DATA LIST REFERENCE TABLE


warning When touching the throttle valve, surely shut off the driving circuits of the throttle valve. In the event that the throttle valve is operated, a finger might be injured as the result of being caught by the throttle valve.
Item No.
 Inspection Item
 Inspection condition
 Normal condition
1
 Battery voltage
 Ignition switch: ON
 System voltage
2
 Crank angle sensor
  • Engine: Cranking
  • Tachometer: Connected

 Compare engine speed on tachometer with the value displayed on M.U.T.-III
 Matched

  • Engine: Idle operation (At approximately 1 minute later from when the engine starting sequence is completed, the engine is in the steady state.)
  • Transmission: Neutral
  • A/C switch: OFF

 Engine coolant temperature: - 20°C
 1,300 - 1,500 r/min
Engine coolant temperature: 0°C
 1,200 - 1,400 r/min
Engine coolant temperature: 20°C
 1,000 - 1,200 r/min
Engine coolant temperature: 40°C
 800 - 1,000 r/min
Engine coolant temperature: 80°C
 550 - 750 r/min
3
 Target idling speed
  • Engine: Idle operation (At approximately 1 minute later from when the engine starting sequence is completed, the engine is in the steady state.)
  • Transmission: Neutral
  • A/C switch: OFF

 Engine coolant temperature: - 20°C
 1,300 - 1,500 r/min
Engine coolant temperature: 0°C
 1,200 - 1,400 r/min
Engine coolant temperature: 20°C
 1,000 - 1,200 r/min
Engine coolant temperature: 40°C
 800 - 1,000 r/min
Engine coolant temperature: 80°C
 550 - 750 r/min
4
 Vehicle speed signal
 Running at 40 km/h
 Approximately 40 km/h
5
 Intake air temperature sensor
 Ignition switch: ON or engine running
 Intake air temperature: - 20°C
 - 20°C
Intake air temperature: 0°C
 0°C
Intake air temperature: 20°C
 20°C
Intake air temperature: 40°C
 40°C
Intake air temperature: 80°C
 80°C
6
 Engine coolant temperature sensor
 Ignition switch: ON or engine running
 Engine coolant temperature: - 20°C
 - 20°C
Engine coolant temperature: 0°C
 0°C
Engine coolant temperature: 20°C
 20°C
Engine coolant temperature: 40°C
 40°C
Engine coolant temperature: 80°C
 80°C
8
 Manifold absolute pressure sensor
 Ignition switch: ON
 Altitude: 0 m
 101 kPa
Altitude: 600 m
 95 kPa
Altitude: 1,200 m
 88 kPa
Altitude: 1,800 m
 81 kPa
Set the vehicle to the pre-inspection condition
 Idle operation
 16 - 36 kPa
Excessive acceleration
 Varies depending on the negative pressure at the inlet manifold
10
 Air flow sensor
Set the vehicle to the pre-inspection condition
 Idle operation
 800 - 1,200 mV*1
2,500 r/min
 1,100 - 1,500 mV*1
Acceleration
 Varies depending on the acceleration
11
 Accelerator pedal position sensor (main)
 Ignition switch: ON
 Release the accelerator pedal
 900 - 1,100 mV
Depress the accelerator pedal
 Increases in response to the pedal depression stroke
Depress the accelerator pedal fully
 4,000 mV or more
12
 Accelerator pedal position sensor (sub)
 Ignition switch: ON
 Release the accelerator pedal
 400 - 600 mV
Depress the accelerator pedal
 Increases in response to the pedal depression stroke
Depress the accelerator pedal fully
 2,000 mV or more
13
 Throttle position sensor (main)
  • Remove the intake air hose at the throttle body
  • Disconnect the connector of the electronic-controlled throttle valve
  • With the special tool test harness (MB991658) bridge only the mating terminals of No. 3, No. 4, No. 5, and No. 6 of the disconnected connectors
  • Ignition switch: ON (engine stopped)

 Fully close the throttle valve with your finger
 300 - 700 mV
Fully open the throttle valve with your finger
 4,000 mV or more
Engine: Idle operation after warm-up
 No load
 500 - 660 mV
A/C switch:
OFF → ON
 Voltage rises
15
 Throttle position sensor (sub)
  • Remove the intake air hose at the throttle body.
  • Disconnect the connector of the electronic-controlled throttle valve
  • With the special tool test harness (MB991658) bridge only the mating terminals of No. 3, No. 4, No. 5, and No. 6 of the disconnected connectors
  • Ignition switch: ON (engine stopped)

 Fully close the throttle valve with your finger
 4,000 mV or more
Fully open the throttle valve with your finger
 1,000 mV or less
16
 Ignition advance
  • Set the vehicle to the pre-inspection condition.
  • Install timing light (for use to measure actual ignition timing)

 Engine: Idle operation (Approximately 1 minute passes after the engine starting sequence is completed, and then the engine is in the steady state.)
 2 - 18 °CA (BTDC)
2,500 r/min
 31 - 43 °CA (BTDC)
17
 Injector drive time
 Set the vehicle to the pre-inspection condition.
 Idle operation
 1.5 - 3.5 ms*2
2,500 r/min
 1.2 - 3.2 ms*2
Excessive acceleration
 Increases
74
 Stop lamp switch
 Ignition switch: ON
 Depressed the brake pedal
 ON
Released the brake pedal
 OFF
76
 A/C switch
 Engine: Idle operation after warm-up
 A/C switch: OFF
 OFF
A/C switch: ON
 ON (when the compressor clutch is operated)
79
 Cranking signal
(Ignition switch-ST)
 Ignition switch: ON
 OFF
Engine: Cranking
 ON
83
 Power steering fluid pressure switch
 Engine: Idle operation after warm-up
 When steering wheel is stationary
 OFF
When steering wheel is operated
 ON
84
 Idling switch
 Ignition switch: ON
 Depress the accelerator pedal
 OFF
Release the accelerator pedal
 ON
85
 Ignition switch-IG
 Ignition switch: ON
 ON
89
 Normally closed brake switch
 Ignition switch: ON
 Depress the brake pedal
 ON
Release the brake pedal
 OFF
90
 Oil pressure switch
 Ignition switch: ON
 ON
Engine: Idle operation after warm-up
 OFF
93
 A/C compressor relay
 Engine: Idle operation after warm-up
 A/C switch: OFF
 OFF
A/C switch: ON
 ON (when the compressor clutch is operated)
95
 Engine control relay
 Ignition switch: ON
 ON
96
 Throttle valve control servo relay
 Ignition switch: ON
 ON
97
 Fuel pump relay
 Ignition switch: ON
 OFF
Engine: Idle operation
 ON
AA
 Air flow sensor
 Set the vehicle to the pre-inspection condition
 Engine: Idle operation
 2.0 - 6.0 g/s*1
Engine: 2,500 r/min
 6.0 - 14.0 g/s*1
Engine: Excessive acceleration
 Varies depending on the acceleration
AB
 Throttle position sensor (main)
  • Remove the intake air hose at the throttle body
  • Disconnect the connector of the electronic-controlled throttle valve
  • With the special tool test harness (MB991658) bridge only the mating terminals of No. 3, No. 4, No. 5, and No. 6 of the disconnected connectors
  • Ignition switch: ON (engine stopped)

 Fully close the throttle valve with your finger
 6 - 14 %
Fully open the throttle valve with your finger
 80 - 100%
AC
 Oxygen sensor (front)
 Engine: After warm-up (leaner by deceleration, richer acceleration)
 Excessive deceleration from 4,000 r/min
 0.2 V or less
At excessive acceleration
 0.6 to 1.0 V
Engine: After warm-up (use oxygen sensor signals, check the air-fuel ratio and the conditions under the control of the engine-ECU)
 Idle operation
 0.4 V or less <=> 0.6 to 1.0 V (varies)
2,500 r/min
AD
 Oxygen sensor (rear) <EURO4>
  • Transmission: 2nd
  • The engine speed is maintained to 3,500 r/min or more during an accelerated driving with the throttle full-open

 0.6 - 1.0 V
BB
 Barometric pressure
 Ignition switch: ON
 Altitude: 0 m
 101 kPa
Altitude: 600 m
 95 kPa
Altitude: 1,200 m
 88 kPa
Altitude: 1,800 m
 81 kPa
BC
 Throttle position sensor (relative value)
  • Remove the intake air hose at the throttle body
  • Disconnect the connector of the electronic-controlled throttle valve
  • With the special tool test harness (MB991658) bridge only the mating terminals of No. 3, No. 4, No. 5, and No. 6 of the disconnected connectors
  • Ignition switch: ON (engine stopped)

 Fully close the throttle valve with your finger
 0 - 5 %
Fully open the throttle valve with your finger
 88 - 100 %
BD
 Throttle position sensor (sub)
  • Remove the intake air hose at the throttle body
  • Disconnect the connector of the electronic-controlled throttle valve
  • With the special tool test harness (MB991658) bridge only the mating terminals of No. 3, No. 4, No. 5, and No. 6 of the disconnected connectors
  • Ignition switch: ON (engine stopped)

