Power Window Control System - Diagnostics: Diagnosis Lexus GX J120

HOW TO PROCEED WITH TROUBLESHOOTING

HINT

Troubleshoot in accordance with the procedures on the following references.

1. VEHICLE BROUGHT TO WORKSHOP Go to next step.
2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK (See «CUSTOMER PROBLEM ANALYSIS CHECK»(ref-228766-S00815896112006041100000) ) Go to next step.
3. DTC CHECK (See «DIAGNOSTIC TROUBLE CODE TABLE»(ref-228766-S33755246062006041100000) ) Check for DTCs and make a note of the code that is output. Delete the DTC. Check if the DTC is output once again when the problem symptom is simulated based on the noted code. With an output of the code, proceed to A . Without an output of the code, proceed to B . Go to step 6 . Go to next step.
4. See «PROBLEM SYMPTOMS TABLE»(ref-228766-S08396276882006041100000) Go to next step.
5. PERFORM TROUBLESHOOTING See «PRE-CHECK»(ref-228766-S31294163532006041100000) (See «CIRCUIT DESCRIPTION - DTC B1221: POWER WINDOW SWITCH CIRCUIT ON DRIVER DOOR»(ref-228766-S31313245762006041100000) - «CIRCUIT DESCRIPTION - REMOTE UP/DOWN FUNCTION DOES NOT OPERATE»(ref-228766-S20582493832006041100000) ) Go to next step.
6. ADJUST, REPAIR OR REPLACE Go to next step.
7. RESET POWER WINDOW MOTOR If any of the power window switch illuminations is blinking, reset the power window for the switch with the blinking illumination. Turn the ignition switch ON. Open the door glass. Fully pull up the power window switch until the door glass is fully closed. Continue to hold the switch 1 second or more even after the door glass is fully closed. Check that the AUTO UP/DOWN function operates completely. END

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1. CHECK WINDOW LOCK SWITCH Check that operation of the door glasses except the driver side door glass and the roof glass is disabled when the window lock switch of the power window master switch is pressed. Check that the door glasses and the roof glass can be operated when the window lock switch is pressed again.
2. CHECK MANUAL UP/DOWN FUNCTION Check that the driver side power window operates as follows. Standard: Check that the power windows except the driver side power window operate as follows. Standard
3. CHECK AUTO UP/DOWN FUNCTION Check that the driver side power window operates as follows. Standard: Check that the power windows except the driver side power window operate as follows. Standard
4. CHECK REMOTE MANUAL UP/DOWN FUNCTION Check that the power windows except the driver side power window operate as follows. Standard
5. CHECK REMOTE AUTO UP/DOWN FUNCTION Check that the power windows except the driver side power window operate as follows. Standard
6. CHECK MANUAL UP/DOWN FUNCTION VIA DRIVER SIDE DOOR LOCK KEY CYLINDER Check that all door glasses and sliding roof operate as follows, when the key is inserted into the key cylinder. Standard
7. CHECK MANUAL DOWN FUNCTION VIA TRANSMITTER Check that all door glasses and sliding roof operate as follows, when operating the transmitter. Standard
8. CHECK POWER WINDOW OPERATION FUNCTION AFTER IGNITION OFF When both of the following conditions are fulfilled, check that the door glasses, the back door glass and the sliding roof can be operated even after the ignition switch is turned OFF: Within 45 seconds after the ignition switch is turned OFF. All the doors are closed.
9. CHECK JAM PROTECTION HINT: The jam protection function prevents any part of your body from getting caught by accident between the door frame and the door glass during power window operation. Check that the door glass goes down by approximately 50 mm (2.0 in.) right when something gets caught between the door frame and the door glass during power window operation. However, when the opening between the door frame and the door glass is less than 200 mm (7.9 in.), the door glass keeps going down until the opening reaches 200 mm (7.9 in.) and stops there. Operative condition: AUTO UP AUTO UP function after the ignition switch is turned OFF MANUAL UP function after the ignition switch is turned OFF MANUAL UP function via the driver side door lock key cylinder
10. CHECK POWER WINDOW FAIL-SAFE FUNCTION HINT: If there is a malfunction in the power window system, some of the power window functions will be disabled. Driver side power window: Power windows except driver side power window
11. CHECK SWITCH CONDITION WITH HAND-HELD TESTER HINT: DTC B1221 is output when switches of the power window master switch are on. When these switches are off, DTC B1221 is not output. Using this DTC, you can check whether these switches are normal or not.
12. CHECK DATA LIST WITH HAND-HELD TESTER HINT: According to the DATA LIST displayed by the hand-held tester, you can read the value of the switch, sensor, actuator, etc. without parts removal. Reading the DATA LIST as the first step of troubleshooting is one way to shorten labor time. DATA LIST in D-DOOR ECU: DATA LIST in D-DOOR ECU Measurement Item Label Parameter Driver switch on master switch P/W AUTO SW ON/OFF Passenger switch on master switch P P/W AUTO SW ON/OFF Rear RH switch on master switch RR P/W AUTO SW ON/OFF Rear LH switch on master switch RL P/W AUTO SW ON OFF Door glass position (Fully closed - 1/4 open) GLASS POS-1/4 CAUTION/OK* Door glass position (1/4 open - 2/4 open) GLASS POS-2/4 CAUTION/OK* Door glass position (2/4 open - 3/4 open) GLASS POS-3/4 CAUTION/OK* Door glass position (3/4 open - Fully opened) GLASS POS-OPEN CAUTION/OK* HINT: *CAUTION is displayed even when no resistance is applied in each position. In this case there must be something caught somewhere in that position.
13. CHECK ACTIVE TEST WITH HAND-HELD TESTER HINT: Performing the ACTIVE TEST using the hand-held tester allows you to operate the relay, VSV, actuator, etc. without parts removal. Performing the ACTIVE TEST as the first step of trouble shooting is one way to shorten labor time. It is possible to display the DATA LIST during the ACTIVE TEST. ACTIVE TEST in D-DOOR ECU: ACTIVE TEST in D-DOOR ECU Operation Item Label Operation Driver side power window UP/DOWNP P/W UP/DOWN UP/DOWN ACTIVE TEST in BODY ECU: ACTIVE TEST in BODY ECU Operation Item Label Operation Passenger side power window U P/DOWN P P/W UP/DOWN U P/DOWN Rear LH power window U P/DOWN RL P/W UP/DOWN UP/DOWN Rear RH power window UP/DOWNRR RR P/W UP/DOWN UP/DOWN

