Chrysler Concorde 2004 Service Manual page 181

*NO RESPONSE FROM RADIO —
TEST
4 Turn the ignition off.
Replace Fuse #4 in the junction block.
Disconnect the Radio C1 harness connector.
Turn the ignition on.
Remove and inspect fuse #4 in the junction block.
Is the fuse open?
Yes → Go To 5
→ Replace the Radio.
No
5 Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Junction Block C3 harness connector.
Measure the resistance between ground and the Fused Ignition Switch Output
circuit.
Is the resistance below 5.0 ohms?
Yes → Repair the Fused Ignition Switch Output circuit for a short to
→ Replace the Junction Block in accordance with the service infor-
No
6 Turn the ignition off.
NOTE: Ensure fuse #4 is installed in the junction block.
Disconnect the Radio C1 harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused Ignition Switch
Output circuit.
Is the test light illuminated?
Yes → Go To 7
→ Repair the Fused Ignition Switch Output circuit for an open.
No
7 Turn the ignition off.
Disconnect the Radio C1 harness connector.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit.
Is the test light illuminated?
Yes → Go To 8
→ Repair the Fused B+ circuit for an open. Refer to the wiring
No
8 Turn the ignition off.
Disconnect the Radio C1 harness connector.
Using a 12-volt test light connected to 12-volts, probe the ground circuit.
Is the test light illuminated?
Yes → Go To 9
→ Repair the ground circuit for an open.
No
Continued
ACTION
Perform BODY VERIFICATION TEST - VER 1.
ground.
Perform BODY VERIFICATION TEST - VER 1.
mation.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
diagrams located in the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
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COMMUNICATION
APPLICABILITY
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