Inspection Procedure

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

Check Rear Wiper Operation
1. Turn the ignition switch ON.
2. Operate the rear wiper and turn the rear wiper switch OFF.
3. Check the rear wiper stops at the retract position when the rear wiper switch is turned OFF.
  
  Fig 1: Checking Rear Wiper Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Go to Next Step
2. NG: Replace Rear Wiper Motor Assy
Inspect Back Door Power Window Regulator Switch Assy
1. Using the hand-held tester, read the DTC when the back power window switch is operated.
  1. When DTC B1287 is output, proceed to A.
  2. When no DTC is output, proceed to B.
  3. When DTC B1241 is output, proceed to C.
1. A: Inspect Multiplex Communication System (See MULTIPLEX COMMUNICATION SYSTEM - DIAGNOSTICS )
2. B: Inspect Back Door Power Window Regulator Switch Assy (See DTC B1241 BODY ECU SWITCH CIRCUIT DIAGNOSIS )
3. OK: Go to Next Step

Read Value Of Hand-Held Tester

Check the condition of the retract switch using the data list.
Standard:

Data list for back door ECU:

BACK DOOR ECU DATA LIST

Measurement Item	Label	Parameter
Wiper Retract Switch	Wiper Rtrct Sw	On

Ok: Go To Next Step
NG: Go To Step 6

Check Harness And Connector (Back Door ECU >--< Power Window Motor)
1. Disconnect The B9 Back Door ECU Connector.
2. Disconnect The B11 Motor Connector.
3. Check The Continuity Between The Wire Harness Side Connectors.
  Standard:
  
  Fig 3: B9 & B11 Terminal Specifications Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Go to Next Step
2. NG: Repair Or Replace Harness And Connector
Inspect Power Window Regulator Motor Assy LH (Back Door)
1. Remove the motor.
2. Apply battery voltage between the motor terminals and check that the motor rotates smoothly.
  
  Fig 4: Checking Motor Gear Rotates Smoothly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard:
  
  Fig 5: Terminal Specified Condition Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Check And Replace Multiplex Network Door ECU Back
2. NG: Replace Power Window Regulator Motor Assy LH (Back Door)
Check Harness And Connector (Back Door ECU >--< Rear Wiper Motor)
1. Disconnect the B9 back door ECU connector.
2. Disconnect the R23 rear wiper motor connector.
3. Check the continuity between the wire harness side connectors.
  Standard:
  
  Fig 7: Terminal Specified Condition Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Replace Rear Wiper Motor Assy
2. NG: Repair Or Replace Harness And Connector