WIPER AND WASHER SYSTEM Rear Wiper does not Operate

DESCRIPTION

When the glass hatch is open, the rear wiper system cuts off the power supply to prevent the rear wiper and rear washer from operating.

WIRING DIAGRAM

Figure 1. for 5L-E:

B001IC7E01

Figure 2. except 5L-E:

B001FHRE01

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. READ VALUE USING GTS (GLASS HATCH COURTESY SWITCH)


    1. Use the Data List to check if the glass hatch opener is functioning properly Click here.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Glass Hatch Courtesy Switch Glass hatch courtesy switch signal / ON or OFF

      ON: Glass hatch open

      OFF: Glass hatch closed

      		 -
      OK
      On tester screen, each item changes between ON and OFF according to above chart.
      Result
      Result Proceed to
      OK A
      NG (for 5L-E) B
      NG (except 5L-E) C

    B

    GO TO LIGHTING SYSTEM Click here

    C

    GO TO LIGHTING SYSTEM Click here

    A

  2. PERFORM ACTIVE TEST USING GTS (REAR WIPER MOTOR)


    1. Using the intelligent tester, perform the Active Test Click here.

      Main Body
      Tester Display Test Part Control Range Diagnostic Note
      Rear Wiper Power Supply WASHER RR relay operation ON/OFF -
      OK
      Rear wiper motor operates.
      Result
      Result Proceed to
      OK A
      NG (for 5L-E) B
      NG (except 5L-E) C

    A

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

    C

    CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BATTERY AND BODY GROUND) Click here

    B

  3. INSPECT WASHER RR RELAY


    1. Remove the WASHER RR relay from the engine room relay block, junction block.

    2. Inspect the WASHER RR relay.

      Click here


    NG

    REPLACE WASHER RR RELAY

    OK

  4. CHECK HARNESS AND CONNECTOR (WASHER RR RELAY - BATTERY)


    1. B001II6E01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to WASHER RR Relay)

      Remove the WASHER RR relay from the engine room relay block, junction block.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      WASHER RR relay terminal 2 - Body ground Ignition switch ON 11 to 14 V
      WASHER RR relay terminal 2 - Body ground Ignition switch off Below 1 V
      WASHER RR relay terminal 5 - Body ground Ignition switch ON 11 to 14 V
      WASHER RR relay terminal 5 - Body ground Ignition switch off Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] - WASHER RR RELAY AND BODY GROUND)


    1. Disconnect the G63 main body ECU (multiplex network body ECU) connector.

    2. Remove the WASHER RR relay from the engine room relay block, junction block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G63-20 (RWMR) - WASHER RR relay terminal 1 Always Below 1 Ω
      G63-20 (RWMR) - Body ground Always 10 kΩ or higher

    NG

    CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (WASHER RR RELAY - REAR WIPER MOTOR ASSEMBLY)


    1. Disconnect the Y1 rear wiper motor assembly connector.

    2. Remove the WASHER RR relay from the engine room relay block, junction block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Y1-5 (+B) - WASHER RR relay terminal 3 Always Below 1 Ω
      Y1-5 (+B) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. INSPECT REAR WIPER MOTOR ASSEMBLY


    1. Remove the rear wiper motor assembly.

      Click here

    2. Inspect the rear wiper motor assembly.

      Click here


    NG

    REPLACE REAR WIPER MOTOR ASSEMBLY Click here

    OK

  8. CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - BODY GROUND)


    1. B001GJCE03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Rear Wiper Motor Assembly)

      Disconnect the rear wiper motor assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Y1-3 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY


    1. Remove the windshield wiper switch assembly.

      Click here

    2. Inspect the windshield wiper switch assembly.

      Click here


    NG

    REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH ASSEMBLY - REAR WIPER MOTOR ASSEMBLY AND BODY GROUND)


    1. for Windshield Wiper Switch LH Side Type:


      1. Disconnect the Y1 rear wiper motor assembly connector.

      2. Disconnect the G43 windshield wiper switch assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Y1-2 (LS) - G43-1 (+1R) Always Below 1 Ω
        Y1-4 (C1) - G43-2 (C1R) Always Below 1 Ω
        G43-7 (EW) - Body ground Always Below 1 Ω
        Y1-2 (LS) - Body ground Always 10 kΩ or higher
        Y1-4 (C1) - Body ground Always 10 kΩ or higher

    2. for Windshield Wiper Switch RH Side Type:


      1. Disconnect the Y1 rear wiper motor assembly connector.

      2. Disconnect the G43 windshield wiper switch assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Y1-2 (LS) - G43-3 (+1R) Always Below 1 Ω
        Y1-4 (C1) - G43-2 (C1R) Always Below 1 Ω
        G43-4 (EW) - Body ground Always Below 1 Ω
        Y1-2 (LS) - Body ground Always 10 kΩ or higher
        Y1-4 (C1) - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  11. CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BATTERY AND BODY GROUND)


    1. Disconnect the driver side junction block assembly connectors.

      B001CK3C01
      *a

      Front view of wire harness connector

      (to Driver Side Junction Block Assembly)

      		 - -

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      2K-1 - Body ground Always 11 to 14 V
      2O-27 - Body ground Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      2M-5 - Body ground Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2N-1 - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] - DRIVER SIDE JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the 2O driver side junction block assembly connector.

    2. Disconnect the G216 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
      G216-19 (RWMR) - 2O-27 Always Below 1 Ω
      A-11 (GND1) - Body ground Always Below 1 Ω
      G216-19 (RWMR) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  13. CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - REAR WIPER MOTOR ASSEMBLY)


    1. Disconnect the Y1 rear wiper motor assembly connector.

    2. Disconnect the 2M driver side junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Y1-5 (+B) - 2M-5 Always Below 1 Ω
      Y1-5 (+B) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  14. INSPECT REAR WIPER MOTOR ASSEMBLY


    1. Remove the rear wiper motor assembly.

      Click here

    2. Inspect the rear wiper motor assembly.

      Click here


    NG

    REPLACE REAR WIPER MOTOR ASSEMBLY Click here

    OK

  15. CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - BODY GROUND)


    1. B001GJCE03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Rear Wiper Motor Assembly)

      Disconnect the rear wiper motor assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Y1-3 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  16. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY


    1. Remove the windshield wiper switch assembly.

      Click here

    2. Inspect the windshield wiper switch assembly.

      Click here


    NG

    REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY Click here

    OK

  17. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH ASSEMBLY - REAR WIPER MOTOR ASSEMBLY AND BODY GROUND)


    1. for Windshield Wiper Switch LH Side Type:


      1. Disconnect the Y1 rear wiper motor assembly connector.

      2. Disconnect the G43 windshield wiper switch assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Y1-2 (LS) - G43-1 (+1R) Always Below 1 Ω
        Y1-4 (C1) - G43-2 (C1R) Always Below 1 Ω
        G43-7 (EW) - Body ground Always Below 1 Ω
        Y1-2 (LS) - Body ground Always 10 kΩ or higher
        Y1-4 (C1) - Body ground Always 10 kΩ or higher

    2. for Windshield Wiper Switch RH Side Type:


      1. Disconnect the Y1 rear wiper motor assembly connector.

      2. Disconnect the G43 windshield wiper switch assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Y1-2 (LS) - G43-3 (+1R) Always Below 1 Ω
        Y1-4 (C1) - G43-2 (C1R) Always Below 1 Ω
        G43-4 (EW) - Body ground Always Below 1 Ω
        Y1-2 (LS) - Body ground Always 10 kΩ or higher
        Y1-4 (C1) - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  18. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY


    1. B001CM5C01
      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

      Remove the driver side junction block assembly.

      Click here

    2. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2D-4 - A-11 (GND1) Always Below 1 Ω
      A-11 (GND1) - Body ground Always Below 1 Ω

    OK

    REPLACE MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] Click here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY Click here