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                                                                                                         DI-523
                                          DIAGNOSTICS         -   BODY CONTROL SYSTEM
                                                                                                          DI56Y-05




 Rear Washer Motor Circuit

CIRCUIT DESCRIPTION
Body ECU judges the switch position with the terminal voltage of the wiper and washer switch and runs the
wiper motor.

WIRING DIAGRAM

                                                                                              Body ECU
                                          W1                                   Driver Side J/B
                                          Rear Washer Motor                        8
                                     P                    LG                                13
                                                                                  1H           WMTR
                                             4       3*1
                                                     5*2

                                                                                        20
                                                                  GR-G
                                                                                        B16 R/W ON
                                                                                        21
                                                                  GR-R
                                                                                        B16 R/W INT
                             12     10   13
                          WR +1R C1R EW
                WASHER
                                                        C15
                  OFF                                   Rear Wiper and
                                                        Washer Switch
                  INT                                   (Combination Switch)
                   ON
                WASHER
                                                   2
                                         W-B
                                               A
                                                       J4
                                                       J/C

                                              IE
    *1: w/o Daytime Running Light
    *2: w/ Daytime Running Light
                                                                                                            I22497




2002 4RUNNER (RM887U)

                                                                         Author :            Date :       699
DI-524
                                   DIAGNOSTICS   -   BODY CONTROL SYSTEM

INSPECTION PROCEDURE

   1     Check rear wiper and washer switch (See page BE-34 ).


                                          NG         Replace rear wiper and washer switch.


  OK



   2     Check rear washer motor (See page BE-34 ).


                                          NG         Replace wiper motor.


  OK



   3     Check harness and connector between rear wiper and washer switch and body
         ECU (See page IN-28 ).


                                          NG         Repair or replace harness or connector.


  OK



  Proceed to next circuit inspection shown on
  problem symptoms table (See page
  DI-517 ).




2002 4RUNNER (RM887U)

                                                           Author :           Date :           700

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