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Problem Symptoms Table

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Push-button start 

SYMPTOM CHART

Symptom Suspected area See
Power Source Mode does not Change 1. B2271 DTC B2271 IGNITION HOLD MONITOR MALFUNCTION 
2. B2272 DTC B2272 IGNITION 1 MONITOR MALFUNCTION 
3. B2273 DTC B2273 IGNITION 2 MONITOR MALFUNCTION 
4. B2274 DTC B2274 ACC MONITOR MALFUNCTION 
5. B2278 DTC B2278 POWER SWITCH CIRCUIT MALFUNCTION 
6. Power Switch Indicator Circuit POWER SWITCH INDICATOR CIRCUIT 
7. Room Oscillator does not Recognize Key ROOM OSCILLATOR DOES NOT RECOGNIZE KEY
8. Power Switch REMOVAL 
9. ID Code Box -
10. Key -
11. Certification ECU -
12. Power Source Control ECU -
13. Wire Harness POWER SOURCE MODE DOES NOT CHANGE 
Power Source Mode does not Change to ON (READY) 1. DTC for Smart Access System with Push-button Start DIAGNOSTIC TROUBLE CODE CHART 
2. Power Source Mode does not Change POWER SOURCE MODE DOES NOT CHANGE 
3. Engine Immobiliser System HOW TO PROCEED WITH TROUBLESHOOTING
4. Electric Steering Lock HOW TO PROCEED WITