Diesel Data: Automotive Repair

Center Cluster Integration

HEATER CONTROL ASSEMBLY (Center Cluster Integration)

INSPECTION




1. INSPECT A/C INDICATOR OPERATION
Connect the positive (+) lead from the battery to terminal 3 and negative (-) lead to terminal 1, then check that the NC indicator lights up while A/C switch is pressed.
If operation is not as specified, replace the center cluster switch.




2. INSPECT A/C SWITCH CONTINUITY
Check the continuity exists between terminals 2 and 3 while switch is pressed.
If no continuity exists, replace the center cluster switch.







3. INSPECT BLOWER SWITCH CONTINUITY

Switch continuity:
If continuity is not as specified, replace the center cluster switch.
Illumination circuit:
If continuity is not as specified, replace the bulb.