AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B1324

DTC Code DTC Name
B1324 Lost Communication with Meter

DESCRIPTION

This DTC is stored when a communication error occurs between the radio and display receiver assembly and combination meter assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1324 Lost Communication with Meter CAN reception error

  • Local bus communication line

  • Combination meter assembly power source circuit

  • Combination meter assembly

  • Radio and display receiver assembly

  • Harness or connector

Tech Tips

The radio and display receiver assembly is the master unit.

WIRING DIAGRAM

B006YORE03

CAUTION / NOTICE / HINT

Note


  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:


    • A communication malfunction DTC may be stored.

    • The radio and display receiver assembly may not operate normally.

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

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY POWER SOURCE)


    1. Disconnect the K21 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K21-21 (ES) - 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
      K21-40 (B) - Body ground Always 11 to 14 V
      K21-39 (IG+) - Body ground Ignition switch ON 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Disconnect the K21 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K21-36 (TX+) - K21-37 (TX-) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

  3. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the K2 radio and display receiver assembly connector.

    2. Disconnect the K21 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K2-5 (CNH1) - K21-36 (TX+) Always Below 1 Ω
      K2-6 (CNL1) - K21-37 (TX-) Always Below 1 Ω
      K2-5 (CNH1) or K21-36 (TX+) - Body ground Always 10 kΩ or higher
      K2-6 (CNL1) or K21-37 (TX-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR