Operation CHARM: Car repair manuals for everyone.

Without Scan Tool

Diagnostic Chart for Self-Diagnosis

OPERATION






NOTE: For A/C system self-diagnosis, there is one that checks the control panel, and the other that checks the whole control system (sensor, actuator, blower motor, etc.). Perform the self-diagnosis for control panel first, and then perform the self-diagnosis for control system.

Step 1 - 4:




1. A/C CONTROL PANEL SELF-DIAGNOSIS

Switch Check Table:




2. SWITCH CHECK TABLE

Step 1 - 3:




3. A/C CONTROL SYSTEM SELF-DIAGNOSIS

Sensor Check Table:




4. SENSOR CHECK TABLE

Operating Mode Table:




5. OPERATING MODE TABLE