controlled to be 100 kPa.
  • The EGR control is stopped (fully closed).
  • The fuel injection amount is restricted (Output restriction). <EURO5>
  • The turbocharger control is prohibited.
  • The open angle of the accelerator pedal is restricted. <EURO5>
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).

P0112
 EGR gas temperature sensor circuit low input
  • The intake air temperature is controlled to be 50°C.
  • The EGR control is stopped (fully closed).
P0113
 EGR gas temperature sensor circuit high input
  • The intake air temperature is controlled to be 50°C.
  • The EGR control is stopped (fully closed).
P0117
 Engine coolant temperature sensor circuit low input
  • The engine coolant temperature is controlled to be 80°C (Start-up of -25°C).
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
P0118
 Engine coolant temperature sensor circuit high input
  • The engine coolant temperature is controlled to be 80°C (Start-up of -25°C).
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
P0122
 Throttle position sensor circuit low input
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
P0123
 Throttle position sensor circuit high input
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
P0182
 Fuel temperature sensor circuit low input
  • The fuel temperature is controlled to be 45°C (Start-up of -25°C).
P0183
 Fuel temperature sensor circuit high input
  • The fuel temperature is controlled to be 45°C (Start-up of -25°C).
P0191
 Rail pressure sensor range/performance problem
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0192
 Rail pressure sensor circuit low input
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0193
 Rail pressure sensor circuit high input
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0201
 No. 1 injector circuit malfunction
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0202
 No. 2 injector circuit malfunction
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0203
 No. 3 injector circuit malfunction
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0204
 No. 4 injector circuit malfunction
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0217
 Engine coolant over temperature
  • The fuel injection amount is restricted (Output restriction).
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
P0219
 Engine over speed condition
  • The throttle valve is closed (Fixed opening degree).
  • The engine is stopped (The fuel injection and pump pressure feed are stopped.).
  • The DPF regeneration is prohibited.
P0299
 Turbocharger underboost condition
  • The fuel injection amount is restricted (Output restriction). <EURO5>
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The open angle of the accelerator pedal is restricted. <EURO5>
  • The throttle valve is opened (Electrical discontinuity).
  • The turbocharger control is prohibited.
P0301
 No. 1 cylinder injector malfunction (No injection)
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
P0302
 No. 2 cylinder injector malfunction (No injection)
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
P0303
 No. 3 cylinder injector malfunction (No injection)
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
P0304
 No. 4 cylinder injector malfunction (No injection)
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
P0335
 Crank angle sensor system
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The DPF regeneration is prohibited.
  • The fuel injection amount is restricted (Output restriction).
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The open angle of the accelerator pedal is restricted.
P0336
 Crank angle sensor range/performance problem
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The DPF regeneration is prohibited.
  • The fuel injection amount is restricted (Output restriction).
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The open angle of the accelerator pedal is restricted.
P0402
 EGR flow excessive
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
P0403
 EGR valve DC motor malfunction
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
P0405
 EGR valve position sensor circuit low input
  • The EGR control is stopped (fully closed).
P0406
 EGR valve position sensor circuit high input
  • The EGR control is stopped (fully closed).
P0420
 Catalyst malfunction
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0427
 No. 2 exhaust gas temperature sensor (catalyst temperature) circuit low input
  • The No.2 exhaust gas temperature is controlled to be 0°C.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0428
 No. 2 exhaust gas temperature sensor (catalyst temperature) circuit high input
  • The No.2 exhaust gas temperature is controlled to be 0°C.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0489
 EGR valve position sensor circuit low input
  • The EGR control is stopped (fully closed).
P0490
 EGR valve position sensor circuit high input
  • The EGR control is stopped (fully closed).
P0500
 Vehicle speed signal low input
  • The EGR control is stopped (fully closed).
P0502
 Vehicle speed signal low input
  • The EGR control is stopped (fully closed).
P0537
 A/C Evaporator temperature sensor circuit low input
  • Control as if the evaporator surface temperature is -6.4°C.
