CHECK AT ENGINE-ECU TERMINAL <4M41>




Terminal No.
 Check item
 Check conditions
 Normal condition
34
 Stop lamp switch
 Ignition switch: "ON"
 Depress the brake pedal.
 System voltage
Release the brake pedal.
 1 V or less
43
 Auto-cruise control switch
 Ignition switch: "ON"
 All switches: OFF
 4.7 - 5.0 V
"ON/OFF" (MAIN) switch: ON
 0 - 0.5 V
"CANCEL" switch: ON
 1.0 - 1.8 V
"COAST/SET" switch: ON
 2.3 - 3.0 V
"ACC/RES" switch: ON
 3.5 - 4.2 V
80
 Throttle position sensor power supply
 Ignition switch: "ON"
 4.9 - 5.1 V
94
 Brake switch
 Ignition switch: "ON"
 Depress the brake pedal.
 System voltage
Release the brake pedal.
 1 V or less
95
 Clutch switch <M/T>
 Ignition switch: "ON"
 Depress the clutch pedal.
 1 V or less
Release the clutch pedal.
 System voltage
99, 100
 Engine-ECU power supply
 Ignition switch: "ON"
 System voltage
101
 Engine-ECU back-up power supply
 Ignition switch: "ON"
 System voltage
109
 Engine control relay
 Ignition switch: "LOCK" (OFF)
 System voltage
Ignition switch: "ON"
 1 V or less
111
 Throttle valve control servo (+)
  • Ignition switch: "ON"
  • Accelerator pedal: fully opened to fully closed.

 Decreases slightly (approx. 2 V) from system voltage.
112
 Accelerator pedal position sensor (sub) power supply
 Ignition switch: "ON"
 2.4 - 2.6 V
113
 Accelerator pedal position sensor (sub)
 Ignition switch: "ON"
 Release the accelerator pedal.
 0.2 - 0.8 V
Depress the accelerator pedal.
 2.0 V or more
119
 Vehicle speed sensor
  • Ignition switch: "ON"
  • Move the vehicle forward slowly

 0 <=> 8 - 12 V Changes repeatedly
120
 Accelerator pedal position sensor (main) power supply
 Ignition switch: "ON"
 4.9 - 5.1 V
121
 Accelerator pedal position sensor (main)
 Ignition switch: "ON"
 Release the accelerator pedal
 0.7 - 1.3 V
Depress the accelerator pedal.
 4.0 V or more
124
 Throttle position sensor
 Engine: Idling
 3.7 V or more
130
 Throttle valve control servo (+)
 Engine: Idling
 System voltage
Engine: Stopped from idling speed
 Voltage changed for few seconds