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Wiper System & Washer System - Diagnostics: Other Toyota 4Runner IV

Wiper/washer Systems 6 illustrations ~269 words

PRE-CHECK

  1. Data List NOTE: According to the DATA LIST displayed by the hand-held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time. Connect the hand-held tester to the DLC3. Turn the ignition switch to ON. According to the display on tester, read the "DATA LIST". ITEM CONDITIONS CHART Item Measurement Item/Display (Range) Normal Condition WIPER TURN SW Rear wiper turn position switch signal/ON or OFF ON: Rear wiper is turning position OFF : Rear wiper is other position WIPER RTRCT SW Rear wiper retracting switch signal/ON or OFF ON: Rear wiper is retract position OFF: Rear wiper is other position WIPER STOP POS Rear wiper stop position signal/ON or OFF ON: Rear wiper is stop position OFF: Rear wiper is other position
  2. Active Test NOTE: Performing the ACTIVE TEST using the hand-held tester allows the relay, VSV, actuator and so on to operate without parts removal. Performing the ACTIVE TEST as a first step of troubleshooting is one of the method to shorten the labor time. It is possible to display the DATA LIST during the ACTIVE TEST. Connect the hand-held tester to the DLC3. Turn the ignition switch to ON. According to the display on tester, perform the "ACTIVE TEST". ITEM TEST DETAILS Item Test Details REAR WIPER Rear wiper ON/OFF

Scheme 9

Scheme 9: LOCATION

Scheme 10

Scheme 10

Scheme 11

Scheme 11: TERMINALS OF ECU

Scheme 12

Scheme 12
  1. Multiplex Network Body Computer
  2. Multiplex Network Door ECU Back

Scheme 13

Scheme 13: FRONT WIPER AND WASHER SYSTEM

Scheme 14

Scheme 14: REAR WIPER AND WASHER SYSTEM