LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> IS 350 >> 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 Re-operation Condition
CRUISE main indicator light blinks
  • There is open or short in stop light switch circuit
  • There is problem with vehicle speed signal
  • There is problem with throttle position sensor and motor
 Turn cruise control main switch on again
CRUISE main indicator light blinks
  • There is problem with input circuit of stop light switch circuit
  • There is problem with cancel circuit
  • Turn cruise control main switch on again
  • Turn engine switch off then on again
CRUISE main indicator light goes off
  • Vehicle speed is lower than low speed limit (approx. 40 km/h (25 mph)) while running with cruise control on
 Push cruise control main switch to + (ACCEL)/RES (RESUME)
  • Vehicle speed is lower than stored speed by approx. 16 km/h (9.9 mph) or more
 Push cruise control main switch to - (COAST)/ SET
scientia non olet · About LEMON Manuals