Operation CHARM: Car repair manuals for everyone.

Control Assembly: Testing and Inspection


Inspection

1. Remove the switch panel.





2. Measure the voltage at each terminal of the heater control unit connectors and fan switch connector.
3. If the measurement voltage is incorrect, check the related components and wiring harnesses. If the related components and wiring harness are OK, replace the heater control unit.

Chart 1 Of 2:




Chart 2 Of 2:





Terminal Voltage List