REAR SUNSHADE SYSTEM Only Rear Switch Cannot Operate Rear Sunshade

DESCRIPTION

The rear window shade assembly receives the rear control switch (rear sunshade switch) signals and drives its built-in motor.

WIRING DIAGRAM

A01FRFOE02

INSPECTION PROCEDURE

Note


  • Do not remove the ground bolt of the rear window shade assembly.

  • When the rear sunshade relay is replaced with a new one, do not use the wire harness packaged together with the new rear sunshade relay.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (REAR CONTROL SWITCH - REAR WINDOW SHADE ASSEMBLY AND BODY GROUND)


    1. Disconnect the Z1 rear control switch connector.

    2. Disconnect the U29 rear window shade assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Z1-12 (ECU) - U29-5 (RSW) Always Below 1 Ω
      Z1-5 (E) - Body ground Always Below 1 Ω
      Z1-12 (ECU) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT REAR WINDOW SHADE ASSEMBLY


    1. A01FR8SE03
      Text in Illustration
      *a

      Component without harness connected

      (Rear Window Shade Assembly)
      *b

      Component without harness connected

      (Rear Sunshade Relay)

      Remove the rear window shade assembly Click here.

    2. Disconnect the rear window shade assembly connector.

    3. Disconnect the rear sunshade relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U29-5 (RSW) - A-5 (RSW) Always Below 1 Ω
      U29-5 (RSW) - Body ground Always 10 kΩ or higher

    NG

    REPLACE REAR WINDOW SHADE ASSEMBLY Click here

    OK

  3. CHECK REAR SUNSHADE RELAY


    1. A01FV09E01
      Text in Illustration
      *a

      Component with harness connected

      (Rear Sunshade Relay)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      B-2 (MR) - B-1 (ME) Rear control switch (rear sunshade switch) pushed (rear sunshade lowers from fully raised position) 11 to 14 V
      B-1 (ME) - B-2 (MR) Rear control switch (rear sunshade switch) pushed (rear sunshade raises from fully lowered position) 11 to 14 V

    NG

    CHECK REAR SUNSHADE RELAY Click here

    OK

    REPLACE REAR WINDOW SHADE ASSEMBLY Click here

  4. CHECK REAR SUNSHADE RELAY


    1. Temporarily replace the rear sunshade relay with a new or normally functioning one Click here.

    2. Check that the rear sunshade can be raised and lowered by using the rear control switch (rear sunshade switch).

      OK
      Rear sunshade can be raised and lowered with rear control switch (rear sunshade switch).

    NG

    REPLACE REAR CONTROL SWITCH Click here

    OK

    END (REAR SUNSHADE RELAY WAS DEFECTIVE)