LIGHTING SYSTEM Footwell Light Circuit

DESCRIPTION

The main body ECU controls the No. 1 interior illumination light assemblies.

WIRING DIAGRAM

A01VJPVE01

CAUTION / NOTICE / HINT

CAUTION:

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

PROCEDURE


  1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Main Body / Active Test.

    5. According to the display on the intelligent tester, perform the Active Test.

      Main Body
      Tester Display Test Part Control Range Diagnostic Note
      Illuminated Entry System No. 1 interior illumination light assembly OFF or ON All doors closed
      OK
      No. 1 interior illumination light assembly comes on.

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

  2. INSPECT NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY


    1. Inspect the No. 1 interior illumination light assembly Click here.

      Result Proceed to
      OK (for TMC Made) A
      OK (for TMMF Made) B
      NG C

    B

    CHECK HARNESS AND CONNECTOR (NO. 1 INTERIOR ILLUMINATION LIGHTASSEMBLY - DOME RELAY) Click here

    C

    REPLACE NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY Click here

    A

  3. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BATTERY)


    1. A01VH9YE03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Instrument Panel Junction Block Assembly)

      Disconnect the instrument panel junction block assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      3C-4 - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the F67 or F66 No. 1 interior illumination light assembly connector.

    2. Disconnect the 3A and 3B instrument panel junction block assembly connectors.

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

      Standard Resistance
      LH
      Tester Connection Condition Specified Condition
      F67-2 (B) - 3A-5 Always Below 1 Ω
      F67-1 (L) - 3B-32 Always Below 1 Ω
      F67-2 (B) - Body ground Always 10 kΩ or higher
      F67-1 (L) - Body ground Always 10 kΩ or higher
      RH
      Tester Connection Condition Specified Condition
      F66-2 (B) - 3A-5 Always Below 1 Ω
      F66-1 (L) - 3B-17 Always Below 1 Ω
      F66-2 (B) - Body ground Always 10 kΩ or higher
      F66-1 (L) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Remove the instrument panel junction block assembly Click here.

    2. Remove the main body ECU from the instrument panel junction block assembly Click here.

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

      A01VECZE01
      Text in Illustration
      *a

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      		 - -
      Standard Resistance
      LH
      Tester Connection Condition Specified Condition
      3A-5 - 3C-4 Always Below 1 Ω
      3B-32 - MB-1 (ILE) Always Below 1 Ω
      RH
      Tester Connection Condition Specified Condition
      3A-5 - 3C-4 Always Below 1 Ω
      3B-17 - MB-1 (ILE) Always Below 1 Ω

    OK

    REPLACE MAIN BODY ECU Click here

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here

  6. CHECK HARNESS AND CONNECTOR (NO. 1 INTERIOR ILLUMINATION LIGHTASSEMBLY - DOME RELAY)


    1. A01VHJAE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to No. 1 Interior Illumination Light Assembly LH and RH)

      Disconnect the No. 1 interior illumination light assembly connectors.

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

      Standard Voltage
      LH
      Tester Connection Condition Specified Condition
      F67-2 (B) - Body ground Always 11 to 14 V
      RH
      Tester Connection Condition Specified Condition
      F66-2 (B) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK HARNESS AND CONNECTOR (NO. 1 INTERIOR ILLUMINATION LIGHTASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the F67 and F66 No. 1 interior illumination light assembly connectors.

    2. Disconnect the 3B instrument panel junction block assembly connector.

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

      Standard Resistance
      LH
      Tester Connection Condition Specified Condition
      F67-1 (L) - 3B-32 Always Below 1 Ω
      F67-2 (B) - Body ground Always 10 kΩ or higher
      F67-1 (L) - Body ground Always 10 kΩ or higher
      RH
      Tester Connection Condition Specified Condition
      F66-1 (L) - 3B-17 Always Below 1 Ω
      F66-2 (B) - Body ground Always 10 kΩ or higher
      F66-1 (L) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Remove the instrument panel junction block assembly Click here.

    2. Remove the main body ECU from the instrument panel junction block assembly Click here.

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

      A01VJ9AE01
      Text in Illustration
      *a

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      		 - -
      Standard Resistance
      LH
      Tester Connection Condition Specified Condition
      3B-32 - MB-1 (ILE) Always Below 1 Ω
      RH
      Tester Connection Condition Specified Condition
      3B-17 - MB-1 (ILE) Always Below 1 Ω

    OK

    REPLACE MAIN BODY ECU Click here

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here