Operation CHARM: Car repair manuals for everyone.

Control Unit Inspection

CLIMATE CONTROL UNIT INSPECTION

1. Install the PJB.
2. Turn the ignition switch to the ON position.
3. Connect the negative (-) lead of the tester to body ground.
4. By inserting the positive (+) lead of the tester into each climate control unit terminal, measure the voltage according to the terminal voltage table.
- If there is any malfunction, inspect the parts under "Inspection item (s)".
- If the parts under "Inspection item (s)" are found to be normal, replace the climate control unit.

Terminal Voltage Table (Reference) Part 1:




Terminal Voltage Table (Reference) Part 2:




Terminal Voltage Table (Reference) Part 3:







Terminal Voltage Table (Reference)