CIRCUIT DESCRIPTION

DTC B1221 is output when switches of the power window master switch are on. When these switches are off, DTC B1221 is not output. Using DTC B1221, you can check whether these switches are normal or not.

DTC DETECTION CONDITION TROUBLE AREA TABLE

INSPECTION PROCEDURE

1. REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY

The power window master switch monitors the condition of the power window motor to detect the position of the door glass by using pulse signals output from the 2 pulse sensors in the power window motor.

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Refer to INSPECTION PROCEDURE .

If the AUTO UP/DOWN function does not operate, any of the following troubles may be the cause

1. When the battery terminal and the connectors of the power window switches are disconnected, the power window memory of the fully closed position which is recorded in the power window switch in each door is erased.
2. The pulse sensor in the power window motor has a malfunction.
3. There is an open or short circuit in the wiring between the power window switch and the corresponding power window motor.
4. The power window switch has a malfunction.

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1. CHECK MANUAL UP/DOWN FUNCTION (DRIVER SIDE) Check that the door glass can be operated manually. NG: OTHER PROBLEM (See «MANUAL UP/DOWN FUNCTION DOES NOT OPERATE AT DRIVER SIDE»(ref-228766-S33840961422006041100000) ) OK: Go to next step.
2. CHECK ILLUMINATION OF POWER WINDOW MASTER SWITCH Turn the ignition switch ON. Operate the driver switch of the master switch. Check the blinking pattern of the illumination (Scheme 17) If pattern (1) is displayed, proceed to A. If pattern (2) or (3) is displayed, proceed to B. If the normal pattern is displayed, proceed to C. B: Go to step 4. C: REPLACE POWER WINDOW REGULATOR/MASTER SWITCH ASSY A: Go to next step.
3. RESET POWER WINDOW REGULATOR MOTOR (DRIVER SIDE) Turn the ignition switch ON. Open the door glass. Fully pull up the power window switch until the door glass is fully closed. Continue to hold the switch 1 second or more even after the door glass is fully closed. Check that the AUTO UP/DOWN function operates completely. OK: END NG: Go to next step.
4. CHECK WIRE HARNESS (MASTER SWITCH <==> MOTOR)

