Problem Symptoms Table [10/2015 - ]
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.
| Symptom | Suspected Area | Link |
|---|---|---|
| The cruise control system cannot be turned on using the cruise control main switch (ON/OFF) | Cruise control switch circuit | Refer to Cruise Control Switch Circuit [10/2015 - ] |
| Cruise control indicator light circuit | Refer to Cruise Main Indicator Light Circuit [10/2015 - ] | |
| ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Vehicle speed cannot be set (the cruise control indicator illuminates when the cruise control system is turned on using the cruise control main switch (ON/OFF), but the cruise control indicator goes out when the cruise control main switch is pushed to -/SET) | Cruise control switch circuit | Refer to Cruise Control Switch Circuit [10/2015 - ] |
| ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Vehicle speed cannot be set (the cruise control indicator illuminates when the cruise control system is turned on using the cruise control main switch (ON/OFF), and it remains illuminated when the cruise control main switch is pushed to -SET) | Stop light switch circuit | Refer to DTC P0571-62: Brake Switch "A" Signal Compare Failure [10/2015 - ] |
| Vehicle speed sensor circuit | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| Cruise control switch circuit | Refer to Cruise Control Switch Circuit [10/2015 - ] | |
| Automatic transmission system (for A760H) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| for 8AR-FTS: Automatic transmission system (for AA81E) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| for 2GR-FKS: Automatic transmission system (for AA81E) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| Combination meter assembly | Refer to REMOVAL [09/2014 - ] | |
| ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Vehicle speed control by the cruise control system is automatically canceled after it has started | Stop light switch circuit | Refer to DTC P0571-62: Brake Switch "A" Signal Compare Failure [10/2015 - ] |
| Automatic transmission system (for A760H) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| for 8AR-FTS: Automatic transmission system (for AA81E) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| for 2GR-FKS: Automatic transmission system (for AA81E) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| Cruise control switch circuit | Refer to Cruise Control Switch Circuit [10/2015 - ] | |
| Vehicle speed sensor circuit | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| Combination meter assembly | Refer to REMOVAL [09/2014 - ] | |
| ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Pulling back on the cruise control main switch does not cancel vehicle speed control by the cruise control system (the cruise control SET indicator remains illuminated) | Cruise control switch circuit | Refer to Cruise Control Switch Circuit [10/2015 - ] |
| Combination meter assembly | Refer to REMOVAL [09/2014 - ] | |
| ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Pulling back on the cruise control main switch does not cancel vehicle speed control by the cruise control system (the cruise control SET indicator goes out) | ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Vehicle speed control by the cruise control system is not canceled when vehicle speed drops below the low speed limit (the cruise control SET indicator remains illuminated) | Vehicle speed sensor circuit | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] |
| ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Depressing the brake pedal does not cancel vehicle speed control by the cruise control system (the cruise control SET indicator goes out) | ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Moving the shift lever does not cancel vehicle speed control by the cruise control system (the cruise control SET indicator remains illuminated) | Transmission control switch circuit (for A760H) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] |
| for 8AR-FTS: Transmission control switch circuit (for AA81E) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| for 2GR-FKS: Transmission control switch circuit (for AA81E) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] | |
| Combination meter assembly | Refer to REMOVAL [09/2014 - ] | |
| ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Moving the shift lever does not cancel vehicle speed control by the cruise control system (the cruise control SET indicator goes out) | ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Hunting (speed is not constant) | Vehicle speed sensor circuit | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] |
| SFI system (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| SFI system (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| The cruise control SET indicator does not illuminate (vehicle speed can be set) | Cruise SET indicator light circuit | Refer to Cruise SET Indicator Light Circuit [10/2015 - ] |
| Combination meter assembly | Refer to REMOVAL [09/2014 - ] | |
| ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] | |
| Depressing the brake pedal does not cancel vehicle speed control by the cruise control system | Stop light switch circuit | Refer to DTC P0571-62: Brake Switch "A" Signal Compare Failure [10/2015 - ] |
| ECM (for 8AR-FTS) | Refer to REMOVAL [10/2015 - ] | |
| ECM (for 2GR-FKS) | Refer to REMOVAL [10/2015 - ] |