Problem Symptoms Table
WARNING: This page is about a different variant/trim than selected.
CRUISE CONTROL SYSTEM
PROBLEM SYMPTOMS CHART
| Symptom | Suspected area | See |
|---|---|---|
| Main switch cannot be turned ON. (CRUISE main indicator light on combination meter does not illuminate.) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. CRUISE main indicator light circuit | CRUISE MAIN INDICATOR LIGHT CIRCUIT | |
| 3. Hybrid vehicle control ECU | TERMINALS OF ECU | |
| Vehicle speed setting cannot be done. (CRUISE main indicator light on combination meter illuminates when main switch is turned ON, but turns off when operating SET function.) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. Hybrid vehicle control ECU | TERMINALS OF ECU | |
| Vehicle speed setting cannot be done. (CRUISE main indicator light on combination meter illuminates when main switch is turned ON, and remains illuminated when operating SET function.) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. Stop light switch circuit | DTC P0571 BRAKE SWITCH "A" CIRCUIT | |
| 3. Park/neutral position switch circuit (DTC P0705) | DTC P0617-142 STARTER RELAY CIRCUIT HIGH | |
| 4. Combination meter system | HOW TO PROCEED WITH TROUBLESHOOTING | |
| 5. Hybrid vehicle control ECU | TERMINALS OF ECU | |
| While the vehicle is driving with cruise control, the set control is canceled. (CRUISE main indicator light remains illuminated.) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. Vehicle speed sensor circuit | FAIL-SAFE CHART | |
| 3. Stop light switch circuit | DTC P0571 BRAKE SWITCH "A" CIRCUIT | |
| 4. CRUISE main indicator light circuit | CRUISE MAIN INDICATOR LIGHT CIRCUIT | |
| 5. Park/neutral position switch circuit (DTC P0705) | DTC P0617-142 STARTER RELAY CIRCUIT HIGH | |
| 6. Hybrid vehicle control ECU | TERMINALS OF ECU | |
| Hunting (Speed is not constant.) | 1. Vehicle speed sensor circuit | FAIL-SAFE CHART |
| 2. Hybrid vehicle control ECU | TERMINALS OF ECU | |
| Vehicle speed setting cannot be canceled. (When Coast, Acceleration, Resume, Set speed change and Control switch are operated.) | 1. Cruise control switch circuit | CRUISE CONTROL SWITCH CIRCUIT |
| 2. Hybrid vehicle control ECU | TERMINALS OF ECU | |
| DTC is not output, or is output when it should not be. | 1. Diagnosis circuit | TC AND CG TERMINAL CIRCUIT |
| 2. Hybrid vehicle control ECU | TERMINALS OF ECU | |
| CRUISE MAIN indicator light 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. Hybrid vehicle control ECU | TERMINALS OF ECU | |
| 4.Combination meter | HOW TO PROCEED WITH TROUBLESHOOTING |