Note
Before replacing the ECM, refer to Service Bulletin.
Tech Tips
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| The cruise control system cannot be turned on using the cruise control main switch (The cruise control indicator does not illuminate) | CAN communication system | |
| Cruise main indicator light circuit | ||
| Steering pad switch circuit | ||
| Combination meter assembly | ||
| ECM | ||
| The cruise SET indicator does not illuminate (Vehicle speed can be set) | CAN communication system | |
| Cruise SET indicator light circuit | ||
| Combination meter assembly | ||
| ECM | ||
| Vehicle speed cannot be set (The cruise control indicator illuminates when the cruise control system is turned on using the cruise control main switch, but the cruise control indicator turns off when the -SET switch is pushed) | Steering pad switch circuit | |
| ECM | ||
| Vehicle speed cannot be set (The cruise control indicator illuminates when the cruise control system is turned on using the cruise control main switch, and it remains illuminated when the -SET switch is pushed) | Check fail-safe chart | |
| CAN communication system | ||
| Steering pad switch circuit | ||
| Stop light switch circuit | ||
| Automatic transaxle system | ||
| Vehicle stability control system | ||
| Combination meter assembly | ||
| ECM | ||
| Vehicle speed control by the cruise control system is automatically canceled after it has started | Check fail-safe chart | |
| CAN communication system | ||
| Steering pad switch circuit | ||
| Stop light switch circuit | ||
| Automatic transaxle system | ||
| Vehicle stability control system | ||
| ECM | ||
| Hunting (Speed is not constant) | Automatic transaxle system | |
| SFI system | ||
| ECM | ||
| Vehicle speed control by the cruise control system is not canceled when the CANCEL switch is pushed | Steering pad switch circuit | |
| ECM | ||
| Vehicle speed control by the cruise control system is not canceled when vehicle speed drops below the low speed limit | Vehicle stability control system | |
| ECM | ||
| Moving the shift lever does not cancel vehicle speed control by the cruise control system | Park/Neutral position switch assembly | |
| Shift lock control unit assembly | ||
| ECM | ||
| Depressing the brake pedal does not cancel vehicle speed control by the cruise control system | Stop light switch circuit | |
| ECM |