DATA LIST REFERENCE TABLE


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
 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
 1,200 - 1,400 r/min
Engine coolant temperature: 40°C
 1,000 - 1,200 r/min
Engine coolant temperature: 80°C
 550 - 750 r/min
3
 Target idling speed
 Engine: Idle operation
 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
 1,200 - 1,400 r/min
Engine coolant temperature: 40°C
 1,000 - 1,200 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 *1
 Set the vehicle to the pre-inspection condition
 Idle operation
 800 - 1,200 mV
2,500 r/min
 1,100 - 1,500 mV
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
Transmission: N → D range
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 (right bank)
  • Engine: After warm-up
  • Install timing light (for use to measure actual ignition timing)

 Idle operation
 2 - 18 °CA (BTDC)
2,500 r/min
 31 - 43 °CA (BTDC)
17
 Injector drive time*2
 Engine: cranking
 When engine coolant temperature is 0°C
 80 - 120 ms
When engine coolant temperature is 20°C
 30 - 50 ms
When engine coolant temperature is 80°C
 8 - 16 ms
Set the vehicle to the pre-inspection condition
 Engine is idling
 1.5 - 3.5 ms
2,500 r/min
 1.2 - 3.2 ms
Suddenly depress the accelerator pedal
 Increases
21
 Electric power steering current value
  • Engine: Idle operation after warm-up
  • Turn the steering wheel to the left and right with a vehicle stationary.

 Approximately 110 A or less
31
 Exhaust gas recirculation valve
Set the vehicle to the pre-inspection condition
 Engine is idling
 1 - 8 STEP
2,500 r/min
 1 - 8 STEP
Under the high load operation
 Increased
74
 Stop lamp switch
 Ignition switch: ON
 Brake pedal: Depressed
 ON
Brake pedal: Released
 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
 Engine: Stopped
 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
87
 Neutral switch
 Ignition switch: ON
 Selector lever: N
 ON
Selector lever: Other than N
 OFF
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
98
 Oil feeder control valve
 Engine: After warm-up
 Engine is idling
 OFF
5,000 r/min
 ON
AA
 Air flow sensor*1
 Set the vehicle to the pre-inspection condition
 Idle operation
 2.0 - 6.0 g/s
2,500 r/min
 6.0 - 14.0 g/s
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
 Right bank oxygen sensor (front)
Engine: After warm-up (leaner by deceleration, richer acceleration)
 Excessive deceleration from 4,000 r/min
 0.2 V or less → 0.6 to 1.0 V (after few seconds)
At excessive acceleration
 0.6 - 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
 Right bank oxygen sensor (rear)
  • 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
AE
 Left bank oxygen sensor (front)
 Engine: After warm-up (leaner by deceleration, richer acceleration)
 Excessive deceleration from 4,000 r/min
 0.2 V or less → 0.6 to 1.0 V (after few seconds)
At excessive acceleration
 0.6 - 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
AF
 Left bank oxygen sensor (rear)
  • 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 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
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
 95 - 100 %
102
 Starter relay
 Ignition switch: ON
 OFF
Engine: Cranking
 ON
113
 Spark advance (left bank)
  • Engine: after warm up
  • Timing light is set (to check actual ignition timing)
  • Transmission: P range

 Engine: Idle operation
 2 - 18 °CA (BTDC)
2,500 r/min
 31 - 43 °CA (BTDC)
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) 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 (right bank)
  • Indicates the right bank long-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)
 -12.5 to 12.5 %
27
 Long term fuel trim (left bank)
  • Indicates the left bank long-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)
 -12.5 to 12.5 %
28
 Short term fuel trim (right bank)
  • Indicates the right bank 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)
 -25.0 to 25.0 %
29
 Short term fuel trim (left bank)
  • Indicates the left bank 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)
 -25.0 to 25.0 %
32
 Detonation retard (right bank)
  • 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 (right bank)
  • 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 %
47
 Fan motor duty
  • Indicates the fan duty ratio electric cooling fan.
  • Engine: After warm-up
  • A/C switch: ON (when the compressor is active)

 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)
 1 % or more
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 value.

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

 Engine: After warm-up
 0 - 100 %
BA
 Exhaust gas recirculation servo (target)
  • Indicates the target opening angle of exhaust gas recirculation servo.

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

      • OL: Open loop
      CL: Closed loop
      OL: DRV: Open loop depending on the drive conditions
      OL: SYS: Open loop due to system anomaly.
      CL: HO2S: Closed loop only for the right bank oxygen sensor (front) (right bank oxygen sensor (rear) anomaly)

 Engine: After warm-up
 Varies depending on the drive conditions
106
 Fuel system status (left bank)
  • Indicates the left bank air-fuel ratio feedback control conditions.

      • OL: Open loop
      CL: Closed loop
      OL: DRV: Open loop depending on the drive conditions
      OL: SYS: Open loop due to system anomaly.
      CL: HO2S: Closed loop only for the left bank oxygen sensor (front) (left bank oxygen sensor (rear) anomaly)

 Engine: After warm-up
 Varies depending on the drive conditions
114
 Detonation retard (left bank)
  • 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
115
 Detonation control learned value (left bank)
  • 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 %