Response From Radio - Dodge ZB 2005 Service Manual

Symptom:
*NO RESPONSE FROM RADIO
NO RESPONSE FROM RADIO
OPEN RUN/ACC RELAY CONTROL CIRCUIT
OPEN FUSED B+ CIRCUIT
GROUND CIRCUIT OPEN
OPEN PCI BUS CIRCUIT
RADIO
TEST
1 Turn the ignition on.
Note: As soon as one or more module communicates with the DRB, answer
the question.
With the DRB, attempt to communicate with the Airbag Control Module.
With the DRB, attempt to communicate with the Body Control Module (BCM).
Was the DRB able to I/D or establish communications with either of the modules?
Yes → Go To 2
→ Refer to the Communications category and perform the symptom
No
2 Turn the ignition off.
Disconnect the Radio harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the RUN/ACC Relay Control
circuit.
Is the test light illuminated?
Yes → Go To 3
→ Repair the RUN/ACC Relay Control circuit for an open or short.
No
3 Turn the ignition off.
Disconnect the Radio harness connector.
Using a 12-volt test light connected to ground, probe both Fused B+ circuits.
Is the test light illuminated for each circuit?
Yes → Go To 4
→ Repair the Fused B+ circuit for an open or short. Refer to the
No
POSSIBLE CAUSES
ACTION
PCI Bus Communication Failure.
Perform BODY VERIFICATION TEST - VER 1.
Refer to the wiring diagrams located in the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
wiring diagrams located in the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
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COMMUNICATION
APPLICABILITY
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