Power Window System — Acura TSX I (2003-2008)

Scheme 1

Scheme 1: Component Location Index

Key Cylinder Operation

With the key inserted in the driver's door key cylinder, turn the key a second time and hold within 10 seconds to operate the windows (clockwise to open, counterclockwise to close). The windows stop moving when the key is released.

Keyless Operation

By pressing the UNLOCK button of the keyless transmitter a second time and holding, the windows open. The windows stop moving when the UNLOCK button is released. The windows do not close with the LOCK button.

Anti-trap Power Window Operation

The system is composed of the power window master switch, the power window control unit and the driver's power window motor. The power window motor incorporates a pulser which generates pulses during the motor's operation and sends the pulses to the power window control unit. As soon as the power window control unit detects no pulses from the pulser, the control unit makes the power window motor stop and reverse. This is to prevent pinching your hand or fingers during auto-up operation.

Scheme 2

Scheme 2: Anti-trap Power Window Operation

Resetting the power window

Resetting the power window is required when any of the following have been removed or repaired

Power window regulator
Power window motor
Window run channel
Front or rear door sash
Door glass

Using the HDS

Connect the Honda Diagnostic System (HDS) to the vehicle's DLC.
Turn the ignition switch ON (II), then enter the vehicle's VIN and mileage at the prompts.
Select Body Electrical from the System Selection menu.
From the Body Electrical System Select menu, select Power Windows.
From the Mode menu, select Adjustments.
From the Adjustment menu, select Window P Reset.
Follow the prompts on the screen.
Confirm that the power window control unit is reset by using the driver's window AUTO UP and DOWN function.

Scheme 3

Scheme 3: Circuit Diagram

Scheme 4

Scheme 5

Scheme 5: Power Window Master Switch Input Test

Before testing the power windows, troubleshoot the multiplex integrated control system using B-CAN System Diagnosis Test Mode A (see «TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A»(/acura/tsx/i-2003-2008/remont/communication-devices/#multiplex-integrated-control-system__troubleshooting-b-can-system-diagnosis-test) ).
Remove the driver's door switch trim (see «FRONT DOOR PANEL REMOVAL/INSTALLATION»(/acura/tsx/i-2003-2008/remont/exterior-body-panels/#door-system__front-door-panel-removalinstallation) ).
Disconnect the power window master switch 23P connector (A) from the power window master switch (B).
Inspect the connector and socket terminals to be sure they are all making good contact. If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system. If the terminals look OK, go to step 5.
Reconnect the 23P connector to the switch, and make these input tests at the connector. If any test indicates a problem, find and correct the cause, then recheck the system. If all the input tests prove OK, go to step 6. TEST CONDITION REFERENCE CHART Cavity Wire Test condition Test: Desired result Possible cause if desired result is not obtained 3 WHT/GRN Under all conditions Connect terminal No. 3 to ground. Measure the voltage at under-dash fuse/relay box No. 26 (20 A) fuse: There should be battery voltage. Blown No. 23 (P/W) (50 A) fuse in the under-hood fuse/relay box Faulty power window relay Faulty under-dash fuse/relay box An open in the wire 10 GRN/WHT Under all conditions Measure the voltage to ground: There should be battery voltage. Blown No. 23 (P/W) (50 A) fuse in the under-hood fuse/relay box Blown No. 27 (20 A) fuse in the under-dash fuse/relay box Faulty under-dash fuse/relay box An open in the wire 20 YEL Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage. Blown No. 21 (7.5 A) fuse in the under-dash fuse/relay box Faulty under-dash fuse/relay box An open in the wire 15 (1) WHT/RED Ignition Switch ON (II) Measure the voltage to ground: There should be battery voltage. Blown No. 7 (10 A) fuse in the under-dash fuse/relay box Faulty under-dash fuse/relay box An open in the wire 1 BLK Under all conditions Measure the voltage to ground: There should be less than 0.5 V. Poor ground (G601) An open in the wire 6 RED/WHT Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage. Faulty power window master switch Short to ground in the wire 2 LT GRN (2) BLK (3) Under all conditions Measure the voltage to ground: There should be less than 0.5 V. Faulty power window master switch 4 BLU Ignition switch ON (II), and the driver's window switch AUTO DOWN Measure the voltage between the No. 4 and No. 2 terminals: There should be 0 V-about 5 V- 0 V-about 5 V repeatedly (a digital voltmeter reads about 2.5 V while the window moves). Blown No. 21 (7.5 A) fuse in the under-dash fuse/relay box Blown No. 27 (20 A) fuse in the under-dash fuse/relay box Faulty power window master switch Short to ground in the wire Faulty driver's window motor 17 ORN Ignition switch ON (II), and the driver's window switch AUTO DOWN Measure the voltage between the No. 17 and No. 2 terminals: There should be 0 V-about 5 V- 0 V-about 5 V repeatedly (a digital voltmeter reads about 2.5 V while the window moves). 21 WHT Driver's door key cylinder switch in UNLOCK Measure the voltage to ground: There should be less than 1 V. Faulty driver's door key cylinder switch Poor ground (G501) An open in the wire Driver's door key cylinder switch in neutral Measure the voltage to ground: There should be about 5 V. Short to ground Faulty driver's door key cylinder switch Driver's door key cylinder switch in LOCK Measure the voltage to ground: There should be about 5 V. 8 WHT/RED Driver's door key cylinder switch in LOCK Measure the voltage to ground: There should be less than 1 V. Faulty driver's door key cylinder switch Poor ground (G501) An open in the wire Driver's door key cylinder switch in neutral Measure the voltage to ground: There should be about 5 V. Short to ground Faulty driver's door key cylinder switch Driver's door key cylinder switch in UNLOCK Measure the voltage to ground: There should be about 5 V. (1) '05-08 models (2) '04-05 models (3) '06-08 models
Disconnect the 23P connector from the power window master switch, and make these input tests at the connector. If any test indicates a problem, find and correct the cause, then recheck the system. If all the input tests prove OK, the power window master switch must be faulty, replace it. TEST CONDITION REFERENCE CHART Cavity Wire Test condition Test: Desired result Possible cause if desired result is not obtained 11 RED/YEL Connect the No. 10 and No. 11 terminals with a jumper wire, and No. 23 terminal to body ground. Check the driver's power window motor operation: The window should go down. Blown No. 27 (20 A) fuse in the under-dash fuse/relay box Faulty driver's power window motor An open in the wire 23 RED/BLK Connect the No. 10 and No. 23 terminals with a jumper wire, and No. 11 terminal to body ground. Check for driver's power window motor operation: The window should go up. 9 BLU/WHT Connect the No. 10 and No. 9 terminals with a jumper wire. Check the front passenger's power window motor operation: The window should go down. Poor ground (G503) Blown No. 26 (20 A) fuse in the under-dash fuse/relay box Faulty front passenger's power window switch Faulty front passenger's power window motor An open in the wire 18 BLU/RED Connect the No. 10 and No. 18 terminals with a jumper wire. Check the front passenger's power window motor operation: The window should go up. 13 BRN/WHT Connect the No. 10 and No. 13 terminals with a jumper wire. Check the left rear power window motor operation: The window should go up. Poor ground (G601) Blown No. 24 (20 A) fuse in the under-dash fuse/relay box Faulty left rear power window switch Faulty left rear power window motor An open in the wire 19 BRN Connect the No. 10 and No. 19 terminals with a jumper wire. Check the left rear power window motor operation: The window should go down. 12 BUL/ORN Connect the No. 10 and No. 12 terminals with a jumper wire. Check the right rear power window motor operation: The window should go up. Poor ground (G602) Blown No. 25 (20 A) fuse in the under-dash fuse/relay box Faulty right rear power window switch Faulty right rear power window motor An open in the wire 14 BRN/YEL Connect the No. 10 and No. 14 terminals with a jumper wire. Check the right rear power window motor operation: The window should go down.

