Cruise Control System - Fail-Safe Chart

Lexus IS250 IS220d GSE20 ALE20 - CRUISE CONTROL


CRUISE CONTROL SYSTEM - 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.
Vehicle ConditionAuto Cancel ConditionRe-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