B190F–DRIVER WINDOW SWITCH CIRCUIT HIGH–DDM





For a complete wiring diagram Refer to Section 8W.

Theory of Operation


This test shows graphics, circuit numbers and text for a Left Hand Drive (LHD) vehicle. For a Right Hand Drive (RHD) vehicle, refer to the schematic for the different circuit numbers, cavities and names.


  • When Monitored:

    Continuously

  • Set Condition:

    When the Driver Express Switch Driver Window Mux circuit is over 5.6 volts for over 100 ms.


Possible Causes
 
(Q221) (LHD) MASTER SWITCH LEFT FRONT WINDOW MUX CIRCUIT SHORT TO VOLTAGE
 
(Q222) (RHD) MASTER SWITCH RIGHT FRONT WINDOW MUX CIRCUIT SHORT TO VOLTAGE
 
DRIVER WINDOW/DOOR LOCK SWITCH
 
DRIVER DOOR MODULE
 




Diagnostic Test

1.TEST FOR INTERMITTENT CONDITION







Does the scan tool display B190F–DRIVER WINDOW SWITCH CIRCUIT HIGH?

Yes
  • Go To 2


No

2.DRIVER WINDOW/DOOR LOCK SWITCH SHORTED








Does the scan tool display B190F–DRIVER WINDOW SWITCH CIRCUIT HIGH?

No


Yes
  • Go to 3

3.(Q221) DRIVER EXPRESS SWITCH DRIVER WINDOW MUX CIRCUIT SHORT TO VOLTAGE








Is there any voltage present?

Yes


No