P0538
 A/C Evaporator temperature sensor circuit high input
  • Control as if the evaporator surface temperature is -6.4°C.
P0545
 No. 1 exhaust gas temperature sensor (catalyst temperature) circuit low input
  • The No.1 exhaust gas temperature is controlled to be 0°C.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0546
 No. 1 exhaust gas temperature sensor (catalyst temperature) circuit high input
  • The No.1 exhaust gas temperature is controlled to be 0°C.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0603
 EEPROM malfunction
  • The EGR control is stopped (fully closed).
P0604
 Random access memory (RAM) malfunction
  • The engine is stopped (The fuel injection and pump pressure feed are stopped).
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
P0605
 Read only memory (FLASH ROM) malfunction
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The turbocharger control is prohibited.
P0606
 Engine-ECU (main CPU) malfunction
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The turbocharger control is prohibited.
P0607
 Engine-ECU (sub CPU) malfunction
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The turbocharger control is prohibited.
P0628
 Suction control valve open
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P0629
 Suction control valve battery short
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (Fixed opening degree).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P062F
 EEPROM malfunction
  • The EGR control is stopped (fully closed).
P0638
 Throttle valve control servo stuck
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
P0642
 Analog sensor reference voltage No. 1 too low
  • The accelerator pedal opening is controlled to be 0 %.
  • The idle speed is 1,300 r/min.
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is closed (Fixed opening degree).
  • The turbocharger control is prohibited.
P0643
 Analog sensor reference voltage No. 1 too high
  • The accelerator pedal opening is controlled to be 0 %.
  • The idle speed is 1,300 r/min.
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is closed (Fixed opening degree).
  • The turbocharger control is prohibited.
P0652
 Analog sensor reference voltage No. 2 too low
  • The accelerator pedal opening is controlled to be 0 %.
  • The idle speed is 1,300 r/min.
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is closed (Fixed opening degree).
  • The turbocharger control is prohibited.
P0653
 Analog sensor reference voltage No. 2 too high
  • The accelerator pedal opening is controlled to be 0 %.
  • The idle speed is 1,300 r/min.
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is closed (Fixed opening degree).
  • The turbocharger control is prohibited.
P0683
 Glow control unit communication abnormality
  • The glow control is prohibited.
P0712
 Transmission oil temperature sensor low
  • The engine coolant temperature is controlled to be 140°C (Start-up of -25°C).
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
P0713
 Transmission oil temperature sensor high
  • The engine coolant temperature is controlled to be 140°C (Start-up of -25°C).
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
P1020
 Oil feeder control valve system
  • The MIVEC control is prohibited.
P1203
 Capacitor insufficient charging
  • The rail pressure is controlled in the range between 50 and 100 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
P1204
 Capacitor excessive charging
  • The engine is stopped (The fuel injection and pump pressure feed are stopped).
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
P1272
 Pressure limiter malfunction
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
P1273
 Supply pump insufficient flow
  • The rail pressure is controlled in the range between 50 and 60 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (except the driving conditions that the fuel pressure exceeds the seizure resistance.). (Fixed opening degree)
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P1274
 Supply pump protection
  • The rail pressure is controlled in the range between 50 and 60 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
P1275
 Supply pump exchange
  • The rail pressure is controlled in the range between 50 and 60 MPa.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The throttle valve is closed (except the driving conditions that the fuel pressure exceeds the seizure resistance.). (Fixed opening degree)
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P1277
 Fuel filter freeze
  • The rail pressure is controlled by more than 50 MPa.
  • The accelerator pedal opening is controlled to be 0 %.
P1298
 Variable geometry turbocharger control system malfunction (high pressure)
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
  • The turbocharger control is prohibited.
P1299
 Variable geometry turbocharger control system malfunction (low pressure)
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The fuel injection amount is restricted (Output restriction). <EURO5>
  • The open angle of the accelerator pedal is restricted. <EURO5>
  • The turbocharger control is prohibited.
P1427
 No. 3 exhaust gas temperature sensor (DPF temperature) circuit low input
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The No.3 exhaust gas temperature is controlled to be 0°C.
