The cruise control main switch cannot be turned on.
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Cruise control switch circuit
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Cruise main indicator light circuit
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ECM
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Setting cannot be changed between constant speed control mode and vehicle-to-vehicle distance control mode.
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Cruise control switch circuit
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Meter/gauge system
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ECM
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Set distance cannot be changed.
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Distance control switch circuit
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Driving support ECU
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Meter/gauge system
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ECM
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Setting cannot be canceled in vehicle-to-vehicle distance control mode.
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Meter/gauge system
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ECU power source circuit
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LGND terminal circuit
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Millimeter wave radar sensor
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ECM
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Driving support ECU
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Vehicle speed setting cannot be performed. (The cruise main indicator on combination meter assembly illuminates when main switch is turned on, but turns off when operating SET function.)
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Cruise control switch circuit
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ECM
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Vehicle speed setting cannot be performed with the constant speed mode. (The cruise main indicator on combination meter assembly illuminates when main switch is turned on, and remains on when operating SET function.)
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Stop light switch circuit
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Vehicle speed sensor circuit
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Cruise control switch circuit
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Transmission control switch circuit
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ECM
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Vehicle stability control system
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Driving support ECU
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While vehicle is driven with cruise control on, the control is canceled. (The cruise main indicator remains on.)
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Stop light switch circuit
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Transmission control switch circuit
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Vehicle stability control system
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Cruise control switch circuit
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Vehicle speed sensor circuit
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Wiper switch circuit (w/ rain sensor)
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Wiper switch circuit (w/o rain sensor)
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Driving support ECU
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Park/neutral position switch
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ECM
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Pulling back on the control main switch does not cancel the cruise control. (The cruise main indicator turns off.)
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ECM
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The cruise control is not canceled when vehicle speed drops below the low speed limit. (The cruise main indicator remains on.)
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Vehicle speed sensor circuit
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ECM
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The cruise control is not canceled when vehicle speed drops below the low speed limit. (The cruise main indicator turns off.)
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ECM
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Depressing the brake pedal does not cancel the cruise control. (The cruise main indicator remains on.)
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Stop light switch circuit
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ECM
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Depressing the brake pedal does not cancel the cruise control. (The cruise main indicator turns off.)
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ECM
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Vehicle speed cannot be canceled with wiper HI. (The cruise main indicator remains on.)
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Wiper switch circuit (w/ rain sensor)
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Wiper switch circuit (w/o rain sensor)
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ECM
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Vehicle speed cannot be canceled with wiper HI. (The cruise main indicator turns off.)
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ECM
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Transmission control switch circuit
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Park/neutral position switch
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ECM
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Moving the shift lever does not cancel the cruise control. (The cruise main indicator turns off.)
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ECM
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Hunting (Speed is not constant.)
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Vehicle speed sensor circuit
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SFI system
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-
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ECM
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The cruise main indicator remains blinking.
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TC and CG terminal circuit
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ECM
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Beam axis of millimeter wave radar sensor cannot be adjusted (completed).
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Check position, distance and angle of reflector
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-
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Check installation of millimeter wave radar sensor
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Millimeter wave radar sensor
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Driving support ECU
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ECM
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Alarm buzzer does not sound.
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Skid control buzzer circuit
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Vehicle stability control system
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Millimeter wave radar sensor
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Driving support ECU
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No brake control (when decelerating)
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Vehicle stability control system
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Driving support ECU
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ECM
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The SET indicator does not come on
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Cruise SET Indicator Light Circuit
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Meter/gauge system
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The Main indicator does not come on
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Cruise Main Indicator Light Circuit
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Meter/gauge system
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