B16A5

B16A5-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT HIGH

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

- When Monitored:
Whenever the power is turned off to the module and it goes from awake to sleep mode.

- Set Condition:
When the Passenger Window Express Switch Illumination Driver circuit is above 2.5 volts for over 15 ms. and the switch illumination output is turned off.

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

Does the scan tool display B16A5-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT HIGH?

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 the BODY VERIFICATION TEST. Body Verification Test

2. WINDOW/DOOR LOCK SWITCH SHORTED

1. With the scan tool, erase DTCs.
2. Turn the ignition off.
3. Disconnect the Passenger Window/Door Lock Switch connector.
4. Turn the ignition on.
5. Operate the passenger window lock out switch several times.
6. With the scan tool, read DTCs.

Does the scan tool display B16A5-PASSENGER WINDOW SWITCH BACKLIGHTING CIRCUIT HIGH?

No

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

Yes

- Go To 3

3. (E34) PASSENGER WINDOW EXPRESS SWITCH ILLUMINATION DRIVER CIRCUIT SHORT TO VOLTAGE

1. Turn the ignition off.
2. Disconnect the Passenger Door Module C5 connector.
3. Turn the ignition on.
4. Measure the voltage between the (E34) Passenger Window Express Switch Illumination Driver circuit and Ground.

Is there any voltage present?

Yes

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

No

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