Inspection Procedure

CHECK REAR WIPER OPERATION
1. Turn the ignition switch to ON.
2. Turn the rear wiper switch on.
3. Turn the rear wiper switch off.
4. Check that the rear wiper stops at the retract position when the rear wiper switch is turned off.
  OK: The rear wiper arm returns to the correct position.
NG: REPAIR OR REPLACE REAR WIPER MOTOR ASSEMBLY (See REMOVAL )

OK: Go to next step

READ VALUE USING TECHSTREAM (WIPER RETRACTED POSITION)

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Body Electrical / Back Door P/W / Data List / Wiper Retracted position

According to the display on the Techstream, read the Data List.

Back Door P/W

BACK DOOR P/W REFERENCE CHART

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
Wiper Retracted position	Rear wiper retract switch signal / ON or OFF	ON: Rear wiper retract switch is in ON position OFF: Rear wiper retract switch is in OFF position	-

OK: The Techstream display changes normally when rear wiper motor is operated.

NG: Go to step 8

OK: Go to next step

PERFORM ACTIVE TEST USING TECHSTREAM (BACK DOOR POWER WINDOW)

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Body Electrical / Back Door P/W / Active Test / Back Door Power Window

Check that the back door power window regulator motor move the window UP/DOWN.

Back Door P/W

BACK DOOR P/W REFERENCE CHART

Tester Display	Test Part	Control Range	Diagnostic Note
Back Door Power Window	Back Door Power Window	OFF/UP/DOWN	-

OK: Back door power window opens and closes.

NG: Go to step 6

OK: Go to next step

INSPECT BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY

Remove the back door power window regulator switch assembly (See REMOVAL ).

Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
2 (E) - 7 (UP) - 8 (A-UP)	Auto UP	Below 1 Ω
2 (E)-7 (UP)	UP	Below 1 Ω
2 (E) - 4 (DOWN)	DOWN	Below 1 Ω
2 (E) - 3 (A-DOWN) - 4 (DOWN)	Auto DOWN	Below 1 Ω
2 (E) - Each connectors	OFF	10 kΩ or higher

Reinstall the back door power window regulator switch assembly.

Fig 1: Identifying Back Door Power Window Regulator Switch Assembly Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY (See REMOVAL )

OK: Go to next step

CHECK HARNESS AND CONNECTOR (BACK DOOR POWER WINDOW REGULATOR SWITCH - BODY GROUND)

Disconnect the H9 back door power window regulator switch assembly connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
H9-2 (E) - Body Ground	Always	Below 1 Ω

Reconnect the back door power window regulator switch assembly connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 2: Identifying H9 Back Door Power Window Regulator Switch Assembly Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (BACK DOOR ECU - BACK DOOR P/W REGULATOR SWITCH)

INSPECT BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY

Remove the back door regulator motor assembly (See DISASSEMBLY ).

Apply battery voltage between the connector terminals and check that the motor gear rotates smoothly.

NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.

Fig 3: Inspecting Back Door Power Window Regulator Motor Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
Battery positive (+) → 2 Battery negative (-) → 1	Motor gear counterclockwise
Battery positive (+) → 1 Battery negative (-) → 2	Motor gear clockwise

Reinstall the back door regulator motor assembly.

NG: REPLACE BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY (See DISASSEMBLY )

OK: Go to next step

CHECK HARNESS AND CONNECTOR (BACK DOOR ECU - BACK DOOR POWER WINDOW MOTOR)

Disconnect the V3 back door ECU connector.
Disconnect the V4 back door regulator motor assembly connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
V3-5 (BDUP) - V4-1 (UP)	Always	Below 1 Ω
V3-6 (BDDN) - V4-2 (DOWN)	Always	Below 1 Ω
V3-5 (BDUP) - Body ground	Always	10 kΩ or higher
V3-6 (BDDN) - Body ground	Always	10 kΩ or higher

Reconnect the back door ECU connector.
Reconnect the back door regulator motor assembly connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 4: Identifying Back Door ECU And Back Door Regulator Motor Assembly Connector Terminals

OK: REPLACE BACK DOOR ECU (See DISASSEMBLY )

CHECK HARNESS AND CONNECTOR (BACK DOOR ECU - REAR WIPER MOTOR ASSEMBLY)

Disconnect the V3 back door ECU connector.
Disconnect the V10 rear wiper motor assembly connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
V3-17 (P) - V10-1(P)	Always	Below 1 Ω
V3-25 (SGND) - V10-2 (E)	Always	Below 1 Ω
V3-17 (P) - Body ground	Always	10 kΩ or higher
V3-25 (SGND)- Body ground	Always	10 kΩ or higher

Reconnect the rear wiper motor assembly connector.
Reconnect the back door ECU connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 5: Identifying Back Door ECU And Rear Wiper Motor Assembly Connector Terminals

OK: REPLACE REAR WIPER MOTOR ASSEMBLY (See REMOVAL )