Steering Angle Sensor Communication Stop Mode [11/2015 - ]: Procedure

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Disconnect the spiral cable with sensor sub-assembly (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
   G30-4 (CANH) - G30-3 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Spiral Cable with Sensor Sub-assembly (Steering Sensor))

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY (STEERING SENSOR)) 

Result: 

OK 

See step  2

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
   G30-2 (ESS) - Body ground	Cable disconnected from negative (-) auxiliary battery terminal	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Spiral Cable with Sensor Sub-assembly (Steering Sensor))

2. Connect the cable to the negative (-) auxiliary 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 Value
   G30-5 (IG) - Body ground	Ignition switch ON (IG)	11 to 14 V
   G30-6 (BAT) - Body ground	Ignition switch off	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Spiral Cable with Sensor Sub-assembly (Steering Sensor))

Result: 

OK 

REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY 

Refer to REMOVAL [11/2015 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)