B16A3

B16A3-11-PASSENGER WINDOW SWITCH BACKLIGHTING - CIRCUIT SHORT TO GROUND





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

- When Monitored:
Whenever the module is awake, the park lamps are on and the window lock out switch is on.

- Set Condition:
When the Passenger Window Switch Illumination Driver circuit falls below 3.0 volts for over 25 ms. and the above conditions are met, this code will set.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase the DTCs.
3. Ensure the passenger window lock out switch is on.
4. Turn the park lights on.
5. Wait 30 seconds.
6. With the scan tool, read the DTCs.

Does the scan tool display; B16A3-11-PASSENGER WINDOW SWITCH BACKLIGHTING - CIRCUIT SHORT TO GROUND?

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. WINDOW/DOOR LOCK SWITCH SHORTED




1. With the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Disconnect the Passenger Window/Door Lock Switch connector.
4. Ensure the passenger window lock out switch is on and the park lamps are still on.
5. Turn the ignition on.
6. With the scan tool, read the active DTCs.

Does the scan tool display B16A4-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT LOW?

Yes

- Go To 3

No

- Replace the Window/Door Lock Switch. Power Window Switch - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (E34) PASSENGER WINDOW SWITCH ILLUMINATION DRIVER CIRCUIT SHORTED TO GROUND




1. Turn the ignition off.
2. Turn the park lamps off.
3. Disconnect the Passenger Door Module C5 harness connector.
4. Measure the resistance between Ground and the (E34) Passenger Window Switch Illumination Driver circuit.

Is the resistance below 10,000 Ohms?

Yes

- Repair the (E34) Passenger Window Switch Illumination Driver circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 4

4. (E34) PASSENGER WINDOW SWITCH ILLUMINATION DRIVER CIRCUIT SHORTED TO THE (Q936) PASSENGER WINDOW SWITCH RETURN CIRCUIT




1. Measure the resistance between the (E34) Passenger Window Switch Illumination Driver circuit and the (Q936) Passenger Window Switch Return circuit.

Is the resistance below 10,000 Ohms?

Yes

- Repair the (E34) Passenger Window Switch Illumination Driver circuit for a short to the (Q936) Passenger Window Switch Return circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

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