NAVIGATION 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 multi-media module receiver assembly and combination meter assembly.

DTC Code DTC Detection Condition Trouble Area
B1324 After the multi-media module receiver assembly receives a registration information signal, which is sent by the combination meter assembly when the engine switch is on (ACC), 1 or more times, the multi-media module receiver assembly cannot receive the signal for 30 seconds or more.

  • Combination meter assembly

  • Multi-media module receiver assembly

  • Harness or connector

WIRING DIAGRAM

B00207BE81
*1 Combination Meter Assembly
*2 Radio and Display Receiver Assembly
*3 Local Bus Communication Line

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 Navigation System Click here.

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

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the F77 multi-media module receiver assembly connector.

    2. Disconnect the E119 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-20 (CNH2) - E119-37 (MSCH) Always Below 1 Ω
      F77-21 (CNL2) - E119-38 (MSCL) Always Below 1 Ω
      F77-20 (CNH2) - Body ground Always 10 kΩ or higher
      F77-21 (CNL2) - Body ground Always 10 kΩ or higher
      F77-20 (CNH2) - F77-21 (CNL2) 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
      F77-20 (CNH2) - Body ground Always Below 1 V
      F77-21 (CNL2) - Body ground Always Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT COMBINATION METER ASSEMBLY


    1. B001WYTE03

      Remove the combination meter assembly Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      37 (MSCH) - 38 (MSCL) Always 108 to 132 Ω

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  3. INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. B001W7PE01

      Remove the multi-media module receiver assembly Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      20 (CNH2) - 21 (CNL2) Always 108 to 132 Ω

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

  4. REPLACE COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly Click here.


    NEXT

  5. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  6. CHECK DTC


    1. Recheck for DTCs and check if the same DTCs are output again Click here.

      OK
      No DTCs are output.

    OK

    END (COMBINATION METER ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here