Cruise Control Switch Circuit [01/2023 - ]: Procedure
- READ VALUE USING TECHSTREAM (Radar Cruise1)
- 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 cruise control main switch.
Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [01/2023 - ]
Result:
NG
See step 2
- Read the Data List according to the display on the Techstream.
- INSPECT CRUISE CONTROL MAIN SWITCH
Refer to INSPECTION [11/2017 - ]
Result
Proceed to OK NG Result:
NG
REPLACE CRUISE CONTROL MAIN SWITCH. Refer to REMOVAL [09/2014 - ]
Result:
OK
See step 3
- INSPECT STEERING PAD SWITCH ASSEMBLY
Refer to INSPECTION [11/2017 - ]
Result
Proceed to OK NG Result:
NG
REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to REMOVAL [11/2017 - ]
Result:
OK
See step 4
- INSPECT SPIRAL CABLE SUB-ASSEMBLY
Refer to INSPECTION [11/2017 - ]
Result
Proceed to OK NG Result:
NG
REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to REMOVAL [01/2023 - ]
Result:
OK
See step 5
- CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM AND BODY GROUND)
- Disconnect the A78 ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C25-7 (CCS) - A78-16 (CCS) Always Below 1 Ω C25-2 (ECC) - Body ground Always Below 1 Ω C25-7 (CCS) or A78-16 (CCS) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to REMOVAL [09/2014 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR