Problem Symptoms Table [09/2015 - ]
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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
CRUISE CONTROL SYSTEM
| Symptom | Suspected Area | See page |
|---|---|---|
| The cruise control main switch cannot be turned on. | Cruise control switch circuit | Refer to Cruise Control Switch Circuit [09/2015 - ] |
| Cruise main indicator light circuit | Refer to Cruise Main Indicator Light Circuit [09/2015 - ] | |
| Inspect VSC OFF switch | - | |
| No. 1 meter ECU sub-assembly | Refer to REMOVAL [09/2015 - ] | |
| Meter display panel | Refer to DISASSEMBLY [09/2015 - ] | |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| Vehicle speed cannot be set (the cruise main indicator light on the combination meter illuminates when the main switch is turned on, but turns off when SET function is operating). | Cruise control switch circuit | Refer to Cruise Control Switch Circuit [09/2015 - ] |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| Vehicle speed cannot be set (the cruise main indicator light on the combination meter illuminates when the main switch is turned on, and remains illuminated when SET function is operating). | Cruise control switch circuit | Refer to Cruise Control Switch Circuit [09/2015 - ] |
| Stop light switch circuit | Refer to DTC P0571: Stop Light Switch Circuit Malfunction [09/2015 - ] | |
| Electronically controlled brake system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] | |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] | |
| No. 1 meter ECU sub-assembly | Refer to REMOVAL [09/2015 - ] | |
| Meter display panel | Refer to DISASSEMBLY [09/2015 - ] | |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| The cruise control is canceled while it is operating. | Cruise control switch circuit | Refer to Cruise Control Switch Circuit [09/2015 - ] |
| Stop light switch circuit | Refer to DTC P0571: Stop Light Switch Circuit Malfunction [09/2015 - ] | |
| Electronically controlled brake system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] | |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] | |
| Transmission control switch circuit (for AA80F) | Refer to Transmission Control Switch Circuit [09/2015 - ] | |
| Transmission control switch circuit (for AA80E) | Refer to Transmission Control Switch Circuit [09/2015 - ] | |
| Inspect VSC OFF switch | - | |
| Skid control ECU | Refer to REMOVAL [09/2015 - ] | |
| Park/neutral position switch (for AA80F) | Refer to INSPECTION [09/2015 - ] | |
| Park/neutral position switch (for AA80E) | Refer to INSPECTION [09/2015 - ] | |
| No. 1 meter ECU sub-assembly | Refer to REMOVAL [09/2015 - ] | |
| Meter display panel | Refer to DISASSEMBLY [09/2015 - ] | |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| Pulling back on the control main switch does not cancel the cruise control. | Cruise control switch circuit | Refer to Cruise Control Switch Circuit [09/2015 - ] |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| The cruise control is not canceled when vehicle speed drops below the low speed limit. | Electronically controlled brake system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] |
| Skid control ECU | Refer to REMOVAL [09/2015 - ] | |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| Depressing the brake pedal does not cancel the cruise control. | Stop light switch circuit | Refer to DTC P0571: Stop Light Switch Circuit Malfunction [09/2015 - ] |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| Moving the shift lever does not cancel the cruise control. (The cruise main indicator light remains on.) | SFI system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] |
| Park/neutral position switch (for AA80E) | Refer to INSPECTION [09/2015 - ] | |
| Park/neutral position switch (for AA80F) | Refer to INSPECTION [09/2015 - ] | |
| Transmission floor shift assembly (for AA80E) | Refer to INSPECTION [09/2015 - ] | |
| Transmission floor shift assembly (for AA80E) | Refer to INSPECTION [09/2015 - ] | |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| Operating the transmission shift switch does not cancel the cruise control. (w/ Shift Paddle Switch) | SFI system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] |
| Shift paddle switch circuit (for AA80E) | Refer to Shift Paddle Switch Circuit [09/2015 - ] | |
| Shift paddle switch circuit (for AA80F) | Refer to Shift Paddle Switch Circuit [09/2015 - ] | |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| Hunting (Speed is not constant.) | SFI system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] |
| Electronically controlled brake system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] | |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| Cruise set indicator light does not illuminate | Cruise SET indicator light circuit | Refer to Cruise SET Indicator Light Circuit [09/2015 - ] |
| Cruise control switch circuit | Refer to Cruise Control Switch Circuit [09/2015 - ] | |
| No. 1 meter ECU sub-assembly | Refer to REMOVAL [09/2015 - ] | |
| Meter display panel | Refer to DISASSEMBLY [09/2015 - ] | |
| ECM | Refer to REMOVAL [09/2015 - ] | |
| Cruise control cannot be canceled | Inspect VSC OFF switch | - |
| Both VSC and TRC are turned off | - |