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 CAN BUS LINE FOR DISCONNECTION (STEERING ANGLE SENSOR BRANCH WIRE)

Turn the ignition switch off.

Fig 1: Steering Angle Sensor Branch Wire Connector Terminal Identification

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

*a	Front view of wire harness connector (to Steering Angle Sensor)

Disconnect the steering angle sensor connector.

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

Standard Resistance

Tester Connection	Switch Condition	Specified Condition
E49-3 (CANH) - E49-2 (CANL)	Ignition switch off	54 to 69 Ω

NG → REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO STEERING ANGLE SENSOR

OK: Go to next step

CHECK HARNESS AND CONNECTOR (IG, ESS)

Disconnect the steering angle sensor connector.

Fig 2: E49 Connector Terminal Identification

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

*a	Front view of wire harness connector (to Steering Angle Sensor)

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

Standard Resistance

Tester Connection	Condition	Specified Condition
E49-1 (ESS) - 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
E49-4 (IG) - Body ground	Ignition switch ON	10 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → See step 3

REPLACE STEERING ANGLE SENSOR. Refer to REMOVAL