Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of the problem symptom. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Repair or replace faulty parts or perform adjustments as necessary.
- Inspect the fuse and relay related to this system before inspecting the suspected areas below.
CRUISE CONTROL SYSTEM:
| Symptom | Suspected Area | See |
|---|---|---|
| Vehicle speed cannot be set. (The CRUISE main indicator light comes on.) | Cruise control switch circuit | Refer toCruise Control Switch Circuit |
| Combination meter | Refer toHOW TO PROCEED WITH TROUBLESHOOTING | |
| Vehicle speed sensor circuit | Refer toDTC P0500: Vehicle Speed Sensor Malfunction; DTC P0503: Vehicle Speed Sensor Circuit Malfunction | |
| Stop light switch circuit | Refer toDTC P0571: Brake Switch "A" Circuit | |
| Transmission range sensor circuit (U151E) | Refer toDTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) | |
| Transmission range sensor circuit (U151F) | Refer toDTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) | |
| If the symptoms still occur after the above areas have been inspected and have proven to be normal, replace the ECM. | Refer toREMOVAL | |
| Pushing the ON-OFF button does not turn the cruise control system on. (Vehicle speed cannot be set.) | Stop light switch circuit | Refer toDTC P0571: Brake Switch "A" Circuit |
| Vehicle speed sensor circuit | Refer toDTC P0500: Vehicle Speed Sensor Malfunction; DTC P0503: Vehicle Speed Sensor Circuit Malfunction | |
| Cruise control switch circuit | Refer toCruise Control Switch Circuit | |
| Transmission range sensor circuit (U151E) | Refer toDTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) | |
| Transmission range sensor circuit (U151F) | Refer toDTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) | |
| Combination meter | Refer toHOW TO PROCEED WITH TROUBLESHOOTING | |
| If the symptoms still occur after the above areas have been inspected and have proven to be normal, replace the ECM. | Refer toREMOVAL | |
| Pushing the ON-OFF button does not turn the cruise control system on. (Vehicle speed can be set.) | Cruise main indicator light circuit | Refer toCruise Main Indicator Light Circuit |
| If the symptoms still occur after the above area has been inspected and has proven to be normal, replace the ECM. | Refer toREMOVAL | |
| The cruise control is canceled while it is operating. | Stop light switch circuit | Refer toDTC P0571: Brake Switch "A" Circuit |
| Transmission range sensor circuit (U151E) | Refer toDTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) | |
| Transmission range sensor circuit (U151F) | Refer toDTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) | |
| Cruise control switch circuit | Refer toCruise Control Switch Circuit | |
| Vehicle speed sensor circuit | Refer toDTC P0500: Vehicle Speed Sensor Malfunction; DTC P0503: Vehicle Speed Sensor Circuit Malfunction | |
| If the symptoms still occur after the above areas have been inspected and have proven to be normal, replace the ECM. | Refer toREMOVAL | |
| Pulling back on the cruise control main switch does not cancel the cruise control. (The CRUISE main indicator light remains on.) | Cruise control switch circuit | Refer toCruise Control Switch Circuit |
| If the symptoms still occur after the above area has been inspected and has proven to be normal, replace the ECM. | Refer toREMOVAL | |
| Pulling back on the cruise control main switch does not cancel the cruise control. (The CRUISE main indicator light goes off.) | Replace the ECM. | Refer toREMOVAL |
| 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 toDTC P0500: Vehicle Speed Sensor Malfunction; DTC P0503: Vehicle Speed Sensor Circuit Malfunction |
| If the symptoms still occur after the above area has been inspected and has proven to be normal, replace the ECM. | Refer toREMOVAL | |
| The cruise control is not canceled when vehicle speed drops below the low speed limit. (The CRUISE main indicator light goes off.) | Replace the ECM. | Refer toREMOVAL |
| Depressing the brake pedal does not cancel the cruise control. (The CRUISE main indicator light remains on.) | Stop light switch circuit | Refer toDTC P0571: Brake Switch "A" Circuit |
| If the symptoms still occur after the above area has been inspected and has proven to be normal, replace the ECM. | Refer toREMOVAL | |
| Depressing the brake pedal does not cancel the cruise control. (The CRUISE main indicator light goes off.) | Replace the ECM. | Refer toREMOVAL |
| Moving the shift lever does not cancel the cruise control. | Transmission range sensor circuit (U151E) | Refer toDTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) |
| Transmission range sensor circuit (U151F) | Refer toDTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) | |
| If the symptoms still occur after the above area has been inspected and has proven to be normal, replace the ECM. | Refer toREMOVAL | |
| Hunting (Speed is not constant.) | Vehicle speed sensor circuit | Refer toDTC P0500: Vehicle Speed Sensor Malfunction; DTC P0503: Vehicle Speed Sensor Circuit Malfunction |
| If the symptoms still occur after the above area has been inspected and has proven to be normal, replace the ECM. | Refer toREMOVAL | |
| The CRUISE main indicator light remains blinking. | TC and CG terminal circuit | Refer toTC and CG Terminal Circuit |
| If the symptoms still occur after the above area has been inspected and has proven to be normal, replace the ECM. | Refer toREMOVAL |