LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 81 (Can Communication System (HEV) - Circuit Tests (2 Of 6)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Combination Meter ECU Communication Stop Mode [09/2022 - ] >> Procedure

Combination Meter ECU Communication Stop Mode [09/2022 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR OPEN IN CAN BUS LINES (COMBINATION METER ASSEMBLY MAIN LINE) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the I5 combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I5-31 (CANH) - I5-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1117928Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Combination Meter Assembly)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (COMBINATION METER ASSEMBLY) 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Disconnect the I4 combination meter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I4-1 (EP) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
      I4-2 (ES) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
      GTY1113069Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Combination Meter Assembly)
    3. Reconnect the cable to the negative (-) auxiliary battery terminal.
    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      I4-5 (B) - Body ground Ignition switch off 11 to 14 V
      I4-6 (IG+) - Body ground Ignition switch ON 11 to 14 V

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)