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A/C System Circuits Check

A/C System Circuits Check

Wiring Diagram

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.
^ When A/C evaporator outlet air temp. is below 2 °C (35.6 °F), A/C remains OFF ("E01-49" terminal voltage becomes 10 - 14 V). This condition is not abnormal.

Step 1-5:




Step 6-11:




Step 12-15:




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