Manual Up / Down Function does not Operate on Back Door Only [08/2015 - 08/2019]: Procedure

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.

Result: 

NG 

REPAIR OR REPLACE REAR WIPER MOTOR ASSEMBLY 

(Refer to INSTALLATION [08/2015 - ] )

Result: 

OK 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Back Door P/W / Data List / Wiper Retracted position
5. According to the display on the Techstream, read the Data List.
   BACK DOOR P/W
   
   

   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.

Result: 

NG 

See step  8

Result: 

OK 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Back Door P/W / Active Test / Back Door Power Window
5. Check that the back door power window regulator motor move the window UP/DOWN.
   BACK DOOR P/W
   
   

   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.

Result: 

NG 

See step  6

Result: 

OK 

See step  4

1. Remove the back door power window regulator switch assembly (Refer to REMOVAL [08/2015 - ] ).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   2 (E) - 6(UP) - 7(A-UP)	Auto UP	Below 1 Ω
   2 (E) - 6(UP)	UP	Below 1 Ω
   2 (E) - 4 (DOWN)	DOWN	Below 1 Ω
   2 (E) - 3 (A-DN) - 4 (DOWN)	Auto DOWN	Below 1 Ω
   2 (E) - Each connectors	OFF	10 kΩ or higher

3. Reinstall the back door power window regulator switch assembly.

Result: 

NG 

REPLACE BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY 

(Refer to REMOVAL [08/2015 - ] )

Result: 

OK 

See step  5

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

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

3. Reconnect the back door power window regulator switch assembly connector.

Result: 

OK 

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

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Remove the back door regulator motor assembly (Refer to PROCEDURE - Step 28 ).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. 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.

   Standard

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

3. Reinstall the back door regulator motor assembly.

Result: 

NG 

REPLACE BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY 

(Refer to PROCEDURE - Step 28 )

Result: 

OK 

See step  7

1. Disconnect the V3 back door ECU connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Disconnect the V4 back door regulator motor assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   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

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

Result: 

OK 

REPLACE BACK DOOR ECU 

(Refer to PROCEDURE - Step 14 )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the V3 back door ECU connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Disconnect the V10 rear wiper motor assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   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

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

Result: 

OK 

REPLACE REAR WIPER MOTOR ASSEMBLY 

(Refer to REMOVAL [08/2015 - 08/2017] , or refer to REMOVAL [08/2017 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR