CRUISE CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips


  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Cruise Control System
Symptom Suspected Area See page
The cruise control main switch cannot be turned on. Cruise control switch circuit

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CRUISE main indicator light circuit

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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Vehicle speed setting cannot be performed (the cruise main indicator light on the combination meter illuminates when the main switch is turned on, but turns off when SET function is operating). Cruise control switch circuit

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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Vehicle speed setting cannot be performed (the cruise main indicator light on the combination meter illuminates when the main switch is turned on, and remains illuminated when SET function is operating). Stop light switch circuit

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Vehicle speed sensor circuit

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Cruise control switch circuit

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Hybrid control system

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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The cruise control is canceled while it is operating. Stop light switch circuit

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Hybrid control system

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Electronically controlled brake system

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Cruise control switch circuit

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Vehicle speed sensor circuit

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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Pulling back on the control main switch does not cancel the cruise control. (The cruise main indicator light remains on.) Cruise control switch circuit

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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Pulling back on the control main switch does not cancel the cruise control. (The cruise main indicator light goes off.) Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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The cruise control is not canceled when vehicle speed drops below the low speed limit. (The cruise main indicator light remains on.) Vehicle speed sensor circuit

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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The cruise control is not canceled when vehicle speed drops below the low speed limit. (The cruise main indicator light goes off.) Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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Depressing the brake pedal does not cancel the cruise control. (The cruise main indicator light remains on.) Stop light switch circuit

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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Depressing the brake pedal does not cancel the cruise control. (The cruise indicator main light goes off.) Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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Moving the shift lever does not cancel the cruise control. (The cruise main indicator light remains on.) Hybrid control system

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Shift lever position sensor

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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Moving the shift lever does not cancel the cruise control. (The cruise indicator main light goes off.) Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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Hunting (Speed is not constant.) Vehicle speed sensor circuit

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SFI system (for 2GR-FXE w/ EGR System)

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SFI system (for 2GR-FXE w/o EGR System)

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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The "SET" indicator does not comes on (SET function operates normally) Combination meter assembly

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Power management control ECU (for LHD)

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Power management control ECU (for RHD)

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