CHECK AT ECU TERMINAL




Terminal No.
 Check item
 Check conditions
 Normal condition
15
 Throttle valve control servo relay
 Ignition switch: "ON"
 System voltage
Running at 3,500 r/min while engine is warming up after having been started.
 1 V or less
39
 Stop lamp switch
 Ignition switch: "ON"
 Depress the brake pedal.
 System voltage
Release the brake pedal.
 1 V or less
51
 Inhibitor switch: "P" and "N"
 Ignition switch: "ON"
 Select lever: N or P range
 System voltage
Select lever: Other than N or P range
 1 V or less
54
 Brake switch
 Ignition switch: "ON"
 Depress the brake pedal.
 System voltage
Release the brake pedal.
 1 V or less
57
 Engine control relay
 Ignition switch: "ON"
 1 V or less
Ignition switch: "LOCK" (OFF)
 System voltage
58
 Engine-A/T-ECU backup power supply
 Ignition switch: "LOCK" (OFF)
 System voltage
92
 Accelerator pedal position sensor (main) power supply
 Ignition switch: "ON"
 4.5 - 5.5 V
94
 Auto-cruise control switch power supply
 Ignition switch: "ON"
 All switches: OFF
 4.7 - 5.0 V
"CRUISE" (MAIN) switch: "ON"
 0 - 0.3 V
"COAST/SET" switch: ON
 2.0 - 2.8 V
"ACC/RES" switch: ON
 3.3 - 4.1 V
"CANCEL" switch: ON
 0.8 - 1.5 V
97
 Sensor impressed voltage
 Ignition switch: "ON"
 4.9 - 5.1 V
106
 Throttle position sensor power supply
 Ignition switch: "ON"
 4.5 - 5.5 V
107
 Accelerator pedal position sensor (sub)
 Ignition switch: "ON"
 Release the accelerator pedal
 0.335 - 0.935 V
Depress the accelerator pedal.
 4.0 V or more
113
 Throttle position sensor (sub)
  • Remove the intake air hose at the throttle body
  • Disconnect the throttle position sensor, and then connect terminal numbers No. 3, No. 4, No. 5 and No. 6 with the use of the special tool (MB991658).
  • Ignition switch: "ON"

 Fully close the throttle valve with your finger
 2.2 - 2.8 V
Fully open the throttle valve with your finger
 4.6 V or more
114
 Accelerator pedal position sensor (main)
 Ignition switch: "ON"
 Release the accelerator pedal
 0.335 - 0.935 V
Depress the accelerator pedal.
 4.0 V or more
115
 Throttle position sensor (main)
  • Remove the intake air hose at the throttle body
  • Disconnect the throttle position sensor, and then connect terminal numbers No. 3, No. 4, No. 5 and No. 6 with the use of the special tool (MB991658).
  • Ignition switch: "ON"

 Fully close the throttle valve with your finger
 0.3 - 0.7 V
Fully open the throttle valve with your finger
 4.0 V or more
132
 Engine-A/T-ECU power supply voltage applied to throttle valve control servo
 Ignition switch: "ON"
 System voltage