Inspection Procedure

CHECK POWER WINDOW OPERATION
1. Lower the driver door power window from the fully closed position to the fully open position. Check if the DTC is erased.
Result:

Fig 1: Power Window Operation Result Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

If the DTC is erased, it is possible the driver door ECU incorrectly detected this DTC previously.

B: Go to step 2

A: Go to next step.

END
READ VALUE OF HAND-HELD TESTER
1. Connect the hand-held tester (with CAN VIM) to the DLC3.
2. Turn the ignition switch ON and press the hand-held tester main switch ON.
3. Select the items below in the DATA LIST, and read the displays on the hand-held tester.
Driver door ECU:

Fig 2: Driver Door ECU - Data List
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: "ON" (jam protection limit switch operates) appears on the screen.

NG: Go to step 3

OK: REPLACE DRIVER DOOR ECU
INSPECT POWER WINDOW REGULATOR MOTOR ASSY FRONT LH
1. Remove the motor (see OVERHAUL ).
2. Apply battery voltage to the motor connector according to the figure Fig 3 below.
3. Check that the motor rotates smoothly.
NOTE: Do not apply battery voltage to any terminals except terminals 4 and 5.

OK: Go to next step.

Fig 3: Measurement Condition Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Inspecting Power Window Regulator Motor Assy Front LH
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR POWER WINDOW REGULATOR MOTOR ASSY

OK: Go to next step.
CHECK WIRE HARNESS (DRIVER DOOR ECU - POWER WINDOW REGULATOR MOTOR ASSY FRONT LH)
1. Disconnect the D25 ECU connector.
2. Disconnect the P14 motor connector.
3. Measure the resistance of the wire harness side connectors.
Standard:

Fig 5: Terminals Resistance Reference Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Checking Wire Harness (Driver Door ECU - Power Window Regulator Motor Assy Front LH)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE DRIVER DOOR ECU