B1852–DRIVER WINDOW SWITCH STUCK – 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. Right Hand Drive (RHD) is similar.
- When Monitored:
Whenever the module is awake.
- Set Condition:
When the Driver Window Mux circuit is below 3.5 volts for over 30 seconds.
| Possible Causes |
| (Q221) (LHD) MASTER SWITCH LEFT FRONT WINDOW MUX CIRCUIT SHORT TO GROUND |
| (Q221) (LHD) MASTER SWITCH LEFT FRONT WINDOW MUX CIRCUIT SHORT TO THE (Q994) DRIVER EXPRESS SWITCH RETURN CIRCUIT |
| (Q222) (RHD) MASTER SWITCH RIGHT FRONT WINDOW MUX CIRCUIT SHORT TO GROUND |
| (Q221) (RHD) MASTER SWITCH RIGHT FRONT WINDOW MUX CIRCUIT SHORT TO THE (Q994) DRIVER EXPRESS SWITCH RETURN CIRCUIT |
| WINDOW/DOOR LOCK SWITCH SHORT TO GROUND |
| DRIVER DOOR MODULE (DDM) |
Diagnostic Test
1.TEST FOR INTERMITTENT CONDITIONDoes the scan tool display B1852–DRIVER WINDOW SWITCH STUCK?
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 SWITCH SHORTED
Does the scan tool display B1852–DRIVER WINDOW SWITCH CIRCUIT STUCK?
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) MASTER SWITCH LEFT FRONT WINDOW MUX CIRCUIT SHORT TO GROUND
Is the resistance below 10000.0 ohms?
Yes
- Repair the (Q221) Master Switch Left Front Window Mux circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
Yes
- Go To 4
4.(Q221) MASTER SWITCH LEFT FRONT WINDOW MUX CIRCUIT SHORT TO (Q994) DRIVER EXPRESS SWITCH RETURN CIRCUIT
Is the resistance below 10000.0 ohms?
Yes
- Repair the (Q221) Master Switch Left Front Window Mux circuit for a short to the (Q994) Driver Express Switch Return circuit.
- 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)