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. If a voltage of 12 V is not applied to terminal IG+ when the power switch is turned on (IG), the indicators will not operate.

WIRING DIAGRAM

A003TNHE23

INSPECTION PROCEDURE

PROCEDURE


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


    1. A003RK8E74
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Combination Meter Assembly)

      Disconnect the E46 connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E46-30 (ET) - 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
      E46-33 (IG+) - Body ground Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      E46-32 (B) - Body ground Power switch off 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here