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Home >> Toyota >> 2019 >> 86 Base, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System - Diagnostics - Introduction >> Cruise Control System >> Problem Symptoms Table [06/2016 - ] >> Problem Symptoms Table [06/2016 - ]
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Problem Symptoms Table [06/2016 - ]

HINT: 

CRUISE CONTROL SYSTEM

Symptom Suspected Area See
The cruise control system cannot be turned on using the cruise control main switch (ON-OFF button). Cruise control main switch circuit Refer to Cruise Control Switch Circuit [06/2016 - ]
Cruise main indicator light circuit Refer to Cruise Main Indicator Light Circuit [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Vehicle speed cannot be set (the cruise control indicator light illuminates in green when the cruise control system is turned on using the cruise control main switch (ON-OFF button), but the cruise control indicator light goes out when the cruise control main switch is pushed to -/SET). Cruise control main switch circuit Refer to Cruise Control Switch Circuit [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Vehicle speed cannot be set (the cruise control indicator light illuminates in green when the cruise control system is turned on using the cruise control main switch (ON-OFF button), and it remains illuminated when the cruise control main switch is pushed to -/SET). Stop light switch circuit Refer to Stop Light Switch Circuit [06/2016 - ]
Vehicle speed sensor circuit Refer to CAUTION / NOTICE / HINT
Cruise control main switch circuit Refer to Cruise Control Switch Circuit [06/2016 - ]
Automatic transmission system*2 Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
VSC system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
Combination meter assembly Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Vehicle speed control by the cruise control system is automatically canceled after it has started. Stop light switch circuit Refer to Stop Light Switch Circuit [06/2016 - ]
Automatic transmission system*2 Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
Cruise control main switch circuit Refer to Cruise Control Switch Circuit [06/2016 - ]
VSC system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
Combination meter assembly Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Pulling back on the cruise control main switch does not cancel vehicle speed control by the cruise control system. (The cruise control indicator light remains illuminated in green.) Cruise control main switch circuit Refer to Cruise Control Switch Circuit [06/2016 - ]
VSC system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
Combination meter assembly Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Pulling back on the cruise control main switch does not cancel vehicle speed control by the cruise control system. (The cruise control indicator light goes out.) ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Vehicle speed control by the cruise control system is not canceled when vehicle speed drops below the low speed limit. (The cruise control indicator light remains illuminated in green.) VSC system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Vehicle speed control by the cruise control system is not canceled when vehicle speed drops below the low speed limit. (The cruise control indicator light goes out.) ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Depressing the brake pedal does not cancel vehicle speed control by the cruise control system. (The cruise control indicator light remains illuminated in green.) Stop light switch circuit Refer to Stop Light Switch Circuit [06/2016 - ]
Combination meter assembly Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Depressing the brake pedal does not cancel vehicle speed control by the cruise control system. (The cruise control indicator light goes out.) ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Moving the shift lever does not cancel vehicle speed control by the cruise control system. (The cruise control indicator light remains illuminated in green.) Stop light switch circuit Refer to Stop Light Switch Circuit [06/2016 - ]
Automatic transmission system*2 Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
Combination meter assembly Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Moving the shift lever does not cancel vehicle speed control by the cruise control system. (The cruise control indicator light goes out.) ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Vehicle speed control by the cruise control system is not canceled when paddle shift switch is operated. (The cruise control indicator light remains illuminated in green.)*1 Automatic transmission system*2 Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
Combination meter assembly Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Vehicle speed control by the cruise control system is not canceled when paddle shift switch is operated. (The cruise control indicator light goes out.)*1 ECM Refer to TERMINALS OF ECM [06/2016 - ] 
Hunting (Speed is not constant.) Vehicle speed sensor circuit Refer to CAUTION / NOTICE / HINT
SFI system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
The cruise control SET indicator light does not illuminate. (Vehicle speed can be set) Cruise SET indicator light circuit Refer to Cruise SET Indicator Light Circuit [06/2016 - ]
ECM Refer to TERMINALS OF ECM [06/2016 - ] 

*1: w/ Shift Paddle Switch

*2: for Automatic Transmission