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IGNITION SWITCH TSB Revision CHASSIS ELECTRICAL 54A-21 Inspection Procedure 3: Engine does not start (Cranking but no initial combustion). TECHNICAL DESCRIPTION (COMMENT) TROUBLESHOOTING HINTS • Malfunction of MFI system • Malfunction of immobilizer-ECU DIAGNOSIS Required Special Tools: • MB991223: Harness Set • MB991502: Scan Tool STEP 1. Check the battery positive voltage. Q: Is the voltage 8 volts or more? YES : Go to Step 2. . The engine should start. STEP 2. Check the immobilizer system DTC and MFI Q: Which DTC resets, the immobilizer system DTC or the MFI system DTC? MFI system DTC : Refer to GROUP 13A, Diagnosis No DTC : Go to Step 3. STEP 3. Check the starting system. Q: Does the engine start? YES : Go to Step 4. − Symptom Chart or GROUP 13B, Diagnosis − Symptom Chart . If a malfunction is not resolved, replace the immobilizer-ECU. Then register the .) The engine should start. STEP 4. Recheck for malfunction Q: Is a malfunction eliminated? YES : This diagnosis is complete. (If no malfunction are not found in all steps, an intermittent malfunction is .) NO : Replace the immobilizer-ECU. |