Chrysler Town and Country 2003 Owner's Manual page 220

AUDIO
*REMOTE RADIO CONTROLS INOPERATIVE —
TEST
4 Turn the ignition off.
Disconnect the Clockspring C1 harness connector.
Disconnect the BCM C5 harness connector.
Measure the resistance of the Radio Control MUX circuit between the BCM
connector and the Clockspring connector.
Is the resistance below 5.0 ohms?
Yes → Go To 5
→ Repair the Radio Control MUX circuit for an open between the
No
5 Turn the ignition off.
Disconnect the Clockspring C1 harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Radio Control MUX Return circuit between the BCM
connector and the Clockspring connector.
Is the resistance below 5.0 ohms?
Yes → Go To 6
→ Repair the Radio Control MUX Return circuit for an open be-
No
6 If there are no possible causes remaining, view repair.
Repair
7 WARNING: Turn the ignition off, disconnect the battery and wait 2 minutes
before proceeding.
CAUTION: Do not place an intact undeployed airbag module face down on
a hard surface, the airbag module will propel into the air if accidently
deployed.
Remove the Driver Airbag Module.
Disconnect both remote radio switch harness connectors.
Turn the ignition on, reconnect the battery.
Measure the voltage of the Radio Control MUX circuit at the inoperative remote
radio switch.
Is the voltage approximately 5.0 volts?
Yes → Go To 8
→ Repair the Radio Control MUX circuit for an open between the
No
ACTION
clockspring and the BCM.
Perform BODY VERIFICATION TEST - VER 1.
tween the clockspring and the BCM.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
inoperative switch and the splice.
Perform BODY VERIFICATION TEST - VER 1.
Continued
196
APPLICABILITY
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