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1. Remove the driver side door trim board (See «OVERHAUL»(ref-228811-S12836174562006041100000) ).
2. Disconnect the D18 master switch connector.
3. Disconnect the P10 power window motor connector.
4. Check the continuity between the wire harness side connectors. Standard: MASTER SWITCH TO MOTOR CONTINUITY Terminal No. Specified Condition D18-19 <==> P10-4 Continuity D18-5 <==> P10-5 Continuity D18-15 <==> P10-3 Continuity D18-12 <==> P10-6 Continuity D18-5 <==> Body ground No continuity D18-12 <==> Body ground No continuity D18-15 <==> Body ground No continuity D18-19 <==> Body ground No continuity

1. NG: repair OR replace harness and connector
2. OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH (DRIVER SIDE)

If the AUTO UP/DOWN function does not operate, any of the following troubles may be the cause

1. When the battery terminal and the connectors of the power window switches are disconnected, the power window memory of the fully closed position which is recorded in the power window switch in each door is erased.
2. The pulse sensor in the power window motor has a malfunction.
3. There is an open or short circuit in the wiring between the power window switch and the corresponding power window motor.
4. The power window switch has a malfunction.

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1. CHECK MANUAL UP/DOWN FUNCTION (PASSENGER SIDE) Check that the door glass can be operated manually. NG: OTHER PROBLEM (See «MANUAL UP/DOWN FUNCTION DOES NOT OPERATE AT PASSENGER SIDE»(ref-228766-S35255697542006041100000) ) OK: Go to next step.
2. CHECK ILLUMINATION OF POWER WINDOW SWITCH (PASSENGER SIDE) Turn the ignition switch ON. Operate the power window switch. Check the blinking pattern of the illumination (Scheme 21) If pattern (1) is displayed, proceed to A. If pattern (2) or (3) is displayed, proceed to B. If the normal pattern is displayed, proceed to C. B: Go to step 4. C: REPLACE POWER WINDOW REGULATOR/SWITCH ASSY (PASSENGER SIDE) A: Go to next step.
3. RESET POWER WINDOW REGULATOR MOTOR (PASSENGER SIDE) Turn the ignition switch ON. Open the door glass. Fully pull up the power window switch until the door glass is fully closed. Continue to hold the switch 1 second or more even after the door glass is fully closed. Check that the AUTO UP/DOWN function operates completely. OK: END NG: Go to next step.
4. CHECK WIRE HARNESS (SWITCH <==> MOTOR) Remove the passenger side door trim board (See «OVERHAUL»(ref-228811-S12836174562006041100000) ). Disconnect the P7 power window switch connector. Disconnect the P11 power window motor connector. Check the continuity between the wire harness side connectors. Standard: SWITCH TO MOTOR CONTINUITY Terminal No. Specified Condition P7-5 <==>P11-4 Continuity P7-3 <==>P11-5 Continuity P7-4 <==>P11-3 Continuity P7-8 <==>P11-6 Continuity P7-3 <==> Body ground No continuity P7-4 <==> Body ground No continuity P7-5 <==> Body ground No continuity P7-8 <==> Body ground No continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY RH (PASSENGER SIDE)

If the AUTO UP/DOWN function does not operate, any of the following troubles may be the cause

1. When the battery terminal and the connectors of the power window switches are disconnected, the power window memory of the fully closed position which is recorded in the power window switch in each door is erased.
2. The pulse sensor in the power window motor has a malfunction.
3. There is an open or short circuit in the wiring between the power window switch and the corresponding power window motor.
4. The power window switch has a malfunction.

