Dodge Ram 2004 Service Manual page 530

TELECOMMUNICATION
RIGHT AUDIO INPUT SHORT TO GROUND —
TEST
1 Turn the ignition on.
With the DRBIII , erase HFM DTCs.
Attempt to make a phone call using the system.
With the DRBIII , read HFM DTCs.
Does the DRBIII display this DTC?
Yes → Go To 2
→ Go To 7
No
2 Turn the ignition off.
Disconnect the Radio C2 harness connector.
Disconnect the Hands Free Module harness connector.
Measure the resistance of the Right Audio Output circuit.
Is the resistance below 10.0 ohms?
Yes → Go To 3
→ Repair the Right Audio Output circuit for an open.
No
3 Turn the ignition off.
Disconnect the Radio C2 harness connector.
Disconnect the Hands Free Module harness connector.
Measure the resistance between ground and the Right Audio Output circuit.
Is the resistance above 1000.0 ohms?
Yes → Go To 4
→ Repair the Right Audio Output circuit for a short to ground.
No
4 Turn the ignition off.
Disconnect the Radio C2 harness connector.
Disconnect the Hands Free Module harness connector.
Turn the ignition on.
Measure the voltage of the Right Audio Output circuit.
Is the voltage below 1.0 volt?
Yes → Go To 5
→ Repair the Right Audio Output circuit for a short to voltage.
No
5 Turn the ignition off.
Disconnect the Radio C2 harness connector.
Disconnect the Hands Free Module harness connector.
Measure the resistance of the Hands Free Audio Output Common circuit.
Is the resistance below 10.0 ohms?
Yes → Go To 6
→ Repair the Hands Free Audio Output Common circuit for an open.
No
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Continued
516
APPLICABILITY
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