WIPER SWITCH ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

Tech Tips


  • Use the same procedure for RHD and LHD vehicles.

  • The procedure listed below is for LHD vehicles.

  • Use the same procedure for the LH and RH sides.

  • The procedure described below is for the LH side.

PROCEDURE


  1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY


    1. Remove the steering column cover.

    2. A01MGB8C10
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Check the front wiper intermittent operation.


      1. Turn the power switch on (IG).

      2. Operate the intermittent wiper and check the voltage between terminals G27-3 (+1) and G26-4 (EW).

        Tech Tips

        Measure the voltage on the wire harness side with the connector connected.

        OK
        Voltage changes as shown in the illustration.
        A01MHGIE66
    3. A01MGB8C11
      *a

      Component with harness connected

      (Windshield Wiper Switch Assembly)

      Check the front washer operation.


      1. Turn the power switch on (IG).

      2. Turn the washer switch on and off, and check the voltage between terminals G26-7 (WF) and G26-4 (EW).

        Tech Tips

        Measure the voltage on the wire harness side with the connector connected.

        OK
        Voltage changes as shown in the illustration.
        A01MIHWE19

    4. Install the steering column cover.