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1. CHECK MANUAL UP/DOWN FUNCTION (REAR LH) Check that the door glass can be operated manually. NG: OTHER PROBLEM (See «MANUAL UP/DOWN FUNCTION DOES NOT OPERATE AT REAR LH»(ref-228766-S12909174302006041100000) ) OK: Go to next step.
2. CHECK ILLUMINATION OF POWER WINDOW SWITCH (REAR LH) Turn the ignition switch ON. Operate the power window switch. Check the blinking pattern of the illumination (Scheme 25) If pattern (1) is displayed, proceed to A. If pattern (2) or (3) is displayed, proceed to B. If the normal pattern is displayed, proceed to C. B: Go to step 4. C: REPLACE POWER WINDOW REGULATOR/SWITCH ASSY REAR (REAR LH) A: Go to next step.
3. RESET POWER WINDOW REGULATOR MOTOR (REAR LH) Turn the ignition switch ON. Open the door glass. Fully pull up the power window switch until the door glass is fully closed. Continue to hold the switch 1 second or more even after the door glass is fully closed. Check that the AUTO UP/DOWN function operates completely. OK: END NG: Go to next step.
4. CHECK WIRE HARNESS (SWITCH <==> MOTOR) Remove the rear LH side door trim board (See «OVERHAUL»(ref-228811-S42066552342006041100000) ). Disconnect the P8 power window switch connector. Disconnect the P12 power window motor connector. Check the continuity between the wire harness side connectors. Standard: SWITCH TO MOTOR CONTINUITY Terminal No. Specified Condition P8-5 <==> P12-4 Continuity P8-3 <==> P12-3 Continuity P8-4 <==> P12-5 Continuity P8-8 <==> P12-6 Continuity P8-3 <==> Body ground No continuity P8-4 <==> Body ground No continuity P8-5 <==> Body ground No continuity P8-8 <==> Body ground No continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH (REAR LH SIDE)

If the AUTO UP/DOWN function does not operate, any of the following troubles may be the cause

1. When the battery terminal and the connectors of the power window switches are disconnected, the power window memory of the fully closed position which is recorded in the power window switch in each door is erased.
2. The pulse sensor in the power window motor has a malfunction.
3. There is an open or short circuit in the wiring between the power window switch and the corresponding power window motor.
4. The power window switch has a malfunction.

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1. CHECK POWER WINDOW OPERATION (REAR RH) Check that the door glass can be operated manually. NG: OTHER PROBLEM (See «MANUAL UP/DOWN FUNCTION DOES NOT OPERATE AT REAR RH»(ref-228766-S10013614152006041100000) ) OK: Go to next step.
2. CHECK MANUAL UP/DOWN FUNCTION (REAR RH) Turn the ignition switch ON. Operate the power window switch. Check the blinking pattern of the illumination (Scheme 29) If pattern (1) is displayed, proceed to A. If pattern (2) or (3) is displayed, proceed to B. If the normal pattern is displayed, proceed to C. B: Go to step 4. C: REPLACE POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR RH) A: Go to next step.
3. RESET POWER WINDOW REGULATOR MOTOR (REAR RH) Turn the ignition switch ON. Open the door glass. Fully pull up the power window switch until the door glass is fully closed. Continue to hold the switch 1 second or more even after the door glass is fully closed. Check that the AUTO UP/DOWN function operates completely. OK: END NG: Go to next step.
4. CHECK WIRE HARNESS (SWITCH <==> MOTOR) Remove the rear RH side door trim board (See «OVERHAUL»(ref-228811-S42066552342006041100000) ). Disconnect the P9 power window switch connector. Disconnect the P13 power window motor connector. Check the continuity between the wire harness side connectors. Standard: SWITCH TO MOTOR CONTINUITY Terminal No. Specified Condition P9-5 <==> P13-4 Continuity P9-3 <==> P13-3 Continuity P9-4 <==> P13-5 Continuity P9-8 <==> P13-6 Continuity P9-3 <==> Body ground No continuity P9-4 <==> Body ground No continuity P9-5 <==> Body ground No continuity P9-8 <==> Body ground No continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY RH (REAR RH)

If the manual UP/DOWN function does not operate, the power window motor, the power window master switch or the wire harness may be abnormal.

