Chrysler RG Voyager. Manual — part 140
TEST
ACTION
APPLICABILITY
8
Turn the ignition off.
Disconnect the Body Control Module C2 harness connector.
Disconnect the Power Liftgate Module C2 harness connector.
Turn the ignition on.
Measure the voltage of the Liftgate Module Wake Up Signal circuit.
Is there any voltage present?
All
Yes
→ Repair the Liftgate Module Wake Up Signal wire for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Power Liftgate Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
9
Turn the ignition off.
Disconnect the Body Control Module C2 harness connector.
Disconnect the Power Liftgate Module C2 harness connector.
Measure the resistance of the Liftgate Module Wake Up Signal circuit between the
BCM C2 connector and the Power Liftgate Module C2 connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Body Control Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Liftgate Module Wake Up Signal wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
529
COMMUNICATION
*NO RESPONSE FROM POWER LIFTGATE MODULE —
Continued
Symptom:
*NO RESPONSE FROM RADIO
POSSIBLE CAUSES
NO RESPONSE FROM RADIO
OPEN FUSED ACCESSORY RELAY OUTPUT CIRCUIT
OPEN FUSED B+ CIRCUIT
GROUND CIRCUIT OPEN
OPEN PCI BUS CIRCUIT
RADIO
TEST
ACTION
APPLICABILITY
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 Occupant Restraint Controller
(ORC).
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?
All
Yes
→ Go To 2
No
→ Refer to the Communications category and perform the symptom
PCI Bus Communication Failure.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused Accessory Relay
Output circuit.
Is the test light illuminated?
All
Yes
→ Go To 3
No
→ Check fuse #5 in the IPM for an open. If ok, repair the Fused
Accessory Relay Output circuit for an open or short. Refer to the
wiring diagrams located in the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Using a 12-volt test light connected to ground, probe both Fused B+ circuits.
Is the test light illuminated for each circuit?
All
Yes
→ Go To 4
No
→ Check fuse #14 in the IPM for an open. If ok, repair the Fused B+
circuit for an open or short. Refer to the wiring diagrams located
in the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
530
COMMUNICATION
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Using a 12-volt test light connected to 12-volts, probe both ground circuits.
Is the test light illuminated for each circuit?
All
Yes
→ Go To 5
No
→ Repair the ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
5
Note: Ensure there is PCI Bus communication with other modules on the
vehicle before proceeding. If not, refer to the symptom list from the menu
and repair as necessary.
Disconnect the Radio C1 harness connector.
Use Scope input cable CH7058, Cable to Probe adapter CH7062, and the red and
black test probes.
Connect the scope input cable to the channel one connector on the DRB. Attach the
red and black leads and the cable to probe adapter to the scope input cable.
With the DRBIII
t select Pep Module Tools.
Select lab scope.
Select Live Data.
Select 12 volt square wave.
Press F2 for Scope.
Press F2 and use the down arrow to set voltage range to 20 volts. Press F2 again
when complete.
Connect the Black lead to the chassis ground. Connect the Red lead to the PCI Bus
circuit in the Radio connector.
Turn the ignition on.
Observe the voltage display on the DRB Lab Scope.
Does the voltage pulse from 0 to approximately 7.5 volts?
All
Yes
→ Go To 6
No
→ Repair the PCI Bus circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
6
If there are no possible causes remaining, view repair.
All
Repair
Replace the Radio.
Perform BODY VERIFICATION TEST - VER 1.
531
COMMUNICATION
*NO RESPONSE FROM RADIO —
Continued
Symptom:
*NO RESPONSE FROM RIGHT SLIDING DOOR CONTROL MOD-
ULE
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE BCM
FUSED B(+) CIRCUIT OPEN
GROUND CIRCUIT OPEN
DOOR MOTOR HALL EFFECT SUPPLY SHORT TO GROUND
PCI BUS CIRCUIT OPEN
DOOR MOTOR HALL EFFECT SENSOR SHORT TO GROUND
RIGHT SLIDING DOOR WAKE UP SIGNAL WIRE OPEN
RIGHT SLIDING DOOR WAKE UP SIGNAL WIRE SHORT TO VOLTAGE
BODY CONTROL MODULE - RIGHT SLIDING DOOR WAKE UP GROUND OPEN
RIGHT POWER SLIDING DOOR MODULE - OPEN
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII, enter Body then Body Computer.
NOTE: If communications can be established, check for any power sliding
door wake up circuit related DTCs. If any are set, perform those related
DTCs before proceeding.
Was the DRBIII able to I/D or communicate with the BCM?
All
Yes
→ Go To 2
No
→ Refer to the symptom list for problems related to no communica-
tion with the BCM.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the Right Sliding Door Control Module C1 harness connector.
Measure the voltage of the Fused B(+) circuit.
Is the voltage above 10.0 volts?
All
Yes
→ Go To 3
No
→ Repair the Fused B(+) circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Right Sliding Door Control Module C1 harness connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Does the test light illuminate brightly?
All
Yes
→ Go To 4
No
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
532
COMMUNICATION
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