Inspection Procedure: Procedure

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR OPEN IN CAN BUS WIRE (CENTER AIRBAG SENSOR BRANCH WIRE)

Turn the ignition switch off.

Disconnect the center airbag sensor assembly connector.

Fig 1: Center Airbag Sensor Branch Wire Connector Terminal Identification

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

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

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

Standard Resistance

Tester Connection	Switch Condition	Specified Condition
E14-13 (CANH) - E14-22 (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

CHECK HARNESS AND CONNECTOR (IG2, E1, E2)

Disconnect the center airbag sensor assembly connector.

Fig 2: Harness and E14 Connector Terminal Identification

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

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

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

Standard Resistance

Tester Connection	Condition	Specified Condition
E14-25 (E1) - Body ground	Always	Below 1 Ω
E14-26 (E2) - Body ground	Always	Below 1 Ω

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

Standard Voltage

Tester Connection	Switch Condition	Specified Condition
E14-21 (IG2) - Body ground	Ignition switch ON	10 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → See step 3

REPLACE CENTER AIRBAG SENSOR ASSEMBLY. Refer to REMOVAL