Distance Control Switch Circuit [10/2015 - ]: Procedure

1. Read the Data List according to the display on the Techstream.

   Refer to DATA LIST / ACTIVE TEST [10/2015 - ]

   RADAR CRUISE
   
   

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Distance Control Switch	Distance control switch signal	ON or OFF	ON: Vehicle-to-vehicle distance control switch on OFF: Vehicle-to-vehicle distance control switch off	-

   OK

   The Data List item shown in the table changes according to the operation of the steering pad switch assembly (distance control switch).

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2015 - ] 

Result: 

NG 

See step  2

1. Remove the steering pad switch assembly.

   Refer to REMOVAL [10/2015 - ]

2. Inspect the steering pad switch assembly.

   Refer to INSPECTION [10/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [10/2015 - ] 

Result: 

OK 

See step  3

1. Remove the spiral with sensor cable sub-assembly.

   Refer to REMOVAL [10/2015 - ]

2. Inspect the spiral with sensor cable sub-assembly.

   Refer to INSPECTION [09/2014 - 09/2016] , or refer to INSPECTION [09/2016 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY. Refer to  REMOVAL [10/2015 - ] 

Result: 

OK 

See step  4

1. Disconnect the N31 spiral with sensor cable sub-assembly connector.
2. Disconnect the N161 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
   N31-12 (DIST) - N161-23 (SPSW)	Always	Below 1 Ω
   N31-2 (ECC) - Body ground	Always	Below 1 Ω
   N31-12 (DIST) or N161-23 (SPSW) - Body ground	Always	10 kΩ or higher

   Result

   Result	Proceed to
   OK	A
   NG	B

Result: 

A 

REPLACE DRIVING SUPPORT ECU ASSEMBLY. Refer to  COMPONENTS [10/2015 - ] 

Result: 

B 

REPAIR OR REPLACE HARNESS OR CONNECTOR