Fail-Safe Chart
- Constant speed control mode and vehicle-to-vehicle distance control mode:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*1 Multi-information Display *2 Cruise Main Indicator Light *3 Master Warning Light HINT:
If the following conditions are detected while the dynamic radar cruise control system is operating, the system clears the stored vehicle speed in the ECM and cancels the dynamic radar cruise control operation.
Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition - Cruise main indicator light blinks
- Master warning light comes on
- "CHECK CRUISE SYSTEM" is displayed
- "Pong" warning sound is heard
Open or short in stop light switch circuit Turn cruise control main switch on again - Cruise main indicator light goes off
- Master warning light comes on
Problem with throttle position sensor and motor - Vehicle-to-vehicle distance control mode: TEXT IN ILLUSTRATION
*1 Multi-information Display *2 Cruise Main Indicator Light *3 Master Warning Light HINT:
If the following conditions are detected while the dynamic radar cruise control system is operating, the system clears the stored vehicle speed in the ECM and cancels the dynamic radar cruise control operation.
Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition - Cruise main indicator light blinks
- Master warning light comes on
- "CHECK CRUISE SYSTEM" is displayed
- "Pong" warning sound is heard
- There is problem with millimeter wave radar sensor assembly
- Beam axis of millimeter wave radar sensor assembly deviates
Engine switch off - Vehicle-to-vehicle distance control mode:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*1 Multi-information Display *2 Master Warning Light HINT:
If the following conditions are detected while the dynamic radar cruise control system is operating, the system maintains the stored vehicle speed in the ECM and cancels the dynamic radar cruise control operation.
Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition - Master warning light comes on
- "CLEAN RADAR SENSOR" is displayed
- "Pong" warning sound is heard
There is dirt on millimeter wave radar sensor assembly - Recover from condition on left (RESUME operation is possible after recovery)
- Turn cruise control main switch on again
- Master warning light comes on
- "CRUISE NOT AVAILABLE" is displayed
- "Pong" warning sound is heard
- Wiper switch is in HI position
- ECT-SNOW switch is on
- Millimeter wave radar sensor assembly is least sensitive because of bad weather such as rain, fog, snow, and sandstorms
- Constant speed control mode and vehicle-to-vehicle distance control mode:
HINT:
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 main indicator light goes off Vehicle speed is lower than stored vehicle speed by 16 km/h (10 mph) or more while cruise control is operating Push the cruise control main switch to +RES HINT:
If the following conditions are detected while the dynamic radar cruise control system is operating, the system cancels the dynamic radar cruise control operation.
Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition Cruise main indicator light goes off Vehicle speed is lower than low speed limit (approximately 40 km/h (25 mph)) while cruise control is operating Push the cruise control main switch to +RES