Steering Angle Sensor Communication Stop Mode [08/2015 - ]: Procedure

1. Disconnect the cable from the negative (-) battery terminal.
2. Disconnect the steering sensor connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I29-3 (CANH) - I29-2 (CANL)	Cable disconnected from negative (-) battery terminal	54 to 69 Ω

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

NG → REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (STEERING SENSOR) 

OK: Go to next step 

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I29-1 (ESS) - Body ground	Cable disconnected from negative (-) battery terminal	Below 1 Ω

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

2. Connect the cable to the negative (-) battery terminal.
3. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   I29-4 (IG) - Body ground	Ignition switch ON	11 to 14 V
   I29-5 (BAT) - Body ground	Ignition switch off	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

OK → See step   3