Chrysler Pacifica. Manual — part 89
TEST
ACTION
APPLICABILITY
4
With the DRBIII
t, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIII
t, read DTC’s.
Did this DTC reset?
All
Yes
→ Replace the module which set the DTC in accordance with the
service information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
353
COMMUNICATION
MIC MESSAGES NOT RECEIVED —
Continued
Symptom:
MSM MESSAGE RESPONSE FAULT
When Monitored and Set Condition:
MSM MESSAGE RESPONSE FAULT
When Monitored:
Continuously.
Set Condition:
The door module does not receive a memory message from the memory
seat module. Time to mature for the DDM is 10 seconds.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE MEMORY SEAT MODULE
CLEAR DTC
MEMORY SEAT MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRB, attempt to communicate with the memory seat module.
Was the DRB able to I/D or communicate with the memory seat module?
All
Yes
→ Go To 2
No
→ Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2
With the DRB, erase DTC’s.
Cycle the ignition switch from off to on.
Reset the memory positions.
Operate the memory system.
With the DRB, read DTC’s.
Did this DTC reset?
All
Yes
→ Replace the Memory Seat Module in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ No problem found at this time. Refer to the wiring diagrams
located in the service information for any possible intermittent
wiring problems.
Perform BODY VERIFICATION TEST - VER 1.
354
COMMUNICATION
Symptom:
MSM MESSAGES NOT RECEIVED
When Monitored and Set Condition:
MSM MESSAGES NOT RECEIVED
When Monitored:
MSM did not respond to a messages request.
Set Condition:
The module does not receive any messages from the MSM. Time to mature
for the DDM and PDM is 8 seconds.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE MEMORY SEAT MODULE
MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, attempt to communicate with the Memory Seat Module.
Was the DRBIII
t able to I/D or communicate with the MSM?
All
Yes
→ Go To 2
No
→ Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2
With the DRBIII
t, erase DTC’s.
Operate the memory seat system.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIII
t, read DTC’s.
Did this DTC reset?
All
Yes
→ Replace the module which set the DTC in accordance with the
service information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
355
COMMUNICATION
Symptom:
ORC MESSAGES NOT RECEIVED
When Monitored and Set Condition:
ORC MESSAGES NOT RECEIVED
When Monitored:
With the ignition in run or run/start and the IPM indicates the airbag
power is on.
Set Condition:
The module does not receive any messages from the ORC. Time to mature
for the BCM, DDM, IPM and PDM is 5 seconds.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE OCCUPANT RESTRAINT CONTROLLER (ORC)
MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRB, attempt to communicate with the ORC.
Was the DRB able to I/D or communicate with the ORC?
All
Yes
→ Go To 2
No
→ Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2
With the DRB, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read DTC’s.
Did this DTC reset?
All
Yes
→ Replace the module which set the DTC in accordance with the
service information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
356
COMMUNICATION
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