Pre-collision System Switch Circuit [08/2016 - ]: Procedure

1. Disconnect the F43 pre-collision system cancel switch assembly connector.
2. Disconnect the N5 pre-collision city sensor connector.
3. Measure the resistance according to the value (s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F43-4 (ECU) - N5-9 (PCSW)	Always	Below 1 Ω
   F43-1 (GND) - Body ground	Always	Below 1 Ω
   F43-4 (ECU) - Body ground	Always	10 kΩ or higher

4. Connect the N5 pre-collision city sensor connector.
5. Connect the F43 pre-collision system cancel switch assembly connector.

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Remove the pre-collision system cancel switch assembly.

   Refer to REMOVAL [08/2016 - ]

2. Inspect the pre-collision system cancel switch assembly.

   Refer to INSPECTION [08/2016 - ]

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2016 - ] 

Result: 

NG 

REPLACE PRE-COLLISION SYSTEM CANCEL SWITCH ASSEMBLY. Refer to  COMPONENTS [08/2016 - ]