B1863

B1863-PASSENGER WINDOW POSITION SENSOR POWER SUPPLY LOW





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

- When Monitored:
Whenever the module is awake.

- Set Condition:
When the Passenger Window Hall Sensor Supply circuit falls below 0.8 volt for over 480 ms., this code will set.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION

NOTE: Make sure the battery voltage and charging system are within specifications before proceeding.

1. Turn the ignition on.
2. With the scan tool, erase all DTCs.
3. Operate the Passenger Window up and down several times.
4. Wait 30 seconds.
5. With the scan tool, read the active DTCs.

Does the scan tool display this DTC?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. PASSENGER WINDOW MOTOR SHORTED




1. With the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Disconnect the Passenger Window Motor harness connector.
4. Turn the ignition on.
5. Operate the Passenger Window Switch up and down several times.
6. With the scan tool, read the active Door Module DTCs.

Does the scan tool display B1863-PASSENGER WINDOW POSITION SENSOR POWER SUPPLY LOW?

Yes

- Go To 3

No

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

3. (Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORTED TO GROUND




1. Turn the ignition off.
2. Disconnect the Passenger Door Module C4 harness connector.
3. Measure the resistance between ground and the (Q306) Passenger Window Hall Sensor Supply circuit.

Is the resistance above 10k Ohms?

Yes

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

No

- Repair the short to ground in the (Q306) Passenger Window Hall Sensor Supply circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.