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 in operation, the system clears the stored vehicle speed in the ECM and cancels the dynamic radar cruise control operation.
HINT:
During constant speed control mode, the cruise main indicator light (constant speed control mode) flashes. During vehicle-to-vehicle distance control, the cruise main indicator light (vehicle-to-vehicle distance control mode) flashes.
TEXT IN ILLUSTRATION*1 Multi-information Display *2 Master Warning Light *3 Cruise Main Indicator Light
(Constant speed control mode)*4 Cruise Main Indicator Light
(Vehicle-to-vehicle distance control mode)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
- Problem with vehicle speed signal
Turn cruise control main switch off - 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 in operation, the system clears the stored vehicle speed in the ECM and cancels the dynamic radar cruise control operation.
TEXT IN ILLUSTRATION*1 Multi-information Display *2 Master Warning Light *3 Cruise Main Indicator Light
(Vehicle-to-vehicle distance control mode)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
- Beam axis of millimeter wave radar sensor deviates
Engine switch 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 in operation, the system maintains the stored vehicle speed in the ECM and cancels the dynamic radar cruise control operation.
TEXT IN ILLUSTRATION*1 Multi-information Display *2 Master Warning Light *3 Cruise Main Indicator Light
(vehicle-to-vehicle distance control mode)Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition - Master warning light comes on
- Cruise main indicator light blinks
- "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 main indicator light blinks
- 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 is least sensitive because of bad weather such as rain, fog, snow, and sandstorms
- Recover from condition on left (RESUME operation is possible after recovery)
- Turn cruise control main switch on 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 in operation, 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 low speed limit (approximately 40 km/h (25 mph)) while cruise control is operating
- Constant Speed Control Mode:
Vehicle speed is lower than stored vehicle speed by approximately 16 km/h (10 mph) or more while cruise control is operating
Push the cruise control main switch to + RES Problem with throttle position sensor and motor Turn the cruise control main switch off then and on again - Cruise main indicator light blinks
- Master warning light comes on
- "CHECK CRUISE SYSTEM" is displayed
- "Pong" warning sound is heard
- There is problem with input circuit of stop light switch circuit
- There is problem with cancel circuit
Engine switch off