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POWER DOORS - LIFTGATE
Symptom:
*POWER LIFTGATE INOPERATIVE
DTC'S PRESENT
MODULE RESPONSE
INTERMITTENT PROBLEM
SYSTEM TESTS
TEST
1
With the DRBIII
Liftgate Modules
Is there response from both modules?
Yes → Go To 2
→ Refer to symptom list for problems related to COMMUNICA-
No
2
With the DRBIII , read DTCs in POWER LIFTGATE and BODY COMPUTER.
Are any Power Liftgate related codes present?
Yes → Refer to symptom list for problems related to POWER LIFT-
→ Go To 3
No
3
This test will determine what inhibited the Power Liftgate from operating properly.
With the DRBIII , select POWER LIFTGATE, MISCELLANEOUS, LAST INHIBIT
MONITOR.
Does the DRBIII display any INHIBIT REASONS?
Yes → Check for any binding conditions or other restrictions that may
→ Go To 4
No
4
Ensure Liftgate is fully closed before proceeding.
With the DRBIII select SYSTEM TEST.
Perform the Open, Close, Latch Cinch, Latch Release and Relay tests.
Did any test fail?
Yes → Using the wiring diagram/schematic as a guide, inspect the
→ Test Complete.
No
POSSIBLE CAUSES
ACTION
check for response from the Body Computer and the Power
TION.
GATE.
prevent proper operation. Using the wiring diagram/schematic as
a guide, inspect the wiring and connectors.
wiring and connectors.
776
APPLICABILITY
All
All
All
All
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