Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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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. Pinout Values and Diagnostic Parameters
^ 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 1-6:




Step 7-11:




Step 12-15: