METER / GAUGE SYSTEM Voltage Meter Malfunction

DESCRIPTION

The voltmeter indicates the voltage applied to the IG+ terminal of the combination meter.

WIRING DIAGRAM

A01EPIQE01

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT FUSE (MET)


    1. Remove the MET fuse from the engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      MET fuse Always Below 1 Ω

    NG

    REPLACE FUSE

    OK

  2. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (VOLTMETER)


    1. Operate the intelligent tester according to the display and select the Active Test Click here.

      Combination Meter
      Tester Display Test Part Control Range Diagnostic Note
      Volt meter Operation Voltmeter 0, 3, 6, 9, 12, 15, or 18 Perform the test with the vehicle stopped and the engine idling.
      OK
      Needle indication is normal.

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER - BATTERY AND BODY GROUND)

    A01ERY4E02

    1. Disconnect the E77 meter connector.

    2. Measure the resistance and voltage according to the value(s) in the tables below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E77-26 (ET) - Body ground Always Below 1 Ω
      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      E77-30 (IG+) - Body ground Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here