 Fully close the throttle valve with your finger
 6 - 14 %
Fully open the throttle valve with your finger
 80 - 100 %
BE
 Accelerator pedal position sensor (main)
 Ignition switch: ON
 Release the accelerator pedal
 18 - 22 %
Depress the accelerator pedal
 Increases in response to the pedal depression stroke
Depress the accelerator pedal fully
 80 % or more
BF
 Accelerator pedal position sensor (sub)
 Ignition switch: ON
 Release the accelerator pedal
 8 - 12 %
Depress the accelerator pedal
 Increases in response to the pedal depression stroke
Depress the accelerator pedal fully
 40 % or more
DD
 Accelerator pedal position sensor (relative value)
 Ignition switch: ON
 Release the accelerator pedal
 0 - 5 %
Depress the accelerator pedal
 Increases in response to the pedal depression stroke
Depress the accelerator pedal fully
 88 - 100 %
101
 A/C condenser fan relay <Vehicles with condenser fan>
 A/C condenser fan inactive state
 OFF
A/C condenser fan rotation state
 ON
102
 Starter relay
 Ignition switch: ON
 OFF
Engine: Cranking
 ON
174
 Fin thermo sensor <Vehicles with cooler or A/C>
  • Ignition switch: ON
  • Set the temperature control lever of the cooler to its maximum position <Cooler>.

 Evaporator outlet temperature is the same as M.U.T.-III displayed temperature
note *1: On the new vehicle (mileage: 500 km or less), air flow sensor output value may be higher by approximately 10 %.
note *2: On the new vehicle (mileage: 500 km or less), injector drive time may be longer by approximately 10 %.

Engine-ECU monitoring items



Item No.
 INSPECTION ITEM
 M.U.T.-III display descriptions
 Standards at each check
 Display range, and numeric value
14
 Throttle position sensor (main) mid opening learning value
  • The following shows learning values of throttle valve opening angle at idling.

 Ignition switch: ON
 500 - 2,000 mV
26
 Long-term fuel trim
  • Indicates the long-term air-fuel ratio feedback amount.
  • The negative side shows a reduction in the injection amount, while the positive side shows an increase.

 Ignition switch: ON
 -12.5 to 12.5 %
28
 Short-term fuel trim
  • Indicates the short-term air-fuel ratio feedback amount.
  • The negative side shows a reduction in the injection amount, while the positive side shows an increase.

 Engine: After warm-up, 2,500 r/min without any load (under the air-fuel ratio feedback control)
 -25 to 25 %
32
 Detonation retard
  • Indicates the ignition timing retardation angle that is controlled by the detonation sensor output.

Engine: Excessive acceleration after warm-up
 Retards depending on the degree (angle) of acceleration
33
 Detonation control learned value
  • Indicates the learning value to compensate for the ignition timing that is controlled by the detonation sensor output.
  • 0 %side is retardation, and 100 % side is advance.

 Ignition switch: ON
 0 - 100 %
49
 Purge control solenoid valve duty
  • Indicates the duty ratio for the purge control solenoid valve.

 Engine: After warm-up (when 1 minute has elapsed)
 0 - 100 %
58
 Throttle valve control servo
  • Indicates the target opening angle of throttle valve.

 Engine: After warm-up
 0 - 100 %
59
 Throttle valve control servo target value
  • Indicates the target opening angle of throttle valve.

 Engine: After warm-up
 0 - 5.0 V
68
 Idle speed control learned value (A/C OFF)
  • Indicates the learning value to compensate for the opening angle of idling speed control (opening angle of throttle valve).
  • The negative side shows "close" side, while the positive side shows "open" side.

 Ignition switch: ON
 -1 to 2.4 L/s
69
 Idle speed control learned value (A/C ON)
  • Indicates the learning value to compensate for the opening angle of idling speed control (opening angle of throttle valve) with the air conditioner turned ON.
  • The negative side shows "close" side, while the positive side shows "open" side.

 Ignition switch: ON
 -1 to 2.4 L/s
72
 Absolute load value
  • Indicates the size of engine load.

 Engine: After warm-up
 0 - 100 %
73
 Calculated load value
  • Indicates the size of engine load.

 Engine: After warm-up
 0 - 100 %
105
 Fuel system status 1
  • Indicates the air-fuel ratio feedback control conditions.

      • CL: Closed loop*1
      OL: Open loop*2
      OL-DRV: Open loop depending on the drive conditions
      OL-SYS: Open loop due to system anomaly.
      CL-HO2: Closed loop only for the front oxygen sensor (rear oxygen sensor anomaly)

 Engine: After warm-up
 Varies depending on the drive conditions
106
 Fuel system status 2
 Data items are displayed on M.U.T.-III display, but the in-line 4 engine is not applicable and its data is displayed as "N/A".
 N/A
note *1: Condition in which oxygen sensor signals are fed back to the engine-ECU for controlling fuel.
note *2: Condition in which fuel is controlled without oxygen sensor signals being fed back to the engine-ECU because the condition to shift to the closed loop is not met.