Problem Symptoms Table
HINT:
Be sure to perform the SYMPTOM SIMULATION procedure before replacing the ECM. If these symptoms do not persist, the cause of the problem may be a poor intermittent electrical contact (open or short) of a wire harness or connector.
CRUISE CONTROL SYSTEM
| Symptom | Suspected Area | Reference |
|---|---|---|
| Vehicle speed cannot be set. (The cruise main indicator light comes on.) | Cruise control switch circuit | Refer to Cruise Control Switch Circuit |
| Combination meter | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Vehicle speed sensor circuit | Refer to DTC P0500: Vehicle Speed Sensor Malfunction | |
| Stop light switch circuit | Refer to DTC P0571: Brake Switch "A" Circuit | |
| Park/Neutral position sensor circuit | Refer to Park/Neutral Position Switch Circuit | |
| ECM | Refer to REMOVAL | |
| Pushing the ON-OFF button does not turn the cruise control system on. (Vehicle speed cannot be set.) | Stop light switch circuit | Refer to DTC P0571: Brake Switch "A" Circuit |
| Vehicle speed sensor circuit | Refer to DTC P0500: Vehicle Speed Sensor Malfunction | |
| Cruise control switch circuit | Refer to Cruise Control Switch Circuit | |
| Park/Neutral position sensor circuit | Refer to Park/Neutral Position Switch Circuit | |
| Cruise main indicator light circuit | Refer to Cruise Main Indicator Light Circuit | |
| ECM | Refer to REMOVAL | |
| Pushing the ON-OFF button does not turn the cruise control system on. (Vehicle speed can be set.) | Cruise main indicator light circuit | Refer to Cruise Main Indicator Light Circuit |
| ECM | Refer to REMOVAL | |
| The cruise control is canceled while it is operating. | Stop light switch circuit | Refer to DTC P0571: Brake Switch "A" Circuit |
| Park/Neutral position sensor circuit | Refer to Park/Neutral Position Switch Circuit | |
| Cruise control switch circuit | Refer to Cruise Control Switch Circuit | |
| Vehicle speed sensor circuit | Refer to DTC P0500: Vehicle Speed Sensor Malfunction | |
| ECM | Refer to REMOVAL | |
| Pulling back on the control main switch does not cancel the cruise control. (The cruise main indicator light remains on.) | Cruise control switch circuit | Refer to Cruise Control Switch Circuit |
| ECM | Refer to REMOVAL | |
| Pulling back on the control main switch does not cancel the cruise control. (The cruise main indicator light goes off.) | ECM | Refer to REMOVAL |
| The cruise control is not canceled when vehicle speed drops below the low speed limit. (The cruise main indicator light remains on.) | Vehicle speed sensor circuit | Refer to DTC P0500: Vehicle Speed Sensor Malfunction |
| ECM | Refer to REMOVAL | |
| The cruise control is not canceled when vehicle speed drops below the low speed limit. (The cruise main indicator light goes off.) | ECM | Refer to REMOVAL |
| Depressing the brake pedal does not cancel the cruise control. (The cruise main indicator light remains on.) | Stop light switch circuit | Refer to DTC P0571: Brake Switch "A" Circuit |
| ECM | Refer to REMOVAL | |
| Depressing the brake pedal does not cancel the cruise control. (The cruise main indicator light goes off.) | ECM | Refer to REMOVAL |
| Moving the shift lever does not cancel the cruise control. | Park/Neutral position switch circuit | Refer to Park/Neutral Position Switch Circuit |
| ECM | Refer to REMOVAL | |
| Hunting (Speed is not constant.) | Vehicle speed sensor circuit | Refer to DTC P0500: Vehicle Speed Sensor Malfunction |
| ECM | Refer to REMOVAL | |
| The cruise main indicator light remains blinking. | TC and CG terminal circuit | Refer to TC and CG Terminal Circuit |
| ECM | Refer to REMOVAL | |
| The SET indicator light does not comes on. (SET function operate normally.) | SET indicator light circuit | Refer to Cruise SET Indicator Light Circuit |
| ECM | Refer to REMOVAL |