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NAVIGATION SYSTEM, Diagnostic DTC:B1324

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DTC Code DTC Name
B1324 Lost Communication with Meter
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DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area
B1324 Lost Communication with Meter After the navigation receiver assembly receives a registration information signal, which is sent by the combination meter assembly when the ignition switch is ACC, 1 or more times, the navigation receiver assembly cannot receive the signal for 30 seconds or more.

  • Combination meter assembly

  • Navigation receiver assembly

  • Harness or connector
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

  • Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

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  • When replacing the combination meter assembly, make sure to replace it with a new one.

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PROCEDURE


  1. Click here

    CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the G114 navigation receiver assembly connector.

    2. Disconnect the G9 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G114-3 (CNH1) - G9-38 (LCL+) Always Below 1 Ω
      G114-4 (CNL1) - G9-37 (LCL-) Always Below 1 Ω
      G114-3 (CNH1) - Body ground Always 10 kΩ or higher
      G114-4 (CNL1) - Body ground Always 10 kΩ or higher
      G114-3 (CNH1) - G114-4 (CNL1) Always 10 kΩ or higher

    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G114-3 (CNH1) - Body ground Always Below 1 V
      G114-4 (CNL1) - Body ground Always Below 1 V
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

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    INSPECT COMBINATION METER ASSEMBLY


    1. Remove the combination meter assembly.

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    2. B0026VYN01
      Table 1.
      *1 LCL+
      *2 LCL-

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      38 (LCL+) - 37 (LCL-) Always 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

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    INSPECT NAVIGATION RECEIVER ASSEMBLY


    1. Remove the navigation receiver assembly.

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    2. B0027UHN01

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 (CNH1) - 4 (CNL1) Always 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

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    CHECK COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly.

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    2. Clear the DTCs.

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      1. Body Electrical > Navigation System > Clear DTCs


    3. Check for DTCs.


      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

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    CHECK METER / GAUGE SYSTEM


    1. Turn the ignition switch to ON and wait 30 seconds.

    2. Operate the steering pad switch assembly and check that the audio tab is displayed on the multi-information display in the combination meter assembly and the audio system can be operated normally.

      OK
      Audio system returns to normal.
      Result
      Proceed to
      OK
      NG

    • OK

      END (COMBINATION METER ASSEMBLY IS DEFECTIVE)

    • NG

      REPLACE NAVIGATION RECEIVER ASSEMBLYClick here