Pre-collision System Cancel Switch Circuit [10/2014 - 10/2015]: Procedure

1. Remove the pre-collision system cancel switch assembly (Refer to REMOVAL [10/2014 - 10/2015] ).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 - 2	Pressed	Below 1 Ω
   	Not pressed	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Pre-collision system cancel switch assembly)

Result: 

NG 

REPLACE PRE-COLLISION SYSTEM CANCEL SWITCH ASSEMBLY 

(Refer to COMPONENTS [10/2014 - 10/2015] )

Result: 

OK 

See step  2

1. Disconnect the D33 pre-collision system cancel switch assembly connector.
2. Disconnect the D38 driving support ECU assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D33-1 - D38-5 (PBSW)	Always	Below 1 Ω
   D33-1 or D38-5 (PBSW) - Body ground	Always	10 kΩ or higher

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Disconnect the D33 pre-collision system cancel switch assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D33-2 - Body ground	Always	Below 1 Ω

Result: 

OK 

REPLACE DRIVING SUPPORT ECU ASSEMBLY 

(Refer to COMPONENTS [10/2014 - 10/2015] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR