REAR SUNSHADE SYSTEM Front and Rear Switch Cannot Operate Rear Sunshade

DESCRIPTION


WIRING DIAGRAM

B002CXWE05

CAUTION / NOTICE / HINT

Note


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

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

  • If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.

  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK NO. 2 INTEGRATION RELAY


    1. B002CIAC09
      *a

      Front view of wire harness connector

      (to Rear Window Shade Assembly)

      Disconnect the rear window shade assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      U25-2 (B) - Body ground Within 60 seconds after engine switch turned off, or engine switch turned on (IG) again after 60 seconds have elapsed from time engine switch turned off 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (REAR WINDOW SHADE ASSEMBLY - NO. 2 INTEGRATION RELAY) Click here

    OK

  2. CHECK REAR WINDOW SHADE ASSEMBLY


    1. B002CA1C16
      *a

      Front view of wire harness connector

      (Rear Window Shade Assembly)
      *b

      Front view of wire harness connector

      (Rear Sun Shade Relay)

      Disconnect the rear window shade assembly connector.

    2. Disconnect the rear sun shade relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U25-2 (B) - A-1 (B) Always Below 1 Ω
      U25-2 (B) - Body ground Always 10 kΩ or higher
      A-2 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR WINDOW SHADE ASSEMBLY Click here

    OK

  3. CHECK REAR SUN SHADE RELAY


    1. B002D5PC12
      *a

      Component with harness connected

      (Rear Sun Shade 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 (MB) Rear sunshade lowered from fully raised position 11 to 14 V
      B-1 (ME) - B-2 (MR) Rear sunshade raised from fully lowered position 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE REAR WINDOW SHADE ASSEMBLY Click here

    NG

    REPLACE REAR SUN SHADE RELAY Click here

  4. CHECK HARNESS AND CONNECTOR (REAR WINDOW SHADE ASSEMBLY - NO. 2 INTEGRATION RELAY)


    1. Disconnect the U25 rear window shade assembly connector.

    2. Disconnect the 2A No. 2 integration relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U25-2 (B) - 2A-4 (SHAD) Always Below 1 Ω
      U25-2 (B) - Body ground Always 10 kΩ or higher
      Standard Voltage
      Tester Connection Condition Specified Condition
      2G-1 (ALT) - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (NO. 2 INTEGRATION RELAY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))


    1. Disconnect the 2A No. 2 integration relay connector.

    2. Disconnect the K11 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2A-17 (RSSH) - K11-2 (KOFF) Always Below 1 Ω
      2A-17 (RSSH) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. REPLACE NO. 2 INTEGRATION RELAY


    1. Temporarily replace the No. 2 integration relay with a new or normally functioning one.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. CHECK REAR SUNSHADE SYSTEM


    1. Check the rear sunshade system.

      OK
      Rear sunshade raises and lowers.
      Result
      Proceed to
      OK
      NG

    OK

    END (NO. 2 INTEGRATION RELAY WAS DEFECTIVE)

    NG

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here