NAVIGATION SYSTEM(for Navigation Receiver Type), 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 navigation 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 navigation receiver assembly receives a registration information signal, which is sent by the meter circuit plate when the power switch is turned on (IG), 1 or more times, the navigation 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

  • Navigation receiver assembly

  • Harness or connector

B1325 Lost Communication with HUD After the navigation receiver assembly receives a registration information signal, which is sent by the combination meter mirror ECU when the power switch is turned on (IG), 1 or more times, the navigation 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

  • Navigation receiver assembly

  • Harness or connector


Tech Tips

The navigation receiver assembly is the master unit.

WIRING DIAGRAM

Figure 1. for LHD

B004OFZE09

Figure 2. for RHD

B004OFZE17

CAUTION / NOTICE / HINT

Note


  • 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 MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for LHD A
      for RHD B

    B
    A
  2. CHECK FOR 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
    C
    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
    C
    B
  4. CHECK HARNESS AND CONNECTOR (NAVIGATION 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 F95 navigation 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

    NG
    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. 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
    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. 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

    OK
    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
    NG
  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
    NG
  9. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F95 navigation 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
      F95-3 (CNH1) - F95-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  10. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F95 navigation 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
      F95-3 (CNH1) - F95-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  11. CHECK HARNESS AND CONNECTOR (NAVIGATION 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 F95 navigation 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
    NG
  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
    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
    OK
  14. CHECK HARNESS AND CONNECTOR (NAVIGATION 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 F95 navigation 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
    NG
  15. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F95 navigation 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
      F95-3 (CNH1) - F95-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  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
    NG
  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
    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
    OK
  19. CHECK HARNESS AND CONNECTOR (NAVIGATION 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 F95 navigation 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
    NG
  20. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 11 JUNCTION CONNECTOR)


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

    2. Disconnect the F95 navigation 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
      F95-3 (CNH1) - F95-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  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
    NG
  22. CHECK FOR 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
    C
    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
    C
    B
  24. CHECK HARNESS AND CONNECTOR (NAVIGATION 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 F95 navigation 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

    NG
    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. 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
    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. 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

    OK
    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
    NG
  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
    NG
  29. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F95 navigation 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
      F95-3 (CNH1) - F95-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  30. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F95 navigation 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
      F95-3 (CNH1) - F95-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  31. CHECK HARNESS AND CONNECTOR (NAVIGATION 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 F95 navigation 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
    NG
  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
    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
    OK
  34. CHECK HARNESS AND CONNECTOR (NAVIGATION 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 F95 navigation 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
    NG
  35. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F95 navigation 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
      F95-3 (CNH1) - F95-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  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
    NG
  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
    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
    OK
  39. CHECK HARNESS AND CONNECTOR (NAVIGATION 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 F95 navigation 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
    NG
  40. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 9 JUNCTION CONNECTOR)


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

    2. Disconnect the F95 navigation 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
      F95-3 (CNH1) - F95-4 (CNL1) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  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
    NG