DESCRIPTION
The power window regulator motor assembly LH (for driver door) is operated by the power window regulator master switch assembly. The power window regulator motor assembly LH (for driver door) has motor, regulator and ECU functions.
This DTC is stored when the ECU built into the regulator motor determines that the power window regulator master switch assembly is stuck.
DTC No. | DTC Detection Condition | Trouble Area |
---|---|---|
B2312 |
|
|
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
DTC B2312 is stored in the power window regulator motor assembly LH (for driver door) (power window ECU).
If a power window regulator motor assembly LH (for driver door) has been replaced with a new one, initialize the power window control system Click here.
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
CHECK DTC OUTPUT
Clear the DTC Click here.
Check for DTCs Click here.
OK |
---|
DTC B2312 is not output. |
NG |
READ VALUE USING TECHSTREAM (DRIVER DOOR WINDOW MOTOR) Click here |
OK |
END (DUE TO SWITCH BEING OPERATED FOR 20 SECONDS OR MORE)
READ VALUE USING TECHSTREAM (DRIVER DOOR WINDOW MOTOR)
Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Body Electrical / D-Door Motor / Data List.
Read the Data List according to the display on the Techstream.
Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
---|---|---|---|
D Door P/W Auto SW | Driver door power window auto switch signal / ON or OFF | ON: Driver door power window auto switch operated OFF: Driver door power window auto switch not operated |
- |
D Door P/W Up SW | Driver door power window manual up switch signal / ON or OFF | ON: Driver door power window manual up switch operated OFF: Driver door power window manual up switch not operated |
- |
D Door P/W Down SW | Driver door power window manual down switch signal / ON or OFF | ON: Driver door power window manual down switch operated OFF: Driver door power window manual down switch not operated |
- |
OK |
---|
On the Techstream screen, ON or OFF is displayed accordingly. |
NG |
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - POWER WINDOW REGULATOR MOTOR LH (FOR DRIVER DOOR)) Click here |
OK |
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (FOR DRIVER DOOR) Click here
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - POWER WINDOW REGULATOR MOTOR LH (FOR DRIVER DOOR))
Disconnect the K11 power window regulator master switch assembly connector.
Disconnect the K9 power window regulator motor assembly LH (for driver door) connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
Remove the power window regulator master switch assembly Click here.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
*a | Component without harness connected (Power Window Regulator Master Switch Assembly) |
NG |
REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Click here |
OK |
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (FOR DRIVER DOOR) Click here