NAVIGATION SYSTEM(for Radio and Display Type), 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

After the radio and display 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 radio and display receiver assembly cannot receive the signal for 30 seconds or more.

  • Combination meter assembly

  • Radio and display receiver assembly

  • Harness or connector

WIRING DIAGRAM

E268494E59

CAUTION / NOTICE / HINT

Note:

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

    Click hereClick here

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

PROCEDURE

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

    1. Disconnect the G159 radio and display receiver assembly connector.

    2. Disconnect the G16 combination meter assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G159-3 (CNH1) - G16-23 (MSCH)

      Always

      Below 1 Ω

      G159-4 (CNL1) - G16-22 (MSCL)

      Always

      Below 1 Ω

      G159-3 (CNH1) - Body ground

      Always

      10 kΩ or higher

      G159-4 (CNL1) - Body ground

      Always

      10 kΩ or higher

      G159-3 (CNH1) - G159-4 (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

      G159-3 (CNH1) - Body ground

      Always

      Below 1 V

      G159-4 (CNL1) - Body ground

      Always

      Below 1 V

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT COMBINATION METER ASSEMBLY

    1. Remove the combination meter assembly.

      Click here

    2. E317642N02

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      23 (MSCH) - 22 (MSCL)

      Always

      108 to 132 Ω

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE COMBINATION METER ASSEMBLY

    Click here

    OK

  3. INSPECT RADIO & DISPLAY RECEIVER ASSEMBLY

    1. Remove the radio and display receiver assembly.

      Click here

    2. E317643N01

      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
    NG

    REPLACE RADIO & DISPLAY RECEIVER ASSEMBLY

    Click here

    OK

  4. CHECK COMBINATION METER ASSEMBLY

    1. Replace the combination meter assembly.

      Click here

    2. Clear the DTCs.

      Click hereClick here

      Body Electrical > Navigation System > Clear DTCs

    3. Check for DTCs.

      Body Electrical > Navigation System > Trouble Codes

      OK

      No DTCs are output.

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE RADIO & DISPLAY RECEIVER ASSEMBLY

    Click here

    OK

  5. 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 RADIO & DISPLAY RECEIVER ASSEMBLY

    Click here