Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Insect the fuses and relays related to this system before inspecting the suspected areas below.
Cruise control system
CRUISE CONTROL SYSTEM CHART
| Symptom | Suspected area | Refer To |
|---|---|---|
| ON-OFF button cannot be pushed on (CRUISE main indicator light on combination meter does not come on) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. Cruise main indicator light circuit | CRUISE MAIN INDICATOR LIGHT CIRCUIT | |
| 3. Combination meter | - | |
| 4. Hybrid vehicle control ECU | - | |
| Vehicle speed cannot be set (indicator light on combination meter comes on when ON-OFF button is pushed on, but it goes off when vehicle speed is set) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. Hybrid vehicle control ECU | - | |
| Setting cannot be done (indicator light on combination meter come on when ON-OFF button is pushed on, and it remains on while setting) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. Stop light switch circuit | DTC P0500 Vehicle Speed Sensor "A" | |
| 3. Shift position sensor circuit | INSPECTION PROCEDURE | |
| 4. Combination meter | - | |
| 5. Hybrid vehicle control ECU | - | |
| Cruise control is canceled while driving (CRUISE main indicator light remains on) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. Vehicle speed sensor circuit | DTC P0500 Vehicle Speed Sensor "A" | |
| 3. Stop light switch circuit | DTC P0500 Vehicle Speed Sensor "A" | |
| 4. Cruise main indicator light circuit | CRUISE MAIN INDICATOR LIGHT CIRCUIT | |
| 5. Hybrid vehicle control ECU | - | |
| Hunting occurs (speed is not constant) | 1. Vehicle speed sensor circuit | DTC P0500 Vehicle Speed Sensor "A" |
| 2. Hybrid vehicle control ECU | - | |
| Setting cannot be canceled (when functions such as COAST, ACCEL, RESUME, set speed change are operated with control switch) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. Hybrid vehicle control ECU | - |