DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III diagnosis code |
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Q.
Is diagnosis code stored?
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Go to Step 2. |
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ). |
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STEP 2. M.U.T.-III diagnosis code |
Q.
Is diagnosis code of P0657 stored?
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Check throttle valve control servo power system. Check code No. P0657: throttle valve control servo relay circuit malfunction (Refer to ). |
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Replace the engine-ECU. |
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