NAVIGATION SYSTEM, Diagnostic DTC:B1321, B1323, B1324, B1563

DTC Code DTC Name
B1321 Lost Communication with EMV
B1323 Lost Communication with Haptic Device
B1324 Lost Communication with Meter
B1563 Haptic Device Disconnected

DESCRIPTION

These DTCs are stored when communication between the radio receiver assembly and remote touch is not possible.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1321 Lost Communication with EMV The components connected via local bus communication do not receive the registration information signal from the radio receiver assembly for 30 seconds or more

  • Local bus circuit between radio receiver assembly and remote touch (remote operation board)

  • Remote touch (remote operation board) power source circuit

  • Harness or connector

  • Remote touch (remote operation board)

  • Radio receiver assembly
B1323 Lost Communication with Haptic Device The radio receiver assembly does not receive the registration information signal from the remote touch (remote operation board) for 30 seconds or more

  • Local bus circuit between radio receiver assembly and remote touch (remote operation board)

  • Remote touch (remote operation board) power source circuit

  • Harness or connector

  • Remote touch (remote operation board)

  • Radio receiver assembly
B1324 Lost Communication with Meter After the radio receiver assembly receives a registration information signal, which is sent by the combination meter assembly when the power switch is turned on (IG), 1 or more times, the radio receiver assembly does not receive the signal for 30 seconds or more

  • Local bus circuit between radio receiver assembly and remote touch (remote operation board)

  • Remote touch (remote operation board) power source circuit

  • Harness or connector

  • Remote touch (remote operation board)

  • Radio receiver assembly
B1563 Haptic Device Disconnected The remote touch (remote operation board) is/was not connected while the power switch is/was on (ACC) or on (IG)

  • Local bus circuit between radio receiver assembly and remote touch (remote operation board)

  • Remote touch (remote operation board) power source circuit

  • Harness or connector

  • Remote touch (remote operation board)

  • Radio receiver assembly

Tech Tips

The radio receiver assembly is the master unit.

WIRING DIAGRAM

A0004TJE24

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

  • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

    Click here

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

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY))


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

    2. Disconnect the H97 radio receiver assembly connector.

    3. Disconnect the H95 remote touch (remote operation board) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H97-3 (CNH1) - H95-5 (MO+) Always Below 1 Ω
      H97-4 (CNL1) - H95-4 (MO-) Always Below 1 Ω
      H97-3 (CNH1) or H95-5 (MO+) - Body ground Always 10 kΩ or higher
      H97-4 (CNL1) or H95-4 (MO-) - Body ground Always 10 kΩ or higher
      H95-5 (MO+) - H95-4 (MO-) Always 10 kΩ or higher
      H95-5 (MO+) - H95-1 (+B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      H95-4 (MO-) - H95-1 (+B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


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

    2. Disconnect the H97 radio receiver assembly connector.

    3. Disconnect the H13 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H97-20 (CNH2) - H13-10 (TX+) Always Below 1 Ω
      H97-21 (CNL2) - H13-9 (TX-) Always Below 1 Ω
      H97-20 (CNH2) or H13-10 (TX+) - Body ground Always 10 kΩ or higher
      H97-21 (CNL2) or H13-9 (TX-) - Body ground Always 10 kΩ or higher
      H13-10 (TX+) - H13-9 (TX-) Always 10 kΩ or higher
      H13-10 (TX+) - H95-1 (+B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      H13-9 (TX-) - H95-1 (+B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION BOARD) POWER SOURCE)


    1. Reconnect the cable from the negative (-) auxiliary battery terminal.

    2. Disconnect the H95 remote touch (remote operation board) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H95-15 (GND) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H95-1 (+B) - H95-15 (GND) Power switch off 11 to 14 V
      H95-2 (ACC) - H95-15 (GND) Power switch on (ACC) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT COMBINATION METER ASSEMBLY


    1. Remove the combination meter assembly.

      Click here

    2. A0007LIC04
      *a

      Component without harness connected

      (Combination Meter Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      10 (TX+) - 9 (TX-) Always 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  5. INSPECT RADIO RECEIVER ASSEMBLY


    1. Remove the radio receiver assembly.

      Click here

    2. A0003PJC10
      *a

      Component without harness connected

      (Radio Receiver Assembly)

      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
      20 (CNH2) - 21 (CNL2) Always 108 to 132 Ω
      3 (CNH1) - 20 (CNH2) Always Below 1 Ω
      4 (CNL1) - 21 (CNL2) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

  6. REMOTE TOUCH SELF CHECK (REMOTE TOUCH SWITCH KNOB FEEDBACK FORCE GENERATION CHECK)


    1. A0005BKC02
      *a Switch Knob
      *b Control Direction
      *c Feedback Force

      Check the remote touch switch knob feedback force.


      1. Move the remote touch switch knob up, down, right and left to check that feedback force is generated.

        OK
        Feedback force is generated.

        Tech Tips

        When the power switch is turned on (ACC), feedback force is generated. When the power switch is turned off, feedback force is not generated, and the remote touch switch knob will move freely.

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REMOTE TOUCH (REMOTE OPERATION BOARD) Click here

    OK

  7. REPLACE COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly with a new or known good one.

      Click here

    2. Clear the DTCs.

      Click here

    3. Recheck for DTCs and check that no DTCs are output.

      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO STEP 9 Click here

    OK

  8. CHECK METER / GAUGE SYSTEM


    1. Turn the power switch on (IG) 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

    NG

  9. REPLACE RADIO RECEIVER ASSEMBLY


    1. Replace the radio receiver assembly with a new or known good one.

      Click here

    2. Clear the DTCs.

      Click here

    3. Recheck for DTCs and check that no DTCs are output.

      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REMOTE TOUCH (REMOTE OPERATION BOARD) Click here

    OK

  10. CHECK REMOTE TOUCH


    1. Turn the power switch on (IG) and wait 30 seconds.

    2. Check that the navigation system can be operated normally using the remote touch (remote operation controller assembly).

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

    OK

    END

    NG

    REPLACE REMOTE OPERATION BOARD Click here