METER / GAUGE SYSTEM Entire Combination Meter does not Operate

DESCRIPTION

This circuit is the power source circuit for the meter. This circuit provides two types of power sources; one is a constant power source, and the other is an IG power source.

WIRING DIAGRAM

A01W1RPE06

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CONFIRM VEHICLE TYPE


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      w/ Stop and Start System A
      w/o Stop and Start System B

    B

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY CIRCUIT) Click here

    A

  2. CHECK STOP AND START SYSTEM


    1. Check the backup boost converter circuit Click here.

      OK
      The operation of the combination meter assembly returns to normal.

    OK

    END

    NG

  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY CIRCUIT)


    1. A01W5B1E01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Combination Meter Assembly)

      Disconnect the H14 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H14-31 (ES) - Body ground Always Below 1 Ω
      H14-40 (EP) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H14-21 (IG+) - Body ground* Ignition switch off Below 1 V
      Ignition switch ON 11 to 14 V
      H14-22 (B) - Body ground Always 11 to 14 V

      • *: w/o Stop and Start System


    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR