Problem Symptoms Table
WARNING: This page is about a different car, the 2010 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
- 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.
CRUISE CONTROL SYSTEM
| Symptom | Suspected Area | Reference |
|---|---|---|
| Cruise control switch cannot be turned on (Cruise main indicator in combination meter does not illuminate) | Cruise control switch circuit | Refer to Cruise Control Switch Circuit |
| Cruise main indicator light circuit | Refer to Cruise Main Indicator Light Circuit | |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| SET not occurring or CANCEL occurring (DTC is not output) | Cruise control switch circuit | Refer to Cruise Control Switch Circuit |
| Combination meter assembly | Refer to REMOVAL | |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| Actual vehicle speed deviates above or below set speed | Master cylinder solenoid (Skid control ECU) | Refer to DISASSEMBLY - Step 10 |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| Cruise control not canceled when brake pedal is depressed | Stop light switch circuit | Refer to DTC P0571: Stop Light Switch Circuit Malfunction |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| Cruise control not canceled when shift lever is moved to N | Park/neutral position switch assembly | Refer to INSPECTION |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| Control switch does not operate (-SET, +RES, CANCEL not possible) | Cruise control switch circuit | Refer to Cruise Control Switch Circuit |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| SET possible at 40 km/h (25 mph) or less, or CANCEL does not operate | Master cylinder solenoid (Skid control ECU) | Refer to DISASSEMBLY - Step 10 |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| Poor response in ACCEL and RESUME modes | Cruise control switch circuit | Refer to Cruise Control Switch Circuit |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| DTC memory is cleared | ECM (for 1GR-FE) | Refer to REMOVAL |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| DTC is not output or is output when it should not be | TC and CG terminal circuit | Refer to TC and CG Terminal Circuit |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| Cruise main indicator light does not illuminate | Cruise control switch circuit | Refer to Cruise Control Switch Circuit |
| Cruise main indicator circuit | Refer to Cruise Main Indicator Light Circuit | |
| Combination meter assembly | Refer to REMOVAL | |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL | |
| SET indicator does not come on (SET function operates normally) | Cruise SET indicator light circuit | Refer to Cruise SET Indicator Light Circuit |
| ECM (for 1GR-FE) | Refer to REMOVAL | |
| ECM (for 2TR-FE) | Refer to REMOVAL |