B1852

B1852-DRIVER WINDOW SWITCH CIRCUIT STUCK - DDM





For a complete wiring diagram Refer to Diagrams/Electrical.

- When Monitored:

Whenever the module is awake.

- Set Condition:

When the Driver Window Driver Express Switch Mux circuit is below 3.5 volts for over 30 seconds.





Diagnostic Test

1.TEST FOR INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, record and erase DTC's

Operate the Driver Window Switch in all positions several times.

Wait 30 seconds.

With the scan tool, read DTC's.

Does the scan tool display B1852-DRIVER WINDOW SWITCH CIRCUIT STUCK?

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. Body Verification Test

2.DRIVER WINDOW SWITCH SHORTED





With the scan tool, erase DTC's.

Disconnect the Driver Window/Door Lock Switch C2 connector.

With the scan tool, read DTC's.

Does the scan tool display B1852-DRIVER WINDOW SWITCH CIRCUIT STUCK?

No

- Replace the Driver Express Window/Door Lock Switch.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

Yes

- Go To 3

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





Turn the ignition off.

Disconnect the Driver Door Module C2 connector.

Measure the resistance between ground and the (Q221) Driver Window Driver Express Switch Mux circuit.

Is the resistance below 10000.0 ohms?

Yes

- Repair the (Q221) Driver Window Driver Express Switch Mux circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

Yes

- Go To 4

4.(Q221) DRIVER WINDOW DRIVER EXPRESS SWITCH MUX CIRCUIT SHORT TO (Z421) DRIVER EXPRESS SWITCH RETURN CIRCUIT





Measure the resistance between the (Q221) Driver Window Driver Express Switch Mux circuit and the (Z421) Driver Express Switch Return circuit.

Is the resistance below 10000.0 ohms?

Yes

- Repair the (Q221) Driver Window Driver Express Switch Mux circuit for a short to the (Z421) Driver Express Switch Return circuit.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Replace the Driver Door Module.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test