2007 Commander XK Factory Service Manual 8 - ELECTRICAL

B1807 PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH - PASSENGER DOOR MODULE





For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
(G16O) (LHD) RIGHT DOOR LOCK SWITCH MUX WIRE PARTIAL SHORT TO VOLTAGE
 
(G161) (RHD) LEFT DOOR LOCK SWITCH MUX WIRE PARTIAL SHORT TO VOLTAGE
 
PASSENGER WINDOW/DOOR LOCK SWITCH
 
PASSENGER DOOR MODULE
 




Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION

With the scan tool, record and erase DTC's
Operate the Passenger Door Lock Switch in both positions several times.
Cycle the ignition from on to off 3 times.
Turn the ignition on.
With the scan tool, read DTC's.

Does the scan tool display B1807–PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH?

Yes


No

2. DOOR LOCK SWITCH SHORTED TO VOLTAGE



With the scan tool, erase DTC's.
Disconnect the Passenger Window/Door Lock Switch connector.
With the scan tool, read DTC's.

Does the scan tool display PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH?

No


Yes

3. (G160) (LHD) OR (G161) (RHD) DOOR LOCK SWITCH MUX CIRCUIT SHORT TO VOLTAGE



Disconnect the Passenger Door Module C2 connector.
Measure the voltage between ground and the (G160) or (G161) Door Lock Switch Mux circuit in the Passenger Door Module C2 connector.

Is there any voltage present?

Yes


No