B1911-PASSENGER WINDOW SWITCH CIRCUIT LOW - PDM
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
Continuously
- Set Condition:
When the Passenger Express Switch Driver Window Mux circuit is under 4.4 volts for over 100 ms.
| Possible Causes |
| (Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT SHORT TO GROUND |
| (Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT SHORTED TO THE (Q936) PASSENGER WINDOW EXPRESS SWITCH RETURN CIRCUIT |
| PASSENGER WINDOW/DOOR LOCK SWITCH |
| PASSENGER DOOR MODULE |
Diagnostic Test
1. TEST FOR INTERMITTENT CONDITIONWith 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 3 times.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display B1911–PASSENGER WINDOW SWITCH CIRCUIT LOW?
Yes
- Go To 2
No
- 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 TO GROUND
With the scan tool, erase DTC's.
Disconnect the Passenger Window/Door Lock Switch connector.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display B1911–PASSENGER WINDOW SWITCH CIRCUIT LOW?
No
- Replace the Passenger Window/Door Lock Switch.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
Yes
- Go to 3
3. (Q336) PASSENGER WINDOW EXPRESS SWITCH DRIVER MUX CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Passenger Door Module C2 connector.
Measure the resistance between ground and the (Q336) Passenger Window Express Switch Mux circuit in the Passenger Door Module C2 connector.
Is the resistance below 10000.0 ohms?
Yes
- Repair the (Q336) Passenger Window Express Switch Mux circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Go to 4
4. (Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT SHORT TO THE (Q936) PASSENGER WINDOW EXPRESS SWITCH RETURN CIRCUIT
Measure the resistance between the (Q336) Passenger Window Express Switch Mux circuit and the (Q936) Passenger Window Express Switch Return circuit in the Passenger Door Module C2 connector.
Is the resistance below 1000.0 ohms?
Yes
- Repair the (Q336) Passenger Window Express Switch Mux circuit for a short to the (Q936) Passenger Window Express Switch Return circuit.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the Driver Door Module in accordance with service information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)