CAN COMMUNICATION SYSTEM(for RHD) Center Airbag Sensor Communication Stop Mode

DESCRIPTION

Detection Item Symptoms Trouble Area
Center Airbag Sensor Communication Stop Mode

Either condition is met:


  • "Airbag" is not displayed on "Bus Check".

  • "Center Airbag Sensor Communication Stop Mode" in "DTC Combination Table" applies.

  • Power source or inside of center airbag sensor assembly

  • Center airbag sensor assembly

WIRING DIAGRAM

A000ZZNE04
*1 from IG2 Relay
*2 Center Airbag Sensor Assembly

CAUTION / NOTICE / HINT

Note


  • The vehicle is equipped with an SRS (Supplemental Restraint System) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the Precaution in the SRS Click here.

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

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (CENTER AIRBAG SENSOR ASSEMBLY - BATTERY AND BODY GROUND)


    1. A000Y5BE01
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Center Airbag Sensor Assembly)

      Disconnect the cable from the negative (-) auxiliary battery terminal and wait for at least 90 seconds.

    2. Disconnect the center airbag sensor assembly connector Click here.

    3. Connect the cable to the negative (-) auxiliary battery terminal.

      Note

      When connecting the cable, some systems need to be initialized after the cable is reconnected Click here.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      L73-21 (IG2) - Body ground Power switch on (IG) 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L73-25 (E1) - Body ground Always Below 1 Ω
      L73-26 (E2) - Body ground Always Below 1 Ω

    OK

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR