FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

B1918







B1918-PASSENGER WINDOW CONTROL 2 CIRCUIT LOW - PDM





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 module is awake.

- Set Condition:
When the Passenger Window Express Down Driver circuit is grounded during a window down 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 Passenger Window up and down several times.
Wait 30 seconds.
With the scan tool, read DTC's.
Does the scan tool display B1918-PASSENGER WINDOW CONTROL 2 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 Passenger Window Motor connector.
Turn the ignition on.
Operate the passenger window switch up and down several times.
With the scan tool, read DTC's.
Does the scan tool display B1918-PASSENGER WINDOW CONTROL 2 CIRCUIT LOW?

No

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

Yes

- Go to 3

3. (Q322) PASSENGER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND




Turn the ignition off.
Disconnect the Passenger Door Module C1 connector.
Measure the resistance between Ground and the (Q322) Passenger Window Express Down Driver circuit.
Is the resistance below 1000.0 ohms?

Yes

- Repair the (Q322) Passenger Window Express Down Driver circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go to 4

4. (Q322) PASSENGER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO (Q312) PASSENGER WINDOW EXPRESS UP DRIVER CIRCUIT




Measure the resistance between the (Q322) Passenger Window Express Down Driver circuit and the (Q312) Passenger Window Express Up Driver circuit.
Is the resistance below 1000.0 ohms?

Yes

- Repair the (Q322) Passenger Window Express Down Driver circuit for a short to the (Q312) Passenger Window Express Up Driver circuit.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

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