TEST
ACTION
APPLICABILITY
2
Examine the liftgate for proper alignment, worn or binding hinges, weak liftgate prop
assembly, loose/ hard weatherstrip, and gear teeth on the Power Liftgate Motor
assembly for wear or anything that would cause an obstruction to proper operation.
If necessary manually operate the power liftgate on a known good vehicle and notice
the effort needed to open and close for comparison.
Especially notice the effort needed to unlatch and close the liftgate.
Were there any mechanical problems found?
All
Yes
→ Refer to Service information for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Operate the liftgate from the full closed position and put an obstacle in it’s path to
make it reverse.
Did the door reverse back to the closed position?
All
Yes
→ Go To 4
No
→ Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
4
Disconnect the Power Liftgate Motor connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Does the test light illuminate brightly?
All
Yes
→ Go To 5
No
→ Repair the hall effect ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
5
Disconnect the Power Liftgate Motor connector.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance of the Liftgate Hall Effect Supply circuit between the Power
Liftgate Motor connector and the Power Liftgate Module C2 connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 6
No
→ Repair the Liftgate Hall Effect Supply wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6
Disconnect the Power Liftgate Motor connector.
Disconnect the Power Liftgate Module C2 connector.
Measure the resistance between ground and the Liftgate Hall Effect Supply circuit.
Is the resistance below 100.0 ohms?
All
Yes
→ Repair the Door Motor Hall Effect Supply wire for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 7
835
POWER DOORS - LIFTGATE
INCOMPLETE POWER OPEN - HALL EFFECT SIGNAL MISSING —
Continued