P1428
 No. 3 exhaust gas temperature sensor (DPF temperature) circuit high input
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The No.3 exhaust gas temperature is controlled to be 0°C.
P1497
 DPF system malfunction
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
P1498
 Excessive PM accumulated in DPF
  • The EGR control is stopped (fully closed).
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
P1499
 Abnormally high DPF temperature
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.
P1625
 Injection quantity compensation value error
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
P2118
 Throttle valve control DC motor current malfunction
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P2122
 Accelerator pedal position sensor (main) circuit low input
  • The amount of depression of the accelerator pedal is detected, using the accelerator pedal position sensor (sub) signal, which is calculated by taking half of the normal value.
P2123
 Accelerator pedal position sensor (main) circuit high input
  • The amount of depression of the accelerator pedal is detected, using the accelerator pedal position sensor (sub) signal, which is calculated by taking half of the normal value.
P2124
 Accelerator pedal position sensor (main) circuit high input intermittent
  • The amount of depression of the accelerator pedal is detected, using the accelerator pedal position sensor (sub) signal, which is calculated by taking half of the normal value.
P2127
 Accelerator pedal position sensor (sub) circuit low input
  • The amount of depression of the accelerator pedal is detected with using the accelerator pedal position sensor (main) signal, which is calculated by taking half of the normal value.
P2128
 Accelerator pedal position sensor (sub) circuit high input
  • The amount of depression of the accelerator pedal is detected, using the accelerator pedal position sensor (main) signal, which is calculated by taking half of the normal value.
P2138
 Accelerator pedal position sensor (main and sub) range/performance problem
  • The accelerator pedal opening is controlled to be 0 %.
  • The idle speed is 1,300 r/min (Both of the main and substitute APSs are failed or their characteristics are abnormal.).
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P2146
 Injector common 1 (cylinder No. 1and No. 4) circuit open
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P2147
 Injector common 1 (cylinder No. 1and No. 4) circuit earth short
  • The engine is stopped (The fuel injection and pump pressure feed are stopped).
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P2148
 Injector common 1 (cylinder No. 1and No. 4) circuit battery short
  • The engine is stopped (The fuel injection and pump pressure feed are stopped).
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P2149
 Injector common 2 (cylinder No. 2 and No. 3) circuit open
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
P2150
 Injector common 2 (cylinder No. 2 and No. 3) circuit earth short
  • The engine is stopped (The fuel injection and pump pressure feed are stopped).
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P2151
 Injector common 2 (cylinder No. 2 and No. 3) circuit battery short
  • The engine is stopped (The fuel injection and pump pressure feed are stopped).
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P2228
 Barometric pressure sensor circuit low input
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
  • The turbocharger control is prohibited.
P2229
 Barometric pressure sensor circuit high input
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
  • The DPF regeneration is prohibited.
  • The turbocharger control is prohibited.
P2413
 EGR system performance
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
  • The throttle valve is opened (Electrical discontinuity).
P2426
 EGR cooling valve control circuit (Low)
  • The EGR control is stopped (fully closed).
P2427
 EGR cooling valve control circuit (High)
  • The EGR control is stopped (fully closed).
P244A
 DPF differential pressure too low
  • The DPF regeneration is prohibited.
P2453
 Exhaust differential pressure sensor range/performance problem
  • The DPF regeneration is prohibited.
  • The EGR control is stopped (fully closed).
  • The throttle valve is opened (Electrical discontinuity).
P2454
 Exhaust differential pressure sensor circuit low input
  • The EGR control is stopped (fully closed).
P2455
 Exhaust differential pressure sensor circuit high input
  • The throttle valve is opened (Electrical discontinuity).
  • The EGR control is stopped (fully closed).
  • The DPF regeneration is prohibited.
P2463
 No chance of forcible regeneration of DPF
  • The EGR control is stopped (fully closed).
  • The fuel injection amount is restricted (Output restriction).
  • The open angle of the accelerator pedal is restricted.