B1914-DRIVER WINDOW CONTROL 2 CIRCUIT LOW - DDM
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
Whenever the module is awake.
- Set Condition:
When the Driver Window Express Down Driver circuit is grounded during a window down movement command, this code will set.
| Possible Causes |
| (Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND |
| (Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO THE (Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT |
| WINDOW MOTOR SHORTED |
| DRIVER DOOR MODULE (DDM) |
Diagnostic Test
1. TEST FOR INTERMITTENT CONDITIONTurn the ignition on.
With the scan tool, record and erase DTC's
Try to operate the Driver Window up and down several times.
Wait 30 seconds.
With the scan tool, read DTC's.
Does the scan tool display B1914–DRIVER WINDOW CONTROL 2 CIRCUIT LOW?
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. WINDOW MOTOR SHORTED
With the scan tool, erase DTC's.
Turn the ignition off.
Disconnect the Driver Window Motor connector.
Turn the ignition on.
Operate the driver window switch up and down several times.
With the scan tool, read DTC's.
Does the scan tool display B1914–DRIVER WINDOW CONTROL 2 CIRCUIT LOW?
No
- Replace the Window Motor in accordance with service information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
Yes
- Go To 3
3. (Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Driver Door Module C1 connector.
Measure the resistance between Ground and the (Q321) Driver Window Express Down Driver circuit.
Is the resistance below 1000.0 ohms?
Yes
- Repair the (Q321) Driver Window Express Down Driver circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Go TO 4
4. (Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO (Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT
Measure the resistance between the (Q321) Driver Window Express Down Driver circuit and the (Q311) Driver Window Express Up Driver circuit.
Is the resistance below 1000.0 ohms?
Yes
- Repair the (Q321) Driver Window Express Down Driver circuit for a short to the (Q311) Driver Window Express Up Driver 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)