AIRBAG SYSTEM TC and CG Terminal Circuit

DESCRIPTION

DTC output mode is set by connecting terminals TC and CG of the DLC3.

The DTCs are displayed by blinking the SRS warning light.

WIRING DIAGRAM

B007V9GE02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK WIRE HARNESS (DLC3 - CENTER AIRBAG SENSOR ASSEMBLY)


    1. B007QKAE12

      Turn the ignition switch to the LOCK position.

    2. B007PPFE07

      Disconnect the connectors from the center airbag sensor assembly.

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

      Resistance
      Tester connection Condition Specified condition

      H23-13 (TC) -

      B4-15 (TC)

      		 Always Below 1 Ω

    NG

    REPAIR OR REPLACE WIRE HARNESS (TC OF DLC3 - TC OF CENTER AIRBAG SENSOR ASSEMBLY)

    OK

  2. CHECK WIRE HARNESS (CG OF DLC3 - BODY GROUND)


    1. B007QKAE13

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

      Resistance
      Tester connection Condition Specified condition

      H23-4 (CG) -

      Body ground

      		 Always Below 1 Ω

    NG

    REPAIR OR REPLACE WIRE HARNESS (CG OF DLC3 - BODY GROUND)

    OK

  3. CHECK WIRE HARNESS (TC OF CENTER AIRBAG SENSOR ASSEMBLY)


    1. B007PPFE07

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

      Resistance
      Tester connection Condition Specified condition

      B4-15 (TC) -

      Body ground

      		 Always 1 MΩ or higher

    NG

    REPAIR OR REPLACE WIRE HARNESS OR EACH ECU

    OK

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY