TEST RESULTS
1
CLIMATE CONTROL SYSTEM CONTROL BULB HOLDER VOLTAGE CHECK
EVERYTHING OK
PROBLEMS ENCOUNTERED
OPERATION
Connect a multimeter and switch the engine on, then check that voltage at the ends of the climate control system control bulb holder is correct
End of diagnosis
Voltage at the ends of the climate control system control bulb holder is not correct
Go to Step 2
2
CLIMATE CONTROL SYSTEM CONTROL UNIT WIRING CHECK
Check that the climate control system control unit wiring continuity is correct
Go to Step 3
Faults in the continuity of the climate control system control unit wiring
Restore the correct continuity of the climate control system control unit wiring
3
CLIMATE CONTROL SYSTEM CONTROL UNIT OPERATION CHECK
Check that the climate control system control unit is operating correctly
Climate control system control unit not operating correctly
Replace the climate control unit
Op. 5040D10 AIR CONDITIONER CONTROLS SUPPORT - R+R OR REPLACE