Center Airbag Sensor Communication Stop Mode: Procedure

1. Turn the ignition switch off.
2. Disconnect the center airbag sensor assembly connector.
   Fig 1: Checking Center Airbag Sensor E18 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector: (to Center Airbag Sensor Assembly)

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

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   E18-13 (CANH) - E18-22 (CANL)	Ignition switch off	54 to 69 Ω

NG → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CENTER AIRBAG SENSOR ASSEMBLY BRANCH WIRE) 

OK: Go to next step 

1. Disconnect the center airbag sensor assembly connector.
   Fig 2: Checking Center Airbag Sensor E18 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector: (to Center Airbag Sensor Assembly)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E18-25 (E1) - Body ground	Always	Below 1 Ω
   E18-26 (E2) - 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
   E18-21 (IG2) - Body ground	Ignition switch ON	10 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   3