Response From Instrument Cluster - Dodge ZB 2005 Service Manual

COMMUNICATION
Symptom:
*NO RESPONSE FROM INSTRUMENT CLUSTER
ATTEMPT TO COMMUNICATE WITH THE BCM
OPEN GROUND CIRCUIT
OPEN IOD B+ CIRCUIT
OPEN PCI BUS CIRCUIT
INSTRUMENT CLUSTER WAKE UP SENSE CKT OPEN
INSTRUMENT CLUSTER WAKE UP SENSE CKT INTERNALLY OPEN
INSTRUMENT CLUSTER WAKE UP SENSE CKT SHORTED TO VOLTAGE
INSTRUMENT CLUSTER WAKE UP SENSE CKT INTERNALLY SHORTED TO VOLTAGE
INSTRUMENT CLUSTER
BODY CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRB, enter Body then Body Computer.
Was the DRB able to I/D or communicate with the BCM?
Yes → Go To 2
→ Refer to the symptom list for problems related to no communica-
No
2 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Using a 12-volt test light connected to 12-volts, probe both ground circuits.
Is the test light illuminated for each circuit?
Yes → Go To 3
→ Repair the ground circuit for an open.
No
3 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Using a 12-volt test light connected to ground, probe the IOD B+ circuit.
Is the test light illuminated?
Yes → Go To 4
→ Repair the IOD B+ circuit for an open.
No
POSSIBLE CAUSES
ACTION
tion with the BCM.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
162
APPLICABILITY
All
All
All