TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Liftgate Cinch/Release Motor connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit (cavity 4).
Wiggle the harness and check for an intermittent open condition.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Clutch Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Release Driver circuit between the
Power Liftgate Control Module C2 connector and the Liftgate Cinch/Release Motor
connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 5
No®Repair the Liftgate Latch Release Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the Power Liftgate Module C1 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Clutch Driver circuit between the
Sliding Door Control Module C1 connector and the Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Liftgate Latch Clutch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Cinch Driver circuit between the PLG
C2 connector to the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Liftgate Latch Cinch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
7 If there are no possible causes remaining, view repair. All
Repair
Replace the Latch Assembly.
Perform BODY VERIFICATION TEST - VER 1.
770
POWER DOORS - LIFTGATE
INCOMPLETE LATCH CINCH - NO CURRENT ÐContinued
TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Cinch Driver circuit between the Power
Liftgate Module C2 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Liftgate Latch Cinch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Release Driver circuit between the
Power Liftgate Module C2 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 5
No®Repair the Liftgate Latch Release Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance between ground and the Liftgate Latch Cinch Driver circuit.
Wiggle the harness and check for an intermittent short condition.
Is the resistance below 1000.0 ohms?All
Ye s®Go To 6
No®Repair the Liftgate Latch Cinch Driver wire for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
6 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance between the Ground circuit (cavity 20) and the Liftgate Latch
Cinch Driver circuit.
Wiggle the harness and check for an intermittent short condition.
Is the resistance below 1000.0 ohms?All
Ye s®Go To 7
No®Repair the Liftgate Latch Cinch Driver wire for a short to the
Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
774
POWER DOORS - LIFTGATE
INCOMPLETE LATCH CINCH - OVERCURRENT ÐContinued
TEST ACTION APPLICABILITY
7 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance between ground and the Liftgate Latch Release Driver
circuit.
Wiggle the harness and check for an intermittent short condition.
Is the resistance below 1000.0 ohms?All
Ye s®Go To 8
No®Repair the Liftgate Latch Release Driver wire for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
8 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance between the Ground circuit (cavity 20) and the Liftgate Latch
Release Driver circuit.
Wiggle the harness and check for an intermittent short condition.
Is the resistance below 1000.0 ohms?All
Ye s®Go To 9
No®Repair the Liftgate Latch Release Driver wire for a short to the
Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
9 If there are no possible causes remaining, view repair. All
Repair
Replace the Latch Assembly.
Perform BODY VERIFICATION TEST - VER 1.
775
POWER DOORS - LIFTGATE
INCOMPLETE LATCH CINCH - OVERCURRENT ÐContinued
TEST ACTION APPLICABILITY
3 With the DRBIIItin Inputs/Outputs, read the PAWL SWITCH state.
Open the liftgate to full open position.
Using a screwdriver, click the latch to the first detent while observing the DRB111t.
Unlatch the latch by pulling the handle switch and observe the DRB111tfor a state
change.
Repeat this step several times while moving the door in different positions and
wiggling the wiring harness to check for an intermittent short..
Did the DRB111tshow the switch state changes correctly every time?All
Ye s®Go To 4
No®Go To 7
4 Turn the ignition off.
Disconnect the Liftgate Cinch/Release Motor connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit (cavity 4).
Wiggle the harness and check for an intermittent open condition.
Does the test light illuminate brightly?All
Ye s®Go To 5
No®Repair the Clutch Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the Power Liftgate Module C1 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Clutch Driver circuit between the Power
Liftgate Module C1 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Liftgate Latch Clutch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 If there are no possible causes remaining, view repair. All
Repair
Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
7 Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance between ground and the Liftgate Pawl Switch Sense circuit.
Wiggle the harness while observing the ohmmeter.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Pawl Switch Sense wire for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 8
777
POWER DOORS - LIFTGATE
INCOMPLETE LATCH CINCH - PAWL SWITCH FAILURE ÐContinued
TEST ACTION APPLICABILITY
2 Examine the liftgate for proper fit and alignment, lose/hard or torn seals, latch
striker or anything that would cause an obstruction to proper operation.
Manually operate the liftgate of a known good vehicle and notice the effort needed to
open and close.
Compare the effort needed on the disabled liftgate.
Does it take more effort to operate the liftgate than it should?All
Ye s®Refer to Service information for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 With the DRBIIItin Inputs/Outputs, read the RATCHET SWITCH state.
Open the liftgate to full open position.
Using a screwdriver, click the latch to the second detent while observing the
DRB111t.
Unlatch the latch by pressing the handle switch and observe the DRB111tfor 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 DRB111tshow the switch state changes correctly every time?All
Ye s®Replace the Power Sliding Door Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Turn the ignition off.
Disconnect the Liftgate Cinch/Release Motor connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit (cavity 4).
Wiggle the harness and check for an intermittent open condition.
Does the test light illuminate brightly?All
Ye s®Go To 5
No®Repair the Clutch Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the Power Liftgate Module C1 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Clutch Driver circuit between the Power
Liftgate Module C1 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Liftgate Latch Clutch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 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?All
Ye s®Go To 7
No®Repair the Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
780
POWER DOORS - LIFTGATE
INCOMPLETE LATCH CINCH - RATCHET SWITCH FAILURE ÐContinued
TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between ground and the Liftgate Latch Cinch Driver circuit.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Liftgate Latch Cinch/Release Driver circuit for a short
to ground. This could be the Latch Cinch Driver wire or the Latch
Release Driver wire or the motor itself.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between the Ground circuit and the Liftgate Latch Cinch
Driver circuit.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Latch Cinch/Release Driver circuit for a short
to the Ground circuit This could be the Latch Cinch Driver wire or
the Latch Release Driver wire or the motor itself.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 If there are no possible causes remaining, view repair. All
Repair
Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
6 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Cinch Driver circuit between the Power
Liftgate Module C2 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Liftgate Latch Cinch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
7 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Release Driver circuit between the
Power Liftgate Module C2 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 8
No®Repair the Liftgate Latch Release Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
783
POWER DOORS - LIFTGATE
INCOMPLETE LATCH RELEASE - NO CURRENT ÐContinued
TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Power Liftgate Module C1 connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Wiggle the harness and check for an intermittent open condition.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Power Liftgate Module C1 connector.
Measure the resistance between ground and the Liftgate Close Driver circuit.
Wiggle the harness and check for an intermittent short circuit condition.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Close Driver circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between ground and the Liftgate Latch Release Driver
circuit.
Wiggle the harness and check for an intermittent short condition.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Latch Release Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between the Ground circuit (cavity 20) and the Liftgate Latch
Release Driver circuit.
Wiggle the harness and check for an intermittent short condition.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Latch Release Driver circuit for a short to the
Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 7
7 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between ground and the Liftgate Gear Engage Driver circuit.
Wiggle the harness and check for an intermittent short condition.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Gear Engage Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 8
797
POWER DOORS - LIFTGATE
INCOMPLETE POWER CLOSE - OVER CURRENT ÐContinued
TEST ACTION APPLICABILITY
8 Turn the ignition off.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between the Ground circuit (cavity 20) and the Liftgate Gear
Engage Driver circuit.
Wiggle the harness and check for an intermittent short condition.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Gear Engage Driver circuit for a short to the
Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 9
9 Ensure all module and motor connectors are connected at this time.
Try to operate the liftgate in the close position.
Did the motor start to close the liftgate but was very slow and labored extensively?All
Ye s®Replace the Power Liftgate Motor assembly.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Power Liftgate Module
Perform BODY VERIFICATION TEST - VER 1.
798
POWER DOORS - LIFTGATE
INCOMPLETE POWER CLOSE - OVER CURRENT ÐContinued