Blind Spot Monitor Sensor Communication Stop Mode [10/2015 - ]: Procedure

1. Disconnect the cable from the negative (-) battery terminal.
2. Disconnect the O10 blind spot monitor sensor LH connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Blind Spot Monitor Sensor LH)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O10-2 (CA1P) - O10-7 (CA1N)	Cable disconnected from negative (-) battery terminal	54 to 69 Ω

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (BLIND SPOT MONITOR SENSOR LH) 

Result: 

OK 

See step  2

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Blind Spot Monitor Sensor LH)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O10-10 (BLGD) - Body ground	Cable disconnected from negative (-) battery terminal	Below 1 Ω

2. Reconnect 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

   *a	Front view of wire harness connector (to Blind Spot Monitor Sensor LH)

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   O10-5 (BLB) - Body ground	Engine switch on (IG)	11 to 14 V

Result: 

OK 

REPLACE BLIND SPOT MONITOR SENSOR LH. Refer to  REMOVAL [10/2014 - ] 

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (BLIND SPOT MONITOR SENSOR LH)