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Malfunction Indicator Lamp Remains on After Engine Starts

Malfunction Indicator Lamp Remains ON after Engine Starts

Wiring Diagram and Circuit Description

Wiring Diagram:






Troubleshooting

NOTE:
- Before performed troubleshooting, be sure to read the Precautions of ECM Circuit Inspection.
- When measuring circuit voltage, resistance and/or pulse signal at ECM connector, connect the special tool to ECM and/or the ECM connectors referring to Inspection of ECM and Its Circuits.

Step 1-2: