Yaw Rate Sensor Communication Stop Mode [08/2014 - ]: Procedure

1. Turn the power switch off.
2. Disconnect the yaw rate and acceleration 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	Switch Condition	Specified Condition
   H87-3 (CANH) - H87-2 (CANL)	Power switch off	54 to 69 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Yaw Rate and Acceleration Sensor)

Result:  NG

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (YAW RATE AND ACCELERATION SENSOR) 

Result:  OK

OK 

See step  2

1. 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
   H87-4 (IG) - Body ground	Power switch on (IG)	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Yaw Rate and Acceleration Sensor)

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

Result:  OK

OK 

See step  3

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
   H87-1 (GND) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Yaw Rate and Acceleration Sensor)

Result:  OK

OK 

REPLACE YAW RATE AND ACCELERATION SENSOR 

(See article. Refer to REMOVAL [08/2014 - ] )

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT)