2007 Commander XK Factory Service Manual 8 - ELECTRICAL

B1912-PASSENGER WINDOW SWITCH CIRCUIT HIGH-PDM





For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
(Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT 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 Window Switch in both positions several times.
Cycle the ignition from on to off.
Turn the ignition on.
With the scan tool, read DTC's.

Does the scan tool display B1912–PASSENGER WINDOW SWITCH CIRCUIT HIGH?

Yes


No

2. PASSENGER WINDOW/DOOR LOCK SWITCH SHORTED



With the scan tool, erase DTC's.
Disconnect the Passenger Window/Door Lock Switch C2 connector.
Turn the ignition on.
With the scan tool, read DTC's.

Does the scan tool display B1912–PASSENGER WINDOW SWITCH CIRCUIT HIGH?

No


Yes

3. (Q336) PASSENGER WINDOW EXPRESS SWITCH MUX WIRE SHORT TO VOLTAGE



Turn the ignition off.
Disconnect the Passenger Door Module C2 connector.
Turn the ignition on.
Measure the voltage between ground and the (Q336) Passenger Window Express Switch Mux circuit in the Passenger Door Module C2 connector.

Is there any voltage present?

Yes


No