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1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSY Using the hand-held tester, check operation of the master switch using the DATA LIST. Standard: DATA LIST in D-DOOR ECU DATA LIST IN D-DOOR ECU Measurement Item Label Parameter Driver switch on master switch P/W AUTO SW ON/OFF NG: Go to step 3 . OK: Go to next step.
2. CHECK WIRE HARNESS (MASTER SWITCH <==> MOTOR) Disconnect the D18 master switch connector. Remove the front door trim LH. Disconnect the P10 power window motor connector. Check the continuity between the wire harness side connectors. Standard: MASTER SWITCH TO MOTOR CONTINUITY Terminal No. Specified Condition D18-11 <==> P10-1 Continuity D18-1 <==> P10-2 Continuity D18-1 <==> Body ground No continuity D18-11 <==> Body ground No continuity Reference: Check operation of the power window motor (driver side). Remove the motor (See «OVERHAUL»(ref-228811-S12836174562006041100000) ). Apply battery voltage to the connector between terminals 1 and 2. Check that the motor rotates smoothly. NOTE: Do not apply battery voltage to the terminals except 1 and 2. Standard: NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH (DRIVER SIDE)
3. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSY (FOR GROUND) Remove the master switch (the connector is connected). Check the continuity between terminal 2 and the body ground. Standard: Continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: Go to next step.
4. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSY (FOR POWER SOURCE) Check the voltage between the terminals. Standard: POWER WINDOW REGULATOR MASTER SWITCH ASSY (FOR POWER SOURCE) SPECIFIED CONDITION Terminal No. Condition Specified Condition 9 <==> 2 Constant 10 - 14 V 20 <==> 2 Ignition ON 10 - 14 V 10 <==> 2 Constant 10 - 14 V NG: repair OR replace harness and connector (power source circuit) OK: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY

If the manual UP/DOWN function does not operate, the power window motor, the power window switch or the wire harness may be abnormal.

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1. INSPECT POWER WINDOW REGULATOR SWITCH ASSY (PASSENGER SIDE) (FOR GROUND) Remove the power window switch (the connector is connected). Check the continuity between terminal 7 and the body ground. Standard: Continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: Go to next step.
2. INSPECT POWER WINDOW REGULATOR SWITCH ASSY (PASSENGER SIDE) (FOR POWER SOURCE) Check the voltage between terminals 12 and 7. Standard: 10 - 14 V (Constant) NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (SWITCH <==> POWER SOURCE) OK: Go to next step.
3. INSPECT POWER WINDOW REGULATOR SWITCH ASSY (PASSENGER SIDE) (FOR WINDOW LOCK SWITCH) Turn the ignition switch ON. Check the voltage between terminals 11 and 7 when operating the window lock switch on the master switch. Standard: NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (SWITCH <==> MASTER SWITCH) OK: Go to next step.
4. CHECK WIRE HARNESS (SWITCH <==> MOTOR) Disconnect the P7 power window switch connector. Remove the front door trim RH. Disconnect the P11 power window motor connector. Check the continuity between the wire harness side connectors. Standard: SWITCH TO MOTOR CONTINUITY Terminal No. Specified Condition P7-1 <==> P11-1 Continuity P7-6 <==> P11-2 Continuity P7-1 <==> Body ground No continuity P7-6 <==> Body ground No continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: Go to next step.
5. INSPECT POWER WINDOW REGULATOR MOTOR ASSY RH (PASSENGER SIDE) Remove the motor (See «OVERHAUL»(ref-228811-S12836174562006041100000) ). Apply battery voltage to the connector between terminals 1 and 2. Check that the motor rotates smoothly. NOTE: Do not apply battery voltage to the terminals except 1 and 2. Standard: NG: REPLACE POWER WINDOW REGULATOR MOTOR ASSY RH (PASSENGER SIDE) OK: REPLACE POWER WINDOW REGULATOR SWITCH ASSY (PASSENGER SIDE)

If the manual UP/DOWN function does not operate, the power window motor, the power window switch or the wire harness may be abnormal.

