B1912–PASSENGER WINDOW SWITCH CIRCUIT HIGH–PDM

For a complete wiring diagram Refer to Section 8W.

When Monitored:
Continuously
Set Condition:
When the Passenger Window Express Switch Mux circuit is over 5.6 volts for over 100 ms.

Possible Causes

(Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT SHORT TO VOLTAGE

PASSENGER WINDOW/DOOR LOCK SWITCH

PASSENGER DOOR MODULE

1.TEST FOR INTERMITTENT CONDITION

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

Yes

The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

2.PASSENGER WINDOW/DOOR LOCK SWITCH SHORTED

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

No

Replace the Passenger Window/Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

Yes

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

Is there any voltage present?

Yes

Repair the (Q336) Passenger Window Express Switch Mux circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

Replace the Passenger Door Module in accordance with service information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)