Steering Pad Switch Circuit [08/2021 -]: Procedure

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

   Powertrain > Radar Cruise1 > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Cancel Switch	CANCEL switch status	ON or OFF	ON: CANCEL switch on OFF: CANCEL switch off	-
   -SET Switch	-SET switch status	ON or OFF	ON: -SET switch on OFF: -SET switch off	-
   +RES Switch	+RES switch status	ON or OFF	ON: +RES switch on OFF: +RES switch off	-
   Cruise Main Switch Operation Condition	Cruise control main switch status	ON or OFF	ON: Cruise control main switch pushed OFF: Cruise control main switch not pushed	-

   Powertrain > Radar Cruise1 > Data List 

   Tester Display
   Cancel Switch
   -SET Switch
   +RES Switch
   Cruise Main Switch Operation Condition

   OK

   The value of each Data List item changes according to the operation of the 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 [08/2021 -] 

Result: 

NG 

See step  2

Refer to INSPECTION [04/2018 -]

Result

Result: 

NG 

REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [08/2021 -] 

Result: 

OK 

See step  3

Refer to INSPECTION [04/2018 -]

Result

Result: 

NG 

REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  REMOVAL [08/2021 -] 

Result: 

OK 

See step  4

1. Disconnect the G59 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G20-13 (CCS) - G59-28 (CCS)	Always	Below 1 Ω
   G20-2 (ECC) - Body ground	Always	Below 1 Ω
   G20-13 (CCS) or G59-28 (CCS) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [08/2021 -] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR