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Home >> Lexus >> 2010 >> IS 250 AWD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Starter >> Smart Access System (Keyless Start) (Diagnostics - Introduction) >> Smart Access System With Push-Button Start >> Problem Symptoms Table >> Problem Symptoms Table
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Problem Symptoms Table

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SMART ACCESS SYSTEM WITH PUSH-BUTTON START

Symptom Suspected Area Reference
Power does not turn on (neither ACC nor IG is possible). AM2 Fuse Refer to Power Source Mode does not Change to ON (IG and ACC)
Engine Switch Refer to Power Source Mode does not Change to ON (IG and ACC)
Cowl Side J/B RH Refer to Power Source Mode does not Change to ON (IG and ACC)
Cowl Side J/B LH Refer to Power Source Mode does not Change to ON (IG and ACC)
IG2 Relay Refer to Power Source Mode does not Change to ON (IG and ACC)
Wire Harness or Connector Refer to Power Source Mode does not Change to ON (IG and ACC)
Power Source Control ECU Refer to Power Source Mode does not Change to ON (IG and ACC)
Power is not turned on (only ACC is not turned on). AM2 Fuse Refer to Power Source Mode does not Change to ON (ACC)
Cowl Side J/B RH Refer to Power Source Mode does not Change to ON (ACC)
Wire Harness or Connector Refer to Power Source Mode does not Change to ON (ACC)
Power Source Control ECU Refer to Power Source Mode does not Change to ON (ACC)
Power is not turned on (only IG is not turned on). AM2 Fuse Refer to Power Source Mode does not Change to ON (IG)
Cowl Side J/B RH Refer to Power Source Mode does not Change to ON (IG)
Cowl Side J/B LH Refer to Power Source Mode does not Change to ON (IG)
IG2 Relay Refer to Power Source Mode does not Change to ON (IG)
Wire Harness or Connector Refer to Power Source Mode does not Change to ON (IG)
Power Source Control ECU Refer to Power Source Mode does not Change to ON (IG)
Engine does not start. Power Source Control ECU Refer to Engine does not Start
Certification ECU Refer to Engine does not Start
Shift Lock Control ECU Refer to Engine does not Start
ID Code Box Refer to Engine does not Start
Stop SW Fuse Refer to Engine does not Start
Stop Light Switch Refer to Engine does not Start
Electrical Steering Lock Function Refer to Engine does not Start
SFI System Refer to Engine does not Start
Engine Immobilizer System Refer to Engine does not Start
Wire Harness or Connector Refer to Engine does not Start
Engine switch indicator light does not come on. Engine switch indicator light circuit Refer to Engine Switch Indicator Circuit