Distance Control Switch Circuit [09/2017 - 05/2019]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Radar Cruise 2 / Data List.
5. Read the Data List according to the display on the Techstream.

   Refer to DATA LIST / ACTIVE TEST [09/2017 - 05/2019]

   Powertrain > Radar Cruise2 > Data List 

   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 pushed OFF: Vehicle-to-vehicle distance control switch not pushed	-

   Powertrain > Radar Cruise2 > Data List 

   Tester Display
   Distance Control Switch

   OK

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

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2017 - 05/2019] 

Result: 

NG 

See step  2

1. Remove the steering pad switch assembly.

   Refer to REMOVAL [09/2017 - ]

2. Inspect the steering pad switch assembly.

   Refer to INSPECTION [09/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [09/2017 - ] 

Result: 

OK 

See step  3

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

   Refer to REMOVAL [09/2017 - 05/2019]

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

   Refer to INSPECTION [09/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY. Refer to  REMOVAL [09/2017 - 05/2019] 

Result: 

OK 

See step  4

1. Disconnect the I4 spiral with sensor cable sub-assembly connector.
2. Disconnect the I157 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
   I4-12 (DIST) - I157-23 (SPSW)	Always	Below 1 Ω
   I4-2 (ECC) - Body ground	Always	Below 1 Ω
   I4-12 (DIST) or I157-23 (SPSW) - Body ground	Always	10 kΩ or higher

4. Connect the I157 driving support ECU assembly connector.
5. Connect the I4 spiral with sensor cable sub-assembly connector.

   Result

   Result	Proceed to
   OK	A
   NG	B

Result: 

A 

REPLACE DRIVING SUPPORT ECU ASSEMBLY. Refer to  REMOVAL [09/2017 - 05/2019] 

Result: 

B 

REPAIR OR REPLACE HARNESS OR CONNECTOR