Chrysler 300M 2002 Service Manual page 2707

DRIVEABILITY - NGC
Symptom:
P1695-NO BODY BUS MESSAGES
When Monitored and Set Condition:
P1695-NO BODY BUS MESSAGES
When Monitored: With the ignition on. Battery voltage greater than 10.0 volts.
Set Condition: No BUS messages recieved from the BCM for 20 seconds.
INTERMITTENT CONDITION
COMMUNICATE WITH BCM
PCI BUS CIRCUIT OPEN
PCM
TEST
1 Turn the ignition on.
With the DRBIII , erase DTCs.
Cycle the ignition key on and off several times. Leaving the ignition on for at least 20
seconds.
With the DRBIII , read DTC's.
Does the DTC reset?
Yes → Go To 2
→ Go To 4
No
2 Turn the ignition on.
With the DRBIII , attempt to communicate with the BCM.
Can communication be established with the BCM?
Yes → Go To 3
→ Refer to the Communication Category and perform the appropri-
No
3 Turn the ignition off.
Disconnect the PCM harness connector
Disconnect the BCM harness connector.
NOTE: Inspect the PCI Bus terminal at both the PCM connectors and the
BCM connectors. Check for corrosion, damage or terminal push out.
Measure the resistance of the PCI BUS circuit between the PCM harness connector
and the BCM harness connector.
Is the resistance below 5.0 ohms?
Yes → Replace and program the Powertrain Control Module in accor-
→ Repair the PCI BUS circuit for an open.
No
POSSIBLE CAUSES
ACTION
ate symptom related to no communication with BCM.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
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APPLICABILITY
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All
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