Chrysler RG Voyager. Manual — part 87
TEST
ACTION
APPLICABILITY
3
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 the Right Remote Radio Switch harness connector.
Turn the ignition on, reconnect the battery.
With the DRB, enter Body Computer then Sensors and monitor the Radio Control SW
voltage.
Is the voltage approximately 5.0 volts?
All
Yes
→ Replace the Right Remote Radio Switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Disconnect the Clockspring C4 harness connector.
Turn the ignition on.
With the DRB, enter Body Computer then Sensors and monitor the Radio Control SW
voltage.
Is the voltage approximately 5.0 volts?
All
Yes
→ Go To 5
No
→ Go To 6
5
Turn the ignition off.
Disconnect the Clockspring C4 harness connector.
NOTE: Ensure both remote radio switches are disconnected.
Measure the resistance between ground and each Radio Control MUX circuit at the
clockspring C4 harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Radio Control MUX circuit for a short to ground
between the clockspring and the remote radio switches.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Radio Control MUX circuit for a short to the Radio
Control MUX Return circuit between the clockspring and the
remote radio switches.
Perform BODY VERIFICATION TEST - VER 1.
6
Turn the ignition off.
Disconnect the Clockspring C1 harness connector.
Turn the ignition on.
With the DRB, enter Body Computer then Sensors and monitor the Radio Control SW
voltage.
Is the voltage approximately 5.0 volts?
All
Yes
→ Replace the Clockspring in accordance with the service informa-
tion.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 7
317
AUDIO
REMOTE RADIO SWITCH STUCK —
Continued
TEST
ACTION
APPLICABILITY
7
Turn the ignition off.
Disconnect the Clockspring C1 harness connector.
Disconnect the applicable BCM harness connector.
Measure the resistance between ground and the Radio Control MUX circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Radio Control MUX circuit for a short to ground
between the clockspring and the BCM.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 8
8
Turn the ignition off.
Disconnect the Clockspring C1 harness connector.
Disconnect the applicable BCM harness connectors.
Measure the resistance between the Radio Control MUX circuit and the Radio
Control MUX Return circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Radio Control MUX circuit for a short to the Radio
Control MUX Return circuit between the clockspring and the
BCM.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 9
9
If there are no possible causes remaining, view repair.
All
Repair
Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
318
AUDIO
REMOTE RADIO SWITCH STUCK —
Continued
Symptom:
*REMOTE RADIO CONTROLS INOPERATIVE
POSSIBLE CAUSES
OPEN RADIO CONTROL MUX CIRCUIT AT THE SWITCH
OPEN RADIO CONTROL MUX RETURN CIRCUIT AT THE SWITCH
REMOTE RADIO SWITCH
BODY CONTROL MODULE - INTERNAL SHORT
OPEN CLOCKSPRING
OPEN RADIO CONTROL MUX CIRCUIT
OPEN RADIO CONTROL MUX RETURN CIRCUIT
BODY CONTROL MODULE - OPEN INTERNAL
TEST
ACTION
APPLICABILITY
1
NOTE: If any DTCs are set, diagnose the DTC before continuing.
Turn the ignition and radio on.
Operate both remote radio switches.
Are both remote radio control switches inoperative?
All
Yes
→ Go To 2
No
→ Go To 7
2
Turn the ignition off.
Disconnect the Clockspring C1 harness connector.
Turn the ignition on.
With the DRB, enter Body Computer then Sensors and monitor the Radio Control SW
voltage.
Is the voltage approximately 5.0 volts?
All
Yes
→ Go To 3
No
→ Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Clockspring C1 harness connector.
Turn the ignition on.
Connect a jumper wire between cavity 1 and cavity 2 at the Clockspring C1 connector.
With the DRB, enter Body Computer then Sensors and monitor the Radio Control SW
voltage.
Is the voltage approximately 0.0 volts?
All
Yes
→ Check the circuits between the clockspring connector and the
splice for an open. If ok, replace the Clockspring.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
319
AUDIO
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Clockspring C1 harness connector.
Disconnect the applicable BCM 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?
All
Yes
→ Go To 5
No
→ Repair the Radio Control MUX circuit for an open between the
clockspring and the BCM.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Disconnect the Clockspring C1 harness connector.
Disconnect the applicable BCM 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?
All
Yes
→ Go To 6
No
→ Repair the Radio Control MUX Return circuit for an open be-
tween the clockspring and the BCM.
Perform BODY VERIFICATION TEST - VER 1.
6
If there are no possible causes remaining, view repair.
All
Repair
Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
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?
All
Yes
→ Go To 8
No
→ Repair the Radio Control MUX circuit for an open between the
inoperative switch and the splice.
Perform BODY VERIFICATION TEST - VER 1.
320
AUDIO
*REMOTE RADIO CONTROLS INOPERATIVE —
Continued
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