Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Problem Symptoms Table
The suspected circuits or parts for each problem symptom are shown in the table below . Use this table to troubleshoot when, during a DTC check, a "Normal" code is displayed but the problem is still occurring. Numbers in the table show the inspection order in which the circuits or parts should be checked.
HINT:
In some cases, the problem is not detected by the diagnostic system even though a problem symptom is present. It is possible that the problem is occurring outside the detection range of the diagnostic system, or that the problem is occurring in a completely different system. SeePROBLEM SYMPTOMS TABLE on in the Cruise Control System - Diagnosis as in an example.
| Symptom | Suspect Area |
|---|---|
| Main switch cannot be turned ON. (Indicator light on the combination meter does not come on.) |
|
| Speed setting cannot be done. (Indicator light on the combination meter comes on when the main switch is turned ON, but goes off when operating 'SET' function.) |
|
| Speed setting cannot be done. (Indicator light on the combination meter comes on when the main switch is turned ON and it remains ON, while operating 'SET' function.) |
|
| While cruise control driving, the set speed is canceled. (Indicator light remains ON.) |
|
| Hunting occurs. (Speed is not constant.) |
|
| Speed setting cannot be canceled. ('CANCEL' function failure ONLY) |
|
| DTC is not output, or is output when should not be. |
|
| CRUISE MAIN indicator light does not come on. |
|
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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