B190F-DRIVER WINDOW SWITCH CIRCUIT HIGH-DDM
For a complete wiring diagram Refer to Section 8W.
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.
| Possible Causes |
| (Q221) (LHD) MASTER SWITCH LEFT FRONT WINDOW MUX CIRCUIT SHORT TO VOLTAGE |
| (Q222) (RHD) MASTER SWITCH RIGHT FRONT WINDOW MUX CIRCUIT SHORT TO VOLTAGE |
| DRIVER WINDOW/DOOR LOCK SWITCH |
| DRIVER DOOR MODULE |
Diagnostic Test
1. TEST FOR INTERMITTENT CONDITIONWith the scan tool, record and erase DTC's
Operate the Driver Window Switch in both positions several times.
Cycle the ignition from on to off.
Turn the ignition on.
With the scan tool, read DTC's.
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 BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2. DRIVER WINDOW/DOOR LOCK SWITCH SHORTED
With the scan tool, erase DTC's.
Disconnect the Driver Window/Door Lock Switch C2 connector.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display B190F–DRIVER WINDOW SWITCH CIRCUIT HIGH?
No
- Replace the Driver Window/Door Lock Switch.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
Yes
- Go to 3
3. (Q221) DRIVER EXPRESS SWITCH DRIVER WINDOW MUX CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Driver Door Module C2 connector.
Turn the ignition on.
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 BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the Driver Door Module in accordance with service information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)