Chrysler Sebring 2004 Service Manual page 2159

DRIVEABILITY - GAS
Symptom:
P1686 NO SKIM BUS MESSAGE RECEIVED
SKIM/PCM
INTERMITTENT CONDITION
LOSS OF SKIM COMMUNICATION
PCI BUS CIRCUIT OPEN FROM PCM TO SKIM
TEST
1 Turn the ignition on.
With the DRB III, read the PCM DTCs. Look for P1686.
Is the Starts Since Set counter on the DTC screen for P1686 equal to Zero?
Yes → Go To 2
→ Go To 5
No
2 Turn the ignition on.
With the DRB III, attempt to communicate with the SKIM.
NOTE: This test will indicate if the Bus is operational from the DLC to the
SKIM.
Was the DRB III able to communicate with the SKIM?
Yes → Go To 3
→ Refer to symptom BUS +/- SIGNAL OPEN FROM SKIM in the
No
3 Turn the ignition off.
Disconnect the PCM harness connectors.
Disconnect the SKIM harness connector.
Measure the resistance of the PCI Bus circuit between the PCM harness connector
and the SKIM harness connector.
Is the resistance below 5.0 ohms?
Yes → Go To 4
→ Repair the PCI Bus circuit between the PCM and the SKIM for an
No
4 Turn the ignition off.
Replace the Sentry Key Immobilizer Module per Service Information.
Turn the ignition on.
Display and erase all PCM and SKIM DTCs.
Perform 5 ignition key cycles leaving the ignition key on for 90 seconds per cycle.
With the DRB, display PCM DTCs.
Does the DRB display the same DTC?
Yes → Replace and program the PCM in accordance with the Service
→ Test Complete.
No
POSSIBLE CAUSES
ACTION
COMMUNICATION category.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
open.
Perform SKIS VERIFICATION.
Information.
Perform SKIS VERIFICATION.
230
APPLICABILITY
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