NAVIGATION SYSTEM, Diagnostic DTC:B1321, B1322, B1323, B1324, B1325, B1326, B1542, B1563

DTC Code DTC Name
B1321 Lost Communication with EMV
B1322 Lost Communication with Display
B1323 Lost Communication with Haptic Device
B1324 Lost Communication with Meter
B1325 Lost Communication with HUD
B1326 Lost Communication with Clock Device (Local-CAN)
B1542 Clock Device Disconnected (Local-CAN)
B1563 Haptic Device Disconnected

DESCRIPTION

These DTCs are stored when communication between the radio receiver assembly and remote touch (remote operation board), accessory meter assembly, combination meter assembly, headup display (meter mirror sub-assembly) or clock assembly 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 communication line

  • Remote touch (remote operation board)

  • Accessory meter assembly

  • Combination meter assembly

  • Headup display (meter mirror sub-assembly)*1

  • Clock assembly

  • Radio receiver assembly

  • No. 2 CAN junction connector

  • Harness or connector

B1322 Lost Communication with Display The radio receiver assembly does not receive the registration information signal from the accessory meter assembly for 30 seconds or more
  • Local bus communication line

  • Accessory meter assembly power source circuit

  • Accessory meter assembly

  • Radio receiver assembly

  • No. 2 CAN junction connector

  • Harness or connector

  • Stop and start system*2

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 communication line

  • Remote touch (remote operation board) power source circuit

  • Remote touch (remote operation board)

  • Radio receiver assembly

  • No. 2 CAN junction connector

  • Harness or connector

  • Stop and start system*2

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 engine 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 communication line

  • Combination meter assembly power source circuit

  • Combination meter assembly

  • Radio receiver assembly

  • No. 2 CAN junction connector

  • Harness or connector

  • Stop and start system*2

B1325 Lost Communication with HUD After the radio receiver assembly receives a registration information signal, which is sent by the headup display (meter mirror sub-assembly) when the engine switch is turned on (IG), 1 or more times, the radio receiver assembly does not receive the signal for 30 seconds or more*1
  • Local bus communication line

  • Headup display (meter mirror sub-assembly) power source circuit

  • Headup display (meter mirror sub-assembly)

  • Radio receiver assembly

  • No. 2 CAN junction connector

  • Harness or connector

  • Stop and start system*2

B1326 Lost Communication with Clock Device (Local-CAN) After the radio receiver assembly receives a registration information signal, which is sent by the clock assembly when the engine 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 communication line

  • Clock assembly power source circuit

  • Clock assembly

  • Radio receiver assembly

  • No. 2 CAN junction connector

  • Harness or connector

B1542 Clock Device Disconnected (Local-CAN) After the engine switch turned on (ACC), the registration information signal from the clock assembly does not match with the registration history information
  • Local bus communication line

  • Clock assembly power source circuit

  • Clock assembly

  • Radio receiver assembly

  • No. 2 CAN junction connector

  • Harness or connector

B1563 Haptic Device Disconnected The remote touch (remote operation board) is/was not connected while the engine switch is/was on (ACC) or on (IG)
  • Local bus communication line

  • Remote touch (remote operation board) power source circuit

  • Remote touch (remote operation board)

  • Radio receiver assembly

  • No. 2 CAN junction connector

  • Harness or connector

  • Stop and start system*2


Tech Tips

The radio receiver assembly is the master unit.

WIRING DIAGRAM

B005O1UE02

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 engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) 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 DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs
    2. Recheck for DTCs and check that no DTCs are output.


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      All DTCs are not output A
      All DTCs are output B
      DTC B1321 is output C
      DTC B1322 is output D
      DTCs B1323 or B1563 are output E
      DTC B1324 is output F
      DTC B1325 is output G
      DTCs B1326 or B1542 are output H

    A
    C
    D
    E
    F
    G
    H
    B
  2. CHECK LOCAL BUS


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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J93-6 - J93-16 Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      Result
      Result Proceed to
      OK A
      NG (Below 54 Ω) B
      NG (70 Ω or higher) C

    A
    C
    B
  3. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J93 No. 2 CAN junction connector.

    3. Connect the J50 radio receiver assembly connector.

    4. B005LZRC27
      *a

      Front view of wire harness connector

      (to No. 2 CAN Junction Connector)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J93-6 - J93-16 Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    NG
    OK
  4. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J93 No. 2 CAN junction connector.

    3. Connect the J11 combination meter assembly connector.

    4. B005LZRC27
      *a

      Front view of wire harness connector

      (to No. 2 CAN Junction Connector)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J93-2 - J93-12 Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    NG
    OK
  5. CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION BOARD) - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J93 No. 2 CAN junction connector.

    3. Connect the g1 remote touch (remote operation board) connector.

    4. B005LZRC27
      *a

      Front view of wire harness connector

      (to No. 2 CAN Junction Connector)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J93-8 - J93-18 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Result
      Proceed to
      OK
      NG

    NG
    OK
  6. CHECK HARNESS AND CONNECTOR (ACCESSORY METER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J93 No. 2 CAN junction connector.

    3. Connect the J137 accessory meter assembly connector.

    4. B005LZRC27
      *a

      Front view of wire harness connector

      (to No. 2 CAN Junction Connector)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J93-5 - J93-15 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Result
      Proceed to
      OK
      NG

    NG
    OK
  7. CHECK HARNESS AND CONNECTOR (HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J93 No. 2 CAN junction connector.

