B1854

B1854-DRIVER WINDOW MOTOR CONTROL CIRCUIT LOW





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Whenever the module is awake.

- Set Condition:
When both Driver Window Driver circuits (Up and Down) are grounded during a window movement command, this code will set.





1. TEST FOR INTERMITTENT CONDITION

NOTE: This test shows text for a Left Hand Drive (LHD) vehicle. Right Hand Drive (RHD) vehicles use the same cavities. Refer to the schematic for different names and circuit numbers.

1. Turn the ignition on.
2. With the scan tool, record and erase DTCs
3. Try to operate the Driver Window up and down several times.
4. Wait 30 seconds.
5. With the scan tool, read DTCs.

Does the scan tool display B1854-DRIVER WINDOW MOTOR CONTROL 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 the BODY VERIFICATION TEST. Body Verification Test.

2. WINDOW MOTOR SHORTED




1. With the scan tool, erase DTC's.
2. Turn the ignition off.
3. Disconnect the Driver Window Motor connector.
4. Turn the ignition on.
5. Operate the driver window switch up and down several times.
6. With the scan tool, read DTC's.

Does the scan tool display B1854-DRIVER WINDOW MOTOR CONTROL CIRCUIT LOW?

No

- Replace the Driver Window Motor.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

Yes

- Go To 3

3. (Q321) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the Driver Door Module C4 connector.
3. Measure the resistance between Ground and the (Q321) Left Front Window Express Down Driver circuit.

Is the resistance below 1,000 ohms?

Yes

- Repair the (Q321) Left Front Window Express Down Driver circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 4

4. (Q311) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND




1. Measure the resistance between Ground and the (Q311) Left Front Window Express Up Driver circuit.

Is the resistance below 1,000 ohms?

Yes

- Repair the (Q311) Left Front Window Express Up Driver circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 5

5. (Q321) LEFT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO (Q311) LEFT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT




1. Measure the resistance between the (Q321) Left Front Window Express Down Driver circuit and the (Q311) Driver Window Express Up Driver circuit.

Is the resistance below 1,000 ohms?

Yes

- Repair the (Q321) Left Front Window Express Down Driver circuit for a short to the (Q311) Left Front Window Express Up Driver circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

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