LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2018 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostic Codes) (1 Of 2) >> Navigation System >> DTC B1323: Lost Communication with Haptic Device; DTC B1324: Lost Communication with Meter; DTC B1325: Lost Communication with HUD; DTC B1326: Lost Communication with Clock Device (Local-CAN) [08/2019 - ] >> Procedure

DTC B1323: Lost Communication with Haptic Device; DTC B1324: Lost Communication with Meter; DTC B1325: Lost Communication with HUD; DTC B1326: Lost Communication with Clock Device (Local-CAN) [08/2019 - ]: Procedure

  1. CHECK DTC 
    1. Check for DTCs.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTC B1323, B1324, B1325* and B1326 are not output A
      DTC B1323, B1324, B1325* and B1326 are output B
      DTC B1323 is output C
      DTC B1324 is output D
      DTC B1325 is output E
      DTC B1326 is output F

      *: w/ Headup Display System

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - 07/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ] 

    Result: 

    C 

    See step  17

    Result: 

    D 

    See step  19

    Result: 

    E 

    See step  21

    Result: 

    F 

    See step  23

    Result: 

    B 

    See step  2

  2. CHECK LOCAL BUS 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J161-10 - J161-21 Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Result Proceed to
      OK A
      NG (Below 54 Ω) B
      NG (70 Ω or higher) C

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - 07/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ] 

    Result: 

    C 

    See step  13

    Result: 

    B 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (NO. 13 CAN JUNCTION CONNECTOR - RADIO RECEIVER ASSEMBLY) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J161 No. 13 CAN junction connector.
    3. Connect the J151 radio receiver assembly connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J161-10 - J161-21 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  12

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (NO. 13 CAN JUNCTION CONNECTOR - REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J161 No. 13 CAN junction connector.
    3. Connect the J154 remote touch (remote operation controller assembly) connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J161-11 - J161-22 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  11

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (NO. 13 CAN JUNCTION CONNECTOR - COMBINATION METER ASSEMBLY) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J161 No. 13 CAN junction connector.
    3. Connect the J11 combination meter assembly connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J161-8 - J161-19 Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  10

    Result: 

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (NO. 13 CAN JUNCTION CONNECTOR - CLOCK ASSEMBLY) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J161 No. 13 CAN junction connector.
    3. Connect the J79 clock assembly connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J161-9 - J161-20 Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result Proceed to
      OK (w/o Headup Display System) A
      OK (w/ Headup Display System) B
      NG C

    Result: 

    A 

    REPLACE NO. 13 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    See step  9

    Result: 

    B 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (NO. 13 CAN JUNCTION CONNECTOR - HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY)) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J161 No. 13 CAN junction connector.
    3. Connect the K1 headup display (meter mirror sub-assembly) connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J161-7 - J161-18 Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 13 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the K1 headup display (meter mirror sub-assembly) connector.
    3. Connect the J161 No. 13 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 (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  9. CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J79 clock assembly connector.
    3. Connect the J161 No. 13 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 (TX+1) - J79-6 (TX-1) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CLOCK ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  10. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J11 combination meter assembly connector.
    3. Connect the J161 No. 13 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 (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  11. CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J154 remote touch (remote operation controller assembly) connector.
    3. Connect the J161 No. 13 CAN junction connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J154-9 (MO+) - J154-8 (MO-) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  12. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J151 radio receiver assembly connector.
    3. Connect the J161 No. 13 CAN junction connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J151-5 (CNH1) - J151-6 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  13. CHECK HARNESS AND CONNECTOR (NO. 13 CAN JUNCTION CONNECTOR - RADIO RECEIVER ASSEMBLY) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J161 No. 13 CAN junction connector.
    3. Connect the J151 radio receiver assembly connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J161-10 - J161-21 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  16

    Result: 

    OK 

    See step  14

  14. CHECK HARNESS AND CONNECTOR (NO. 13 CAN JUNCTION CONNECTOR - REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J161 No. 13 CAN junction connector.
    3. Connect the J154 remote touch (remote operation controller assembly) connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J161-11 - J161-22 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 13 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  15

  15. CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J154 remote touch (remote operation controller assembly) connector.
    3. Connect the J161 No. 13 CAN junction connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J154-9 (MO+) - J154-8 (MO-) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  16. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J151 radio receiver assembly connector.
    3. Connect the J161 No. 13 CAN junction connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J151-5 (CNH1) - J151-6 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  17. CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) POWER SOURCE) 
    1. Disconnect the J154 remote touch (remote operation controller assembly) connector.
    2. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J154-10 (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
      J154-1 (+B) - Body ground Power switch off 11 to 14 V
      J154-6 (ACC) - Body ground Power switch on (ACC) 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  18

  18. CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J154 remote touch (remote operation controller assembly) connector.
    3. Connect the J161 No. 13 CAN junction connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J154-9 (MO+) - J154-8 (MO-) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  19. 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 Power switch off 11 to 14 V
      J10-21 (IG+) - Body ground Power switch on (IG) 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  20

  20. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J11 combination meter assembly connector.
    3. Connect the J161 No. 13 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 (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  21. 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 Power switch off 11 to 14 V
      K1-2 (IG) - Body ground Power switch on (IG) 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  22

  22. CHECK HARNESS AND CONNECTOR (HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the K1 headup display (meter mirror sub-assembly) connector.
    3. Connect the J161 No. 13 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 (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  23. 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 Power switch off 11 to 14 V
      J79-2 (ACC) - Body ground Power switch on (ACC) 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  24

  24. CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY - NO. 13 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the J79 clock assembly connector.
    3. Connect the J161 No. 13 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 (TX+1) - J79-6 (TX-1) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CLOCK ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

scientia non olet · About LEMON Manuals