CAN COMMUNICATION SYSTEM(for LHD) Combination Meter ECU Communication Stop Mode

DESCRIPTION

Detection Item Symptom Trouble Area
Combination Meter ECU Communication Stop Mode

Either condition is met:


  • "Combination Meter" is not displayed on the "Bus Check" screen.

  • "Combination Meter ECU Communication Stop Mode" in "DTC Combination Table" applies.

  • Power source or inside of combination meter assembly

  • Combination meter assembly

WIRING DIAGRAM

A01X4VRE14
*1 from Battery
*2 from IG2 Relay
*3 Combination Meter Assembly

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


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


    1. A01X6AQE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Combination Meter Assembly)

      Disconnect the E7 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E7-15 (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
      E7-17 (B) - Body ground Always 11 to 14 V
      E7-18 (IG+) - Body ground Ignition switch ON 11 to 14 V
      Result
      Result Proceed to
      OK (w/ Multi-information Display) A
      OK (w/o Multi-information Display) B
      NG C

    A

    REPLACE COMBINATION METER ASSEMBLY Click here

    B

    REPLACE COMBINATION METER ASSEMBLY Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR