Chrysler 300M 2002 Service Manual page 2076

Symptom:
*ALL GAUGES NOT OPERATING
CHECKING BCM COMMUNICATION
CHECKING I/P FUSES
CHECKING INSTRUMENT CLUSTER COMMUNICATION
FUSED B+ CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
GROUND CIRCUIT OPEN
INSTRUMENT CLUSTER
TEST
1 Turn the ignition off.
Remove and inspect fuse 7 and 14 from the Junction Block.
Is either fuse open?
Yes → Refer to the Service Information (wiring diagrams) for the symp-
→ Go To 2
No
2 Turn the ignition on.
With the DRB, select Body then Body Computer.
Is the DRB able to I/D or communicate with the BCM?
Yes → Go To 3
→ Refer to the Coummunication category for the related symp-
No
3 Turn the ignition on.
With the DRB, select Body then Electro/Mech Cluster (MIC).
Is the DRB able to I/D or communicate with the Instrument Cluster?
Yes → Go To 4
→ Refer to the Coummunication category for the related symp-
No
4 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Does the test light illuminate brightly?
Yes → Go To 5
→ Repair the Ground circuit for an open.
No
POSSIBLE CAUSES
ACTION
tom(s) to diagnose the shorted circuit.
Perform BODY VERIFICATION TEST - VER 1.
tom(s).
Perform BODY VERIFICATION TEST - VER 1.
tom(s).
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
INSTRUMENT CLUSTER
353
APPLICABILITY
All
All
All
All