    3. Connect the K1 headup display (meter mirror sub-assembly) connector.

    4. B005LZRC27
      *a

      Front view of wire harness connector

      (to No. 2 CAN Junction Connector)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J93-1 - J93-11 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Result
      Proceed to
      OK
      NG

    NG
    OK
  8. CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J93 No. 2 CAN junction connector.

    3. Connect the J79 clock assembly connector.

    4. B005LZRC27
      *a

      Front view of wire harness connector

      (to No. 2 CAN Junction Connector)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J93-3 - J93-13 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG
  9. CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J79 clock assembly connector.

    3. Connect the J93 No. 2 CAN junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J79-5 (TX1+) - J79-6 (TX1-) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  10. CHECK HARNESS AND CONNECTOR (HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the K1 headup display (meter mirror sub-assembly) connector.

    3. Connect the J93 No. 2 CAN junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K1-7 (TX+) - K1-8 (TX-) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  11. CHECK HARNESS AND CONNECTOR (ACCESSORY METER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J137 accessory meter assembly connector.

    3. Connect the J93 No. 2 CAN junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J137-16 (TX2+) - J137-15 (TX2-) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  12. CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION BOARD) - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the g1 remote touch (remote operation board) connector.

    3. Connect the J93 No. 2 CAN junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      g1-5 (CANH) - g1-4 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  13. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J11 combination meter assembly connector.

    3. Connect the J93 No. 2 CAN junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J11-10 (TX+) - J11-9 (TX-) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  14. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J50 radio receiver assembly connector.

    3. Connect the J93 No. 2 CAN junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J50-20 (CNH2) - J50-21 (CNL2) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  15. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J50 radio receiver assembly connector.

    3. Connect the J93 No. 2 CAN junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J50-20 (CNH2) - J50-21 (CNL2) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  16. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J93 No. 2 CAN junction connector.

    3. Connect the J50 radio receiver assembly connector.

    4. B005LZRC27
      *a

      Front view of wire harness connector

      (to No. 2 CAN Junction Connector)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J93-6 - J93-16 Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  17. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J50 radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J50-20 (CNH2) - J50-21 (CNL2) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  18. CHECK HARNESS AND CONNECTOR (ACCESSORY METER ASSEMBLY POWER SOURCE)


    1. Disconnect the J137 accessory meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J137-13 (GND1) - 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
      J137-12 (B) - Body ground Always

      11 to 14 V*1

      9.5 to 14 V*2

      J137-24 (ACC) - Body ground Engine switch on (ACC)

      11 to 14 V*1

      9.5 to 14 V*2

      J137-23 (IG) - Body ground Engine switch on (IG) 11 to 14 V

      • *1: w/o Stop and Start System

        *2: w/ Stop and Start System

      Result
      Result Proceed to
      OK A
      NG (w/o Stop and Start System) B
      NG (w/ Stop and Start System) C

    B
    C
    A
  19. CHECK HARNESS AND CONNECTOR (ACCESSORY METER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J137 accessory meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J137-16 (TX2+) - J137-15 (TX2-) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  20. CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION BOARD) POWER SOURCE)


    1. Disconnect the g1 remote touch (remote operation board) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      g1-15 (GND) - 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
      g1-1 (+B) - Body ground Always

      11 to 14 V*1

      9.5 to 14 V*2

      g1-2 (ACC) - Body ground Engine switch on (ACC)

      11 to 14 V*1

      9.5 to 14 V*2


      • *1: w/o Stop and Start System

        *2: w/ Stop and Start System

      Result
      Result Proceed to
      OK A
      NG (w/o Stop and Start System) B
      NG (w/ Stop and Start System) C

    B
    C
    A
  21. CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION BOARD) - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the g1 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
      g1-5 (CANH) - g1-4 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  22. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY POWER SOURCE)


    1. Disconnect the J10 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J10-31 (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
      J10-22 (B) - Body ground Always 11 to 14 V
      J10-21 (IG+) - Body ground Engine switch on (IG)

      11 to 14 V*1

      9.5 to 14 V*2


      • *1: w/o Stop and Start System

        *2: w/ Stop and Start System

      Result
      Result Proceed to
      OK A
      NG (w/o Stop and Start System) B
      NG (w/ Stop and Start System) C

    B
    C
    A
  23. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J11 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J11-10 (TX+) - J11-9 (TX-) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  24. CHECK HARNESS AND CONNECTOR (HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) POWER SOURCE)


    1. Disconnect the K1 headup display (meter mirror sub-assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K1-6 (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
      K1-1 (B) - Body ground Always

      11 to 14 V*1

      9.5 to 14 V*2

      K1-2 (IG) - Body ground Engine switch on (IG)

      11 to 14 V*1

      9.5 to 14 V*2


      • *1: w/o Stop and Start System

        *2: w/ Stop and Start System

      Result
      Result Proceed to
      OK A
      NG (w/o Stop and Start System) B
      NG (w/ Stop and Start System) C

    B
    C
    A
  25. CHECK HARNESS AND CONNECTOR (HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the K1 headup display (meter mirror sub-assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K1-7 (TX+) - K1-8 (TX-) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  26. CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY POWER SOURCE)


    1. Disconnect the J79 clock assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J79-7 (E) - 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
      J79-1 (B) - Body ground Always 11 to 14 V
      J79-2 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG
    OK
  27. CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY - NO. 2 CAN JUNCTION CONNECTOR)


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

    2. Disconnect the J79 clock assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J79-5 (TX1+) - J79-6 (TX1-) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG