B190F

B190F-DRIVER WINDOW SWITCH CIRCUIT HIGH





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

Theory of Operation

This test shows graphics, circuit numbers and text for a Left Hand Drive (LHD) vehicle. For a Right Hand Drive (RHD) vehicle, refer to the schematic for the different circuit numbers, cavities and names.

- When Monitored:
Continuously

- Set Condition:
When the Driver Express Switch Driver Window Mux circuit is over 5.6 volts for over 100 ms.





1. TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase the DTCs.
2. Operate the Driver Window Switch in both positions several times.
3. Cycle the ignition from on to off.
4. Turn the ignition on.
5. With the scan tool, read the active DTCs.

Does the scan tool display B190F-DRIVER WINDOW SWITCH 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. DRIVER WINDOW/DOOR LOCK SWITCH SHORTED




1. With the scan tool, erase the DTCs.
2. Disconnect the Driver Window/Door Lock Switch C2 connector.
3. Turn the ignition on.
4. With the scan tool, read the active DTCs.

Does the scan tool display B190F-DRIVER WINDOW SWITCH CIRCUIT HIGH?

No

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

Yes

- Go To 3

3. (Q221) DRIVER EXPRESS SWITCH DRIVER WINDOW MUX CIRCUIT SHORT TO VOLTAGE




1. Turn the ignition off.
2. Disconnect the Driver Door Module C2 connector.
3. Turn the ignition on.
4. Measure the voltage between ground and the (Q221) Driver Express Switch Driver Window Mux circuit in the Driver Door Module C2 connector.

Is there any voltage present?

Yes

- Repair the (Q221) Driver Express Switch Driver Window Mux circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

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