AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B1324, B1325

DTC Code DTC Name
B1324 Lost Communication with Meter
B1325 Lost Communication with HUD

DESCRIPTION

These DTCs are stored when communication between the radio and display receiver assembly and meter circuit plate or combination meter mirror ECU is not possible.

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 meter circuit plate when the power switch is on (ACC), 1 or more times, the radio and display receiver assembly does not receive the signal for 30 seconds or more.

  • Local bus communication line

  • Meter circuit plate power source circuit

  • Meter circuit plate

  • Radio and display receiver assembly

  • Harness or connector
B1325 Lost Communication with HUD After the radio and display receiver assembly receives a registration information signal, which is sent by the combination meter mirror ECU when the power switch is on (ACC), 1 or more times, the radio and display receiver assembly does not receive the signal for 30 seconds or more*

  • Local bus communication line

  • Combination Meter Mirror ECU power source circuit

  • Combination Meter Mirror ECU

  • Radio and display receiver assembly

  • Harness or connector

Tech Tips

The radio and display receiver assembly is the master unit.

WIRING DIAGRAM

Figure 1. for LHD

B004OTME07

Figure 2. for RHD

B004OTME35

CAUTION / NOTICE / HINT

Note


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

PROCEDURE


  1. CHECK MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for LHD A
      for RHD B

    B

    CHECK DTC Click here

    A

  2. CHECK DTC


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


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      B1324 and B1325 are output A
      B1324 is output B
      B1325 is output C

    B

    CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE POWER SOURCE) Click here

    C

    CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU POWER SOURCE) Click here

    A

  3. 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
      F79-2 - F79-13 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

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR) Click here

    B

  4. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F79-2 - F79-13 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR) Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F79-1 - F79-12 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 11 JUNCTION CONNECTOR) Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F79 No. 11 junction connector.

    3. Disconnect the G7 combination meter mirror ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F79-3 - F79-14 Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F79-3 - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F79-14 - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F79-3 - G7-1 (B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      F79-14 - G7-1 (B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 11 JUNCTION CONNECTOR

    NG

  7. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the G7 combination meter mirror ECU connector.

    3. Connect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G7-7 (LCL+) - G7-8 (LCL-) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER MIRROR ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F6 meter circuit plate connector.

    3. Connect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F6-33 (MSCH) - F6-34 (MSCL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE METER CIRCUIT PLATE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  9. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F34 radio and display receiver assembly connector.

    3. Connect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F34-3 (CNH1) - F34-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  10. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F34 radio and display receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F34-3 (CNH1) - F34-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

  11. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F79 No. 11 junction connector.

    3. Connect the F34 radio and display receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F79-2 - F79-13 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 11 JUNCTION CONNECTOR

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  12. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE POWER SOURCE)


    1. Disconnect the F6 meter circuit plate connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F6-28 (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
      F6-22 (B) - Body ground Power switch off 11 to 14 V
      F6-21 (IG+) - Body ground Power switch on (IG) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  13. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F79 No. 11 junction connector.

    3. Connect the F6 meter circuit plate connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F79-1 - F79-12 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 11 JUNCTION CONNECTOR) Click here

    OK

  14. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F79-2 - F79-13 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 11 JUNCTION CONNECTOR

    NG

  15. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F34 radio and display receiver assembly connector.

    3. Connect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F34-3 (CNH1) - F34-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  16. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F6 meter circuit plate connector.

    3. Connect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F6-33 (MSCH) - F6-34 (MSCL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE METER CIRCUIT PLATE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  17. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU POWER SOURCE)


    1. Disconnect the G7 combination meter mirror ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G7-6 (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
      G7-1 (B) - Body ground Power switch off 11 to 14 V
      G7-2 (IG) - Body ground Power switch on (IG) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  18. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F79 No. 11 junction connector.

    3. Connect the G7 combination meter mirror ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F79-3 - F79-14 Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F79-3 - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F79-14 - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F79-3 - G7-1 (B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      F79-14 - G7-1 (B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 11 JUNCTION CONNECTOR) Click here

    OK

  19. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F79-2 - F79-13 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 11 JUNCTION CONNECTOR

    NG

  20. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F34 radio and display receiver assembly connector.

    3. Connect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F34-3 (CNH1) - F34-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  21. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the G7 combination meter mirror ECU connector.

    3. Connect the F79 No. 11 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G7-7 (LCL+) - G7-8 (LCL-) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER MIRROR ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  22. CHECK DTC


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


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      B1324 and B1325 are output A
      B1324 is output B
      B1325 is output C

    B

    CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE POWER SOURCE) Click here

    C

    CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU POWER SOURCE) Click here

    A

  23. 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
      F77-8 - F77-19 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

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR) Click here

    B

  24. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-8 - F77-19 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR) Click here

    OK

  25. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-10 - F77-21 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 9 JUNCTION CONNECTOR) Click here

    OK

  26. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F77 No. 9 junction connector.

    3. Disconnect the G7 combination meter mirror ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-9 - F77-20 Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F77-9 - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F77-20 - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F77-9 - G7-1 (B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      F77-20 - G7-1 (B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 9 JUNCTION CONNECTOR

    NG

  27. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the G7 combination meter mirror ECU connector.

    3. Connect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G7-7 (LCL+) - G7-8 (LCL-) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER MIRROR ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  28. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F6 meter circuit plate connector.

    3. Connect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F6-33 (MSCH) - F6-34 (MSCL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE METER CIRCUIT PLATE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  29. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F34 radio and display receiver assembly connector.

    3. Connect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F34-3 (CNH1) - F34-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  30. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F34 radio and display receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F34-3 (CNH1) - F34-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

  31. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F77 No. 9 junction connector.

    3. Connect the F34 radio and display receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-8 - F77-19 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 9 JUNCTION CONNECTOR

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  32. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE POWER SOURCE)


    1. Disconnect the F6 meter circuit plate connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F6-28 (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
      F6-22 (B) - Body ground Power switch off 11 to 14 V
      F6-21 (IG+) - Body ground Power switch on (IG) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  33. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F77 No. 9 junction connector.

    3. Connect the F6 meter circuit plate connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-10 - F77-21 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 9 JUNCTION CONNECTOR) Click here

    OK

  34. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-8 - F77-19 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 9 JUNCTION CONNECTOR

    NG

  35. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F34 radio and display receiver assembly connector.

    3. Connect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F34-3 (CNH1) - F34-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  36. CHECK HARNESS AND CONNECTOR (METER CIRCUIT PLATE - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F6 meter circuit plate connector.

    3. Connect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F6-33 (MSCH) - F6-34 (MSCL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE METER CIRCUIT PLATE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  37. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU POWER SOURCE)


    1. Disconnect the G7 combination meter mirror ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G7-6 (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
      G7-1 (B) - Body ground Power switch off 11 to 14 V
      G7-2 (IG) - Body ground Power switch on (IG) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  38. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F77 No. 9 junction connector.

    3. Connect the G7 combination meter mirror ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-9 - F77-20 Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F77-9 - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F77-20 - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      F77-9 - G7-1 (B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      F77-20 - G7-1 (B) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 9 JUNCTION CONNECTOR) Click here

    OK

  39. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-8 - F77-19 Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 9 JUNCTION CONNECTOR

    NG

  40. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F34 radio and display receiver assembly connector.

    3. Connect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F34-3 (CNH1) - F34-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  41. CHECK HARNESS AND CONNECTOR (COMBINATION METER MIRROR ECU - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the G7 combination meter mirror ECU connector.

    3. Connect the F77 No. 9 junction connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G7-7 (LCL+) - G7-8 (LCL-) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER MIRROR ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR