Without Scan Tool
Diagnostic Chart for Self-DiagnosisOPERATION
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