DESCRIPTION
If the manual up/down function does not operate, there may be a malfunction in the multiplex network master switch, power window regulator motor, harness or connector.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CHECK LIN COMMUNICATION SYSTEM
Check for LIN communication system DTCs related to the power window control system Click here.
| OK |
|---|
| LIN communication system DTCs are not output. |
| NG |
|
GO TO LIN COMMUNICATION SYSTEM Click here |
| OK |
|
CHECK FOR DTC (B2312)
Check if DTC B2312 is output Click here.
| OK |
|---|
| DTC B2312 is not output. |
| NG |
|
GO TO DTC B2312 Click here |
| OK |
|
READ VALUE USING INTELLIGENT TESTER (POWER WINDOW REGULATOR MOTOR)
Use the Data List to check if the power window regulator motor is functioning properly Click here.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| D Door P/W Up SW | Driver side power window manual up signal / ON or OFF | ON: Driver side power window manual up switch operated OFF: Driver side power window switch not operated |
- |
| D Door P/W Down SW | Driver side power window manual down signal / ON or OFF | ON: Driver side power window manual down switch operated OFF: Driver side power window switch not operated |
- |
| OK |
|---|
| The display changes according to operation of the multiplex network master switch. |
| Result | Proceed to |
|---|---|
| NG | A |
| OK (for LHD) | B |
| OK (for RHD) | C |
| B |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| C |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND)
Disconnect the I11*1 or I22*2 switch connector.
Tech Tips
*1: for LHD
*2: for RHD
Measure the voltage and resistance according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
||||||
|
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
||||||
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR - BATTERY AND BODY GROUND)
Disconnect the I12*1 or I4*2 motor connector.
Tech Tips
*1: for LHD
*2: for RHD
Measure the voltage and resistance according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
||||||
|
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
||||||
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH - FRONT POWER WINDOW REGULATOR MOTOR)
Disconnect the I11*1 or I22*2 switch connector.
Tech Tips
*1: for LHD
*2: for RHD
Disconnect the I12*1 or I4*2 motor connector.
Tech Tips
*1: for LHD
*2: for RHD
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||
|
|||||||||||||||
|
| B |
|
INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| C |
|
INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| A |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
Remove the motor Click here.
Apply positive (+) battery voltage to connector terminal 2 (B).
Note
Do not apply positive (+) battery voltage to any terminals, except terminal 2 (B), to avoid damaging the pulse sensor inside the motor.
Reset the power window regulator motor (initialize the pulse sensor) after installing the power window regulator motor and regulator assembly onto the door.
Apply negative (-) battery voltage to connector terminals 1 (GND), and 7 (DOWN) or 10 (UP).
Check that the motor gear rotates smoothly as follows.
| OK | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| OK |
|
REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Click here
INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
Remove the motor Click here.
Apply positive (+) battery voltage to connector terminal 2 (B).
Note
Do not apply positive (+) battery voltage to any terminals, except terminal 2 (B), to avoid damaging the pulse sensor inside the motor.
Reset the power window regulator motor (initialize the pulse sensor) after installing the power window regulator motor and regulator assembly onto the door.
Apply negative (-) battery voltage to the connector terminals 1 (GND), and 7 (DOWN) or 10 (UP).
Check that the motor gear rotates smoothly as follows.
| OK | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| OK |
|
REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Click here