LIN COMMUNICATION SYSTEM, Diagnostic DTC:B2662

DTC Code DTC Name
B2662 Lost Communication with Clock/Outside Temperature Display

DESCRIPTION

This DTC is stored when LIN communication between the driving support switch control ECU and accessory meter assembly stops for 10 seconds or more.

DTC Code DTC Detection Condition Trouble Area
B2662 No communication between the driving support switch control ECU and accessory meter assembly for 10 seconds or more.

  • Driving support switch control ECU

  • Accessory meter assembly

  • Harness or connector

WIRING DIAGRAM

A0096INE11

INSPECTION PROCEDURE

Note


  • When using the intelligent tester with the ignition switch off to troubleshoot:

    Connect the intelligent tester to the vehicle and turn a courtesy light switch on and off at 1.5 second intervals until communication between the intelligent tester and vehicle begins.

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

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTC B2662 is not output.

    NG

    CHECK HARNESS AND CONNECTOR (DRIVING SUPPORT SWITCH CONTROL ECU - ACCESSORY METER) Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  3. CHECK HARNESS AND CONNECTOR (DRIVING SUPPORT SWITCH CONTROL ECU - ACCESSORY METER)


    1. Disconnect the G76 driving support switch control ECU connector.

    2. Disconnect the H32 accessory meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G76-5 (LIN) - H32-14 (LIN) Always Below 1 Ω
      G76-5 (LIN) or H32-14 (LIN) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (ACCESSORY METER - BATTERY AND BODY GROUND)


    1. A0099K1E01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Accessory Meter Assembly)

      Disconnect the H32 accessory meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H32-8 (GND) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      H32-12 (+B) - Body ground Always 11 to 14 V
      H32-11 (IG) - Body ground Ignition switch ON 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. REPLACE ACCESSORY METER ASSEMBLY


    1. Temporarily replace the accessory meter assembly with a new or normally functioning one Click here.


    NEXT

  6. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  7. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTC B2662 is not output.

    NG

    REPLACE DRIVING SUPPORT SWITCH CONTROL ECU Click here

    OK

    END (ACCESSORY METER IS DEFECTIVE)