B1861
B1861-PASSENGER WINDOW MOTOR CONTROL CIRCUIT OPEN - PDM
For a complete wiring diagram refer to Diagrams/Electrical.
- When Monitored:
Whenever the module is awake.
- Set Condition:
When one or both Passenger Window Driver circuits (Up and Down) are not supplied with voltage, when they should be, during a window movement command for more than five ms., this code will set.
Diagnostic Test
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 difference names and circuit numbers.
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 B1861-PASSENGER WINDOW MOTOR CONTROL CIRCUIT OPEN?
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 OR CIRCUIT OPEN
Turn the ignition off.
Disconnect the Passenger Express Window Motor connector.
Connect a test light between the (Q312) Right Front Window Express Up Driver circuit and the (Q322) Right Front Window Express Down Driver circuit
Turn the ignition on.
Operate the driver window switch up and down several times while observing the test light.
Does the test light illuminate brightly when the switch is pressed in both directions?
Yes
- Replace the Passenger Window Motor (regulator).
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
No
- Go To 3
3. (Q322) RIGHT FRONT WINDOW EXPRESS DOWN DRIVER CIRCUIT OPEN
Turn the ignition off.
Disconnect the Passenger Door Module C4 connector.
Measure the resistance of the (Q322) Right Front Window Express Down Driver circuit between the C4 module connector and the motor connector.
Is the resistance below 2.0 ohms?
No
- Repair the (Q322) Right Front Window Express Down Driver circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
Yes
- Go To 4
4. (Q312) RIGHT FRONT WINDOW EXPRESS UP DRIVER CIRCUIT OPEN
Measure the resistance of the (Q312) Right Front Window Express Up Driver circuit between the C4 module connector and the motor connector.
Is the resistance below 2.0 ohms?
No
- Repair the (Q312) Right Front Window Express Up Driver circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
Yes
- Replace the Passenger Door Module.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test