Scheme 6

Scheme 6: Motor Test

Scheme 7

Remove the driver's door panel (see «FRONT DOOR PANEL REMOVAL/INSTALLATION»(/acura/tsx/i-2003-2008/remont/exterior-body-panels/#door-system__front-door-panel-removalinstallation) ).
Disconnect the 6P connector (A) from the power window motor.
Test the motor in each direction by connecting battery power and ground according to the table. When the motor stops running, disconnect one lead immediately.
If the motor does not run or fails to run smoothly, replace it. Pulser Test
Reconnect the 6P connector to the power window motor.
Measure the voltage between the terminals. There should be battery voltage between the No. 6 (+) and No. 5 (-) terminals when the ignition switch is ON (II). Connect an analog voltmeter between the No. 2 (+) and No. 5 (-) terminals, and run the power window motor down or up. The voltmeter needle should move back and forth alternately (a digital voltmeter should show the average voltage between 0-5 V). Connect an analog voltmeter between the No. 3 (+) and No. 5 (-) terminals, and run the power window motor down or up. The voltmeter needle should move back and forth alternately. If the voltage is not as specified, replace the driver's power window motor.

Scheme 8

Scheme 8: Passenger's Power Window Motor Test

Scheme 9

Remove the passenger's door panel (see «FRONT DOOR PANEL REMOVAL/INSTALLATION»(/acura/tsx/i-2003-2008/remont/exterior-body-panels/#door-system__front-door-panel-removalinstallation) ).
Disconnect the 6P connector (A) from the power window motor.
Test the motor by connecting battery power and ground according to the table. When the motor stops running, disconnect one lead immediately. (): Left rear power window motor
If the motor does not run or fails to run smoothly, replace it.

Scheme 10

Scheme 10: Master Switch Replacement

Scheme 11

Carefully pry off the driver's door switch trim (see «FRONT DOOR PANEL REMOVAL/INSTALLATION»(/acura/tsx/i-2003-2008/remont/exterior-body-panels/#door-system__front-door-panel-removalinstallation) ).
Disconnect the power mirror and power window master switch connectors (A).
Remove the four mounting screws, then remove the master switch (A) from the panel (B).

Scheme 12

Scheme 12: Passenger's Power Window Switch Test/Replacement

Scheme 13

Carefully pry off the door switch trim (see «FRONT DOOR PANEL REMOVAL/INSTALLATION»(/acura/tsx/i-2003-2008/remont/exterior-body-panels/#door-system__front-door-panel-removalinstallation) ).
Disconnect the power window switch connector (A), then remove the three mounting screws and the power window switch (B) from the switch trim (C). Front Passenger's: Rear
Swap the power window switch with another known-good switch and test. If the original power window switch is faulty, replace it.

DTC B1125: Driver's Power Window Motor A Pulse Error; DTC B1126: Driver's Power Window Motor B Pulse Error

Open and close the driver's power window by using the driver's switch manually.
While the power window moving, select POWER WINDOWS from the HDS and enter the DATA LIST.
Check the EXIST/NONE information of the P/W PLSA (B1125) or P/W PLSB (B1126) in the DATA LIST. Do the information indicators display EXIST? YES -Replace the power window master switch. NO -Go to step 4.
Refer to the power window master switch input test, check for continuity between the driver's power window motor 6P connector and the power window master switch 23P connector (see «POWER WINDOW MASTER SWITCH INPUT TEST»(/acura/tsx/i-2003-2008/remont/windows/#power-window-system) ). Are all the wire harnesses OK? YES -Substitute a known-good power window master switch, and recheck. If DTC is gone, the original master switch is faulty; replace it. If the DTC is still indicated, replace the driver's power window motor. NO -Repair a short to ground or an open in the wire.

DTC B1140: Driver's Power Window Position Detect Circuit Error

Clear the DTCs using the HDS.
Cycle the ignition switch to OFF and then back ON (II).
Open and close the driver's power window by using the driver's switch manually.
Check for DTCs using the HDS. Is DTC B1125 or B1126 indicated? YES -Troubleshoot the DTC B1125 or B1126 (see «DTC B1125: DRIVER'S POWER WINDOW MOTOR A PULSE ERROR; DTC B1126: DRIVER'S POWER WINDOW MOTOR B PULSE ERROR»(/acura/tsx/i-2003-2008/remont/windows/#power-window-system__dtc-b1125-drivers-power-window-motor) ). NO -Go to step 5.
Do the power window control unit reset procedure (see «RESETTING THE POWER WINDOW»(/acura/tsx/i-2003-2008/remont/windows/#power-window-system__resetting-the-power-window) ).
Check for DTCs again using the HDS. Is DTC B1140 indicated? YES -Faulty door multiplex control unit; replace the power window master switch. NO -The system is recovered at this time.

Power Window System Acura TSX I