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1. INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR (PASSENGER SIDE) (FOR GROUND) Remove the power window switch (the connector is connected). Check the continuity between terminal 7 and the body ground. Standard: Continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: Go to next step.
2. INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR LH SIDE) (FOR POWER SOURCE) Check the voltage between terminals 12 and 7. Standard: 10 - 14 V (Constant) NG: REPAIR OR REPLACE HARNESS AND/CONNECTOR (SWITCH <==> POWER SOURCE) OK: Go to next step.
3. INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR LH SIDE) (FOR WINDOW LOCK SWITCH) Turn the ignition switch ON. Check the voltage between terminals 11 and 7 when operating the window lock switch on the master switch. Standard: NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (SWITCH <==> MASTER SWITCH) OK: Go to next step.
4. CHECK WIRE HARNESS (SWITCH <==> MOTOR) Disconnect the P8 power window switch connector. Remove the rear door trim LH. Disconnect the P12 power window motor connector. Check the continuity between the wire harness side connectors. Standard: SWITCH TO MOTOR CONTINUITY Terminal No. Specified Condition P8-1 <==> P12-2 Continuity P8-6 <==> P12-1 Continuity P8-1 <==> Body ground No continuity P8-6 <==> Body ground No continuity NG: REPAIR OR REPLACE HARNESS AND HARNESS AND CONNECTOR OK: Go to next step.
5. INSPECT POWER WINDOW REGULATOR MOTOR ASSY LH (REAR LH) Remove the motor (See «OVERHAUL»(ref-228811-S42066552342006041100000) ). Apply battery voltage to the connector between terminals 1 and 2. Check that the motor rotates smoothly. NOTE: Do not apply battery voltage to the terminals except 1 and 2. Standard: NG: REPLACE POWER WINDOW REGULATOR MOTOR ASSY LH (REAR LH) OK: REPLACE POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR LH)

If the manual UP/DOWN function does not operate, the power window motor, the power window switch or the wire harness may be abnormal.

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1. INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR (PASSENGER SIDE) (FOR GROUND) Remove the power window switch (the connector is connected). Check the continuity between terminal 7 and the body ground. Standard: Continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: Go to next step.
2. INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR RH SIDE) (FOR POWER SOURCE) Check the voltage between terminals 12 and 7. Standard: 10 - 14 V (Constant) NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (SWITCH <==> POWER SOURCE) OK: Go to next step.
3. INSPECT POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR RH SIDE) (FOR WINDOW LOCK SWITCH) Turn the ignition switch ON. Check the voltage between terminals 11 and 7 when operating the window lock switch on the master switch. Standard: NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (SWITCH <==> MASTER SWITCH) OK: Go to next step.
4. CHECK WIRE HARNESS (SWITCH <==> MOTOR) Disconnect the P9 power window switch connector. Remove the rear door trim RH. Disconnect the P13 power window motor connector. Check the continuity between the wire harness side connectors. Standard: SWITCH TO MOTOR CONTINUITY Terminal No. Specified Condition P9-1 <==> P13-2 Continuity P9-6 <==> P13-1 Continuity P9-1 <==> Body ground No continuity P9-6 <==> Body ground No continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: Go to next step.
5. INSPECT POWER WINDOW REGULATOR MOTOR ASSY RH (REAR RH) Remove the motor (See «OVERHAUL»(ref-228811-S42066552342006041100000) ). Apply battery voltage to the connector between terminals 1 and 2. Check that the motor rotates smoothly. NOTE: Do not apply battery voltage to the terminals except 1 and 2. Standard: NG: REPLACE POWER WINDOW REGULATOR MOTOR ASSY RH (REAR RH) OK: REPLACE POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR RH)

If the remote control does not operate, the remote function may have been disabled by a malfunction that was detected in the power window circuit. Also, when any power window switch or the wire harness has a malfunction, the remote control for the applicable power window does not function.

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HINT

Check which power window cannot be operated, and then proceed with the troubleshooting for the applicable power window as shown in POWER WINDOW TROUBLESHOOTING .

POWER WINDOW TROUBLESHOOTING

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1. CHECK MANUAL UP/DOWN FUNCTION (PASSENGER SIDE) Check that the door glass can be operated by the power window switch. NG: OTHER PROBLEM (See «MANUAL UP/DOWN FUNCTION DOES NOT OPERATE AT PASSENGER SIDE»(ref-228766-S35255697542006041100000) ) OK: Go to next step.
2. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSY Using the hand-held tester, check operation of the master switch using the DATA LIST. Standard: DATA LIST in D-DOOR ECU DATA LIST IN D-DOOR ECU Measurement Item Label Parameter Passenger switch on master switch P P/W AUTO SW ON/OFF NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY OK: Go to next step.
3. CHECK WIRE HARNESS (FOR POWER WINDOW SWITCH) Disconnect the P7 power window switch connector. Turn the ignition switch ON. Using an oscilloscope, check the waveform of terminal 2 of the wire harness side connector when operating the passenger side switch of the power window master switch. Standard: The waveform is (Scheme 64) OK: REPLACE POWER WINDOW REGULATOR SWITCH ASSY (PASSENGER SIDE) NG: Go to next step.
4. CHECK WIRE HARNESS (POWER WINDOW SWITCH <==> BODY ECU) Disconnect the B3 body ECU connector from the instrument panel J/B assy. Check the continuity between the terminals of the wire harness side connectors. Standard: POWER WINDOW SWITCH TO BODY ECU CONTINUITY Terminal No. Specified Condition P7-2 <==> B3-11 Continuity P7-2 <==> Body ground No continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY (BODY ECU)
5. CHECK MANUAL UP/DOWN FUNCTION (REAR LH) Check that the power window can be operated by the power window switch. NG: OTHER PROBLEM (See «MANUAL UP/DOWN FUNCTION DOES NOT OPERATE AT REAR LH»(ref-228766-S12909174302006041100000) ) OK: Go to next step.
6. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSY Using the hand-held tester, check operation of the master switch using the data list. Standard: Data list in D-DOOR ECU DATA LIST IN D-DOOR ECU Measurement Item Label Parameter Rear LH switch on master switch RL P/W AUTO SW ON/OFF NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY OK: Go to next step.
7. CHECK WIRE HARNESS (FOR POWER WINDOW SWITCH) Disconnect the P8 power window switch connector. Turn the ignition switch ON. Using an oscilloscope, check the waveform of terminal 2 of the wire harness side connector when operating the rear LH switch of the master switch. Standard: The waveform is (Scheme 67) OK: REPLACE POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR LH) NG: Go to next step.
8. CHECK WIRE HARNESS (POWER WINDOW SWITCH <==> BODY ECU) Disconnect the B4 body ECU connector from the instrument panel J/B assy. Check the continuity between the terminals of the wire harness side connectors. Standard: POWER WINDOW SWITCH TO BODY ECU CONTINUITY Terminal No. Specified Condition P8-2 <==> B4-14 Continuity P8-2 <==> Body ground No continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY (BODY ECU)
9. CHECK MANUAL UP/DOWN FUNCTION (REAR LH) Check that the power window can be operated by the power window switch. NG: OTHER PROBLEM (See «MANUAL UP/DOWN FUNCTION DOES NOT OPERATE AT REAR RH»(ref-228766-S10013614152006041100000) ) OK: Go to next step.
10. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSY Using the hand-held tester, check operation of the master switch using the data list. Standard: Data list in D-DOOR ECU DATA LIST IN D-DOOR ECU Measurement Item Label Parameter Rear RH switch on master switch RR P/W AUTO SW ON/OFF NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY OK: Go to next step.
11. CHECK WIRE HARNESS (FOR POWER WINDOW SWITCH) Disconnect the P9 power window switch connector. Turn the ignition switch ON. Using an oscilloscope, check the waveform of terminal 2 of the wire harness side connector when operating the rear RH switch of the master switch. Standard: The waveform is (Scheme 70) OK: REPLACE POWER WINDOW REGULATOR SWITCH ASSY REAR (REAR RH) NG: Go to next step.
12. CHECK WIRE HARNESS (POWER WINDOW SWITCH <==> BODY ECU) Disconnect the B4 body ECU connector from the instrument panel J/B assy. Check the continuity between the terminals of the wire harness side connectors. Standard: POWER WINDOW SWITCH TO BODY ECU CONTINUITY Terminal No. Specified Condition P9-2 <==> B4-16 Continuity P9-2 <==> Body ground No continuity NG: REPAIR OR REPLACE HARNESS AND CONNECTOR OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY (BODY ECU)
13. CHECK POWER WINDOW LOCK SWITCH Turn the window lock switch OFF and check that the remote function operates. OK: END NG: Go to next step.
14. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSY (FOR WINDOW LOCK SWITCH) Remove the master switch (the connector is connected). Turn the ignition switch ON. Check the voltage between terminal 6 and the body ground when operating the window lock switch on the master switch. Standard: NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY OK: REPAIR OR REPLACE HARNESS AND CONNECTOR (MASTER SWITCH <==> EACH SWITCH)