METER / GAUGE SYSTEM Entire Combination Meter does not Operate

DESCRIPTION

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

WIRING DIAGRAM

B004QB5E05
*1 from IG2 NO. 2 Relay
*2 from Auxiliary Battery
*3 ECU-DCC NO. 2
*4 Combination Meter Assembly (Meter Circuit Plate)

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)


    1. Disconnect the F6 combination meter assembly (meter circuit plate) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F6-28 (ES) - Body ground Always Below 1 Ω
      F6-40 (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
      F6-21 (IG+) - Body ground Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      F6-22 (B) - Body ground Power switch off 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR