LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LX 570 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Cruise Control System >> Fail-Safe Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fail-Safe Chart

HINT:

If the following conditions are detected while the cruise control is in operation, the system clears the stored vehicle speed in the ECM and cancels the cruise control operation.

FAIL-SAFE CHART

Vehicle Condition Auto Cancel Condition Fail-safe Deactivation Condition
CRUISE main indicator light blinks
  • There is an open or short in the stop light switch circuit
  • There is a problem with the vehicle speed signal
Turn the cruise control main switch on again
CRUISE main indicator light blinks
  • There is a problem with the input circuit of the stop light switch circuit
  • There is a problem with the cancel circuit
  • Turn the cruise control main switch on again
  • Turn the engine switch off then on again
CRUISE main indicator light remains on (Cruise control is canceled) Under the following conditions, the stored vehicle speed is maintained:
  • The vehicle speed is less than the low speed limit (approx. 40 km/h (25 mph)) while running with the cruise control on
  • The VSC system is operated
Push the cruise control main switch to +RES
  • The vehicle speed is less than the stored speed by approx. 16 km/h (10 mph) or more
Push the cruise control main switch to -SET
CRUISE main indicator light goes off There is a problem with the throttle position sensor and the motor Turn the cruise control main switch on again