|
|
DIAGNOSTIC PROCEDURE Perform diagnostic test mode II (self- OK E NG Check throttle (accelerator) CHECK INPUT SIGNAL. 1. Turn ignition switch to “ON” posi- tion. 2. Select “ECU INPUT SIGNALS” in Data Monitor. 3. Read out the value of “THRTL POS SEN”. Fully-closed throttle: Approximately 0.5V Fully-open throttle: Approximately 4V ----------------------------------------------------------------------------------------------------------------------- OR ----------------------------------------------------------------------------------------------------------------------- 1. Turn ignition switch to “ON” posi- tion. (Do not start engine.) 2. Check voltage between TCM ter- minals q 32 and q 42 while accelerator pedal is depressed slowly. Fully-closed throttle valve: Approximately 0.4V Fully-open throttle valve: Approximately 4V (Voltage rises gradually in OK E NG Check harness for short or CHECK THROTTLE (ACCELERATOR) OK E NG Repair or replace dam- Perform “SELF-DIAGNOSIS CODE CON- OK E NG 1. Perform TCM input/ output signal inspection. 2. If NG, recheck TCM pin terminals for damage or INSPECTION END YAT299 H H H H TROUBLE DIAGNOSIS FOR THROTTLE POSI SEN Throttle (Accelerator) Position Sensor (Cont’d) AT-61 |