2007 Commander XK Factory Service Manual 8 - ELECTRICAL

B1958-POWER LIFTGATE DRIVE CLUTCH CONTROL CIRCUIT LOW





For a complete wiring diagram Refer to Section 8W



Possible Causes
 
(Q201) LIFTGATE CLUTCH DRIVER CIRCUIT SHORT TO GROUND
 
POWER LIFTGATE DRIVE UNIT
 
POWER LIFTGATE MODULE
 




Diagnostic Test

1. DTC PRESENT

With the scan tool, record DTCs and any liftgate inhibitors.
Erase DTCs.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the liftgate several times.
With the scan tool, read DTCs.

Does the scan tool display B1958–POWER LIFTGATE DRIVE CLUTCH CONTROL CIRCUIT LOW?

Yes


No

2. POWER LIFTGATE DRIVE UNIT



Disconnect the Power Liftgate Drive Unit harness connector
Erase DTCs.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
With the scan tool, read DTCs.

Does the scan tool display B1958–POWER LIFTGATE DRIVE CLUTCH CONTROL CIRCUIT LOW?

Yes


No

3. (Q201) LIFTGATE CLUTCH DRIVER CIRCUIT SHORT TO GROUND



Turn the ignition off.
Disconnect the Power Liftgate Module C1 harness connector.
Measure the resistance between ground and the (Q201) Liftgate Clutch Driver circuit.

Is the resistance below 10000.0 ohms?

No


Yes