FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B1854







B1854-DRIVER WINDOW CONTROL CIRCUIT LOW - DDM





For a complete wiring diagram Consult Diagrams/Electrical.

NOTE: Even though the JS27 (Convertible) is not equipped with the Express (AUTO) Up feature, the front window circuits are still referred to as "EXPRESS".

- When Monitored:
Whenever the window motor is operating.

- Set Condition:
When the Driver Window Express Up Driver circuit is grounded during a window movement command, this code will set.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC's
Try to operate the Driver Window up and down several times.
Wait 30 seconds.
With the scan tool, read DTC's.
Does the scan tool display B1854-DRIVER WINDOW 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 BODY VERIFICATION TEST - VER 1.Body Verification Test

2. WINDOW MOTOR SHORTED




With the scan tool, erase DTC's.
Turn the ignition off.
Disconnect the Driver Window Motor connector.
Turn the ignition on.
Operate the driver window switch up and down several times.
With the scan tool, read DTC's.
Does the scan tool display B1854-DRIVER WINDOW CONTROL CIRCUIT LOW?

No

- Replace the Window Motor.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

Yes

- Go to 3

3. (Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND




Turn the ignition off.
Disconnect the Driver Door Module C1 connector.
Measure the resistance between Ground and the (Q311) Driver Window Express Up Driver circuit.
Is the resistance below 1000.0 ohms?

Yes

- Repair the (Q311) Driver Window Express Up Driver circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go to 4

4. (Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO (Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT




Measure the resistance between the (Q321) Driver Window Express Down Driver circuit and the (Q311) Driver Window Express Up Driver circuit.
Is the resistance below 1000.0 ohms?

Yes

- Repair the (Q321) Driver Window Express Down Driver circuit for a short to the (Q311) Driver Window Express Up Driver 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