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Home >> Lexus >> 2011 >> IS 350 Base, RWD >> Repair and Diagnosis (Single Page) >> Electrical >> 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 See
Power does not turn on (neither ACC nor IG is possible). 1. AM2 Fuse Refer to Power Source Mode does not Change to ON (IG and ACC)
2. Engine Switch Refer to Power Source Mode does not Change to ON (IG and ACC)
3. Cowl Side J/B RH Refer to Power Source Mode does not Change to ON (IG and ACC)
4. Cowl Side J/B LH Refer to Power Source Mode does not Change to ON (IG and ACC)
5. IG2 Relay Refer to Power Source Mode does not Change to ON (IG and ACC)
6. Wire Harness or Connector Refer to DESCRIPTION
7. 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). 1. AM2 Fuse Refer to Power Source Mode does not Change to ON (ACC)
2. Cowl Side J/B RH Refer to Power Source Mode does not Change to ON (ACC)
3. Wire Harness or Connector Refer to Power Source Mode does not Change to ON (ACC)
4. 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). 1. AM2 Fuse Refer to Power Source Mode does not Change to ON (IG)
2. Cowl Side J/B RH Refer to Power Source Mode does not Change to ON (IG)
3. Cowl Side J/B LH Refer to Power Source Mode does not Change to ON (IG)
4. IG2 Relay Refer to Power Source Mode does not Change to ON (IG)
5. Wire Harness or Connector Refer to Power Source Mode does not Change to ON (IG)
6. Power Source Control ECU Refer to Power Source Mode does not Change to ON (IG)
Engine does not start. 1. Power Source Control ECU Refer to Engine does not Start
2. Certification ECU Refer to Engine does not Start
3. Shift Lock Control ECU Refer to Engine does not Start
4. ID Code Box Refer to Engine does not Start
5. Stop SW Fuse Refer to Engine does not Start
6. Stop Light Switch Refer to Engine does not Start
7. Electrical Steering Lock Function Refer to Engine does not Start
8. SFI System Refer to Engine does not Start
9. Engine Immobilizer System Refer to Engine does not Start
10. 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