DaimlerChrysler Jeep Grand Cherokee 2002, Service Manual

Page: 252 / 284

TEST ACTION APPLICABILITY
2 Turn the ignition off.
NOTE: Visually inspect the related wiring harness and CCD/PCI Bus
(whichever applicable) circuits. Look for any chafed, pierced, pinched, or
partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found? All
Yes
→
Repair as necessary.
Perform SKIS VERIFICATION.
No
→
Go To 3
3 NOTE: Before proceeding it will be necessary to obtain the SKIM PIN.
Turn the ignition on.
With the DRBIII
t
, display and erase all ECM and SKIM DTC’s.
Perform 5 ignition key cycles, leaving the ignition key on for a minimum of 90 seconds
per cycle.
With the DRBIII
t
, read the SKIM DTCs.
Does the code appear?
All
Yes
→
Replace and program the Engine Control Module in accordance
with the Service Information.
Perform SKIS VERIFICATION.
No
→
Test Complete.
4 Turn the ignition off.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found? All
Yes
→
Repair wiring harness/connectors as necessary.
Perform SKIS VERIFICATION.
No
→
Test Complete.
244
SENTRY KEY IMMOBILIZER
PCM STATUS FAILURE —
Continued
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