METER / GAUGE SYSTEM Odo/Trip Switch Malfunction

DESCRIPTION

The ODO/TRIP display of the meter changes each time the ODO/TRIP switch on the light control rheostat is pressed.

Tech Tips

For more information about changing between displays, refer to the owner's manual.

WIRING DIAGRAM

A01EOPLE02

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (LIGHT CONTROL RHEOSTAT)


    1. Operate the intelligent tester according to the display and select the Data List Click here.

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      ODO/TRIP Change SW ODO/TRIP switch condition/ON or OFF

      ON: ODO/TRIP switch pushed

      OFF: ODO/TRIP switch not pushed

      		 -
      OK
      Switch condition (ON/OFF) can be switched by actual operation.

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  2. INSPECT LIGHT CONTROL RHEOSTAT (ODO/TRIP SWITCH)


    1. A01EOL2E01

      Remove the light control rheostat Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      4 (A/B) - 1 (E) ODO/TRIP switch on (Pushed) Below 100 Ω
      ODO/TRIP switch off (Not pushed) 1 MΩ or higher

    NG

    REPLACE LIGHT CONTROL RHEOSTAT Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER - LIGHT CONTROL RHEOSTAT)


    1. A01ERLCE01

      Disconnect the E77 meter connector.

    2. Disconnect the E9 switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E77-27 (RSET) - E9-4 (A/B) Always Below 1 Ω
      E77-34 (E2) - E9-1 (E)
      E77-34 (E2) - Body ground
      E77-27 (RSET) or E9-4 (A/B) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here