DESCRIPTION
If the manual up/down function does not operate, there may be a malfunction in the front power window regulator switch, front power window regulator motor RH*1, LH*2, harness or connector.
*1: for LHD
*2: for RHD
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
Inspect the fuses and relays for circuits related to this system before performing the following inspection procedure.
If the power window regulator motor assembly has been replaced with a new one, initialize the power window control system Click here.
If the power window regulator motor assembly and door window regulator sub-assembly have been removed and installed, or if the power window regulator motor assembly was reused when a door glass or door glass run was replaced, initialize the power window control system Click here.
Tech Tips
Since the power window control system has functions that use LIN communication, first confirm that there is no malfunction in the communication system by inspecting the LIN communication functions in accordance with the "How to Proceed with Troubleshooting" procedures. Then, conduct the following inspection procedure.
PROCEDURE
READ VALUE USING GTS (P DOOR P/W SW)
Use the Data List to check if the front power window regulator motor RH*1, LH*2 is functioning properly Click here.
*1: for LHD
*2: for RHD
Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
---|---|---|---|
P Door P/W Up SW | Front passenger side power window manual up signal / ON or OFF | ON: Front power window switch RH manual up operated OFF: Front power window switch RH not operated |
- |
P Door P/W Down SW | Front passenger side power window manual down signal / ON or OFF | ON: Front power window switch RH manual down operated OFF: Front power window switch RH not operated |
- |
OK |
---|
On GTS screen, each item changes between ON and OFF according to above chart. |
Result | Proceed to |
---|---|
OK (for LHD) | A |
OK (for RHD) | B |
NG | C |
B |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
C |
INSPECT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here |
A |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here
INSPECT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY
Remove the front power window regulator switch assembly Click here.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Result | Proceed to |
---|---|
OK (for LHD) | A |
OK (for RHD) | B |
NG | C |
B |
CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH) Click here |
C |
REPLACE FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here |
A |
CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)
Disconnect the Q9 front power window regulator switch assembly connector.
Disconnect the Q2 front power window regulator motor assembly RH connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU RH - BATTERY AND BODY GROUND)
*a | Front view of wire harness connector (to Front Multiplex Network Door ECU RH) |
Disconnect the front multiplex network door ECU RH connector.
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 SWITCH ASSEMBLY - FRONT MULTIPLEX NETWORK DOOR ECU RH)
Disconnect the Q9 front power window regulator switch assembly connector.
Disconnect the Q4 front multiplex network door ECU RH connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH - FRONT MULTIPLEX NETWORK DOOR ECU RH)
Disconnect the Q2 front power window regulator motor assembly RH connector.
Disconnect the Q4 front multiplex network door ECU RH connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH
Measure the voltage according to the value(s) in the table below.
Tech Tips
Check from the rear of the connector while it is connected to the front multiplex network door ECU RH.
*a | Component with harness connected (Front Multiplex Network Door ECU RH) |
- | - |
Standard Voltage | ||||||
---|---|---|---|---|---|---|
|
NG |
REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here |
OK |
INSPECT FRONT DOOR MULTIPLEX NETWORK DOOR ECU RH
Remove the front multiplex network door ECU RH Click here.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
NG |
REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here |
OK |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here
CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
Disconnect the Q24 front power window regulator switch assembly connector.
Disconnect the Q17 front power window regulator motor assembly LH connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU LH - BATTERY AND BODY GROUND)
*a | Front view of wire harness connector (to Front Multiplex Network Door ECU LH) |
Disconnect the front multiplex network door ECU LH connector.
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 SWITCH ASSEMBLY - FRONT MULTIPLEX NETWORK DOOR ECU LH)
Disconnect the Q24 front power window regulator switch assembly connector.
Disconnect the Q19 front multiplex network door ECU LH connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH - FRONT MULTIPLEX NETWORK DOOR ECU LH)
Disconnect the Q17 front power window regulator motor assembly LH connector.
Disconnect the Q19 front multiplex network door ECU LH connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH
Measure the voltage according to the value(s) in the table below.
Tech Tips
Check from the rear of the connector while it is connected to the front multiplex network door ECU LH.
*a | Component with harness connected (Front Multiplex Network Door ECU LH) |
- | - |
Standard Voltage | ||||||
---|---|---|---|---|---|---|
|
NG |
REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here |
OK |
INSPECT FRONT MULTIPLEX NETWORK DOOR ECU LH
Remove the front multiplex network door ECU LH Click here.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
NG |
REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here |
OK |
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here