Chrysler Town and Country 2003 Owner's Manual page 833

INCOMPLETE LATCH RELEASE - RATCHET SWITCH FAILURE —
Continued
TEST
3 With the DRBIII in Inputs/Outputs, read the RATCHET state.
Open the liftgate to full open position.
Using a screwdriver, click the latch to the second detent while observing the
DRBIII .
Unlatch the latch by pressing the handle switch or using the key and observe the
DRBIII for a state change.
Repeat this step several times while moving the liftgate in different positions and
wiggling the wiring harness to check for an intermittent short.
Did the DRB111 show the switch state changes correctly every time?
Yes → Replace the Power Liftgate Module.
→ Go To 4
No
4 Disconnect the Power Liftgate C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Ground wire between the PLG C2 connector (cavity 20)
and the Liftgate Cinch/Release Motor connector (cavity 1).
Wiggle the harness while observing the ohmmeter.
Is the resistance below 5.0 ohms?
Yes → Go To 5
→ Repair the Ground wire for an open.
No
5 Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector (latch assembly).
Measure the resistance of the Liftgate Ajar Switch Sense wire between the PLG C2
connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and move the liftgate in different positions while observing the
ohmmeter.
Is the resistance below 5.0 ohms?
Yes → Go To 6
→ Repair the Liftgate Ajar Switch Sense wire for an open.
No
6 If there are no possible causes remaining, view repair.
Repair
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Ratchet Switch (latch assembly).
Perform BODY VERIFICATION TEST - VER 1.
POWER DOORS - LIFTGATE
809
APPLICABILITY
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All
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