DESCRIPTION
When the engine switch is on (IG), the rear power window regulator motor assembly RH is operated by the rear power window regulator switch assembly (for rear RH door). The rear power window regulator motor assembly RH has motor, regulator and ECU functions.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.
If the rear power window regulator motor assembly RH (for rear RH door) has been replaced with a new one, initialize the power window control system.
Check that the window lock switch is off before performing the following procedure.
Inspect the fuses for circuits related to this system before performing the following procedure.
If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*
*: w/ Door Control Battery
PROCEDURE
READ VALUE USING GTS (MAIN BODY)
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Communication RR-Door Motor | Connection status between power window regulator motor assembly RH (for rear RH door) and main body ECU (multiplex network body ECU) | STOP or OK | STOP: Communication stopped OK: Normal communication |
- |
| Tester Display |
|---|
| Communication RR-Door Motor |
| OK |
|---|
| On the GTS screen, OK is displayed. |
| Result | |||
|---|---|---|---|
|
| NG |
|
GO TO LIN COMMUNICATION SYSTEM Click here |
| OK |
|
READ VALUE USING GTS (RR-DOOR MOTOR)
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| RR Door P/W Up SW | Rear RH door power window manual up switch signal | OFF or ON | OFF: Rear RH door power window manual up switch not being operated ON: Rear RH door power window manual up switch being operated |
- |
| RR Door P/W Down SW | Rear RH door power window manual down switch signal | OFF or ON | OFF: Rear RH door power window manual down switch not being operated ON: Rear RH door power window manual down switch being operated |
- |
| Tester Display |
|---|
| RR Door P/W Up SW |
| RR Door P/W Down SW |
| OK |
|---|
| On the GTS screen, ON or OFF is displayed accordingly. |
| Result | |||
|---|---|---|---|
|
| NG |
|
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR RH DOOR) Click here |
| OK |
|
PERFORM ACTIVE TEST USING GTS (RR-DOOR MOTOR)
Perform the Active Test according to the display on the GTS.
CAUTION:
Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function will not operate.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Power Window | Power window | OFF / DOWN / UP | - |
| Tester Display |
|---|
| Power Window |
Tech Tips
Up and down movement does not occur if the arrow is not pressed and held.
| OK |
|---|
| Rear RH power window operates normally. |
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| A |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| B |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| C |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR RH DOOR)
Remove the rear power window regulator switch assembly (for rear RH door).
Inspect the rear power window regulator switch assembly (for rear RH door).
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR RH DOOR) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY [FOR REAR RH DOOR] - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH AND BODY GROUND)
Disconnect the N1 power window regulator switch assembly (for rear RH door) connector.
Disconnect the N2 rear power window regulator motor assembly RH connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |