Fail-Safe Chart
- Constant speed control mode and vehicle-to-vehicle distance control mode:
If the following conditions are detected while the dynamic radar cruise control system is operating, the system clears the stored vehicle speed and cancels the dynamic radar cruise control operation.
Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition - Cruise control indicator light goes off
- Master warning light comes on
- "CHECK CRUISE CONTROL SYSTEM" is displayed
- "Pong" warning sound is heard
- Open or short in stop light switch circuit
- Problem with vehicle speed signal
- Malfunction in the hybrid vehicle control system
Cruise control switch is turned off and then on again - Vehicle-to-vehicle distance control mode:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the following conditions are detected while the dynamic radar cruise control system is operating, the system clears the stored vehicle speed and cancels the dynamic radar cruise control operation.
TEXT IN ILLUSTRATION*1 Multi-information Display *2 Master Warning Light *3 Cruise Control Indicator Light
(Vehicle-to-vehicle distance control mode)Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition - Cruise control indicator light off
- Master warning light comes on
- "CHECK CRUISE CONTROL SYSTEM" is displayed
- "Pong" warning sound is heard
- Problem with millimeter wave radar sensor
- Beam axis of millimeter wave radar sensor deviates
- Other than above dynamic radar cruise control system malfunction
Power switch turned off and then on (IG) again - Vehicle-to-vehicle distance control mode:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the following conditions are detected while the dynamic radar cruise control system is operating, the system maintains the stored vehicle speed and cancels the dynamic radar cruise control operation.
TEXT IN ILLUSTRATION*1 Multi-information Display *2 Master Warning Light *3 Cruise Control Indicator Light
(Vehicle-to-vehicle distance control mode)Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition - Cruise control indicator light off
- Master warning light comes on
- "CLEAN RADAR SENSOR" is displayed
- "Pong" warning sound is heard
There is dirt on millimeter wave radar sensor - Recover from condition on left (RESUME operation is possible after recovery)
- Cruise control is turned off and then on again
- Cruise control indicator light off
- Master warning light comes on
- "CRUISE CONTROL NOT AVAILABLE" is displayed
- "Pong" warning sound is heard
- Wiper switch is in HI position
- Millimeter wave radar sensor sensitivity reduced because of bad weather such as rain, fog, snow, or sandstorm
- Constant speed control mode and vehicle-to-vehicle distance control mode:
If the following conditions are detected while the dynamic radar cruise control system is operating, the system clears the stored vehicle speed and cancels the dynamic radar cruise control operation.
Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition Cruise control indicator light on Constant Speed Control Mode:
Vehicle speed is lower than stored vehicle speed by 16 km/h (10 mph) or more while cruise control is operatingPush the cruise control switch to +/RES Cruise control indicator light goes off - Problem with input circuit of stop light switch circuit
- Problem with cancel circuit
Power switch turned off then on (IG) again - Constant speed control mode and vehicle-to-vehicle distance control mode:
If the following conditions are detected while the dynamic radar cruise control system is operating, the system maintains the stored vehicle speed and cancels the dynamic radar cruise control operation.
Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition Cruise control indicator light on Vehicle speed is lower than low speed limit (approximately 40 km/h (25 mph)) while cruise control is operating Push the cruise control switch to +/RES Electronically controlled brake system operates Cruise control is turned off and then on