Cluster Illumination

Test 1 - 5:

Test 6 - 11:

Test 12 - 17:

Test 18 - 25:

Test 26 - 30:

Test 31:

SYMPTOM
CLUSTER ILLUMINATION

TEST NOTE
This symptom is diagnosed using the test HVAC CONTROL ILLUMINATION.

POSSIBLE CAUSES
- DRB displays ram fault
- DRB shows bus failure
- MIC cluster mismatch
- Cluster panel lamp driver circuit short GND
- Open panel lamp driver circuit
- Panel lamp PWM failure code return
- Park lamp switch output circuit open
- ASH tray lamp defective
- PRNDL lamps driver circuit defective
- Radio panel lamp driver circuit
- BCM panel lamps dimmer output circuit defective
- BCM panel lamps driver output CKT defect
- HVAC control defective
- Instrument cluster circuit board defective
- Dimmer switch signal circuit open defect
- Dimmer switch signal circuit short
- Left multi-function switch defective
- BCM dimmer switch output circuit defective
- Defective BCM
- ASH tray lamp driver circuit defective
- BCM park lamp switch output CKT defective
- Cluster illumation lamps/ printed CKT board
- Defective multi-function switch
- Instrument cluster/lamps defective
- Park lamps not lighting
- PRNDL lamps circuit short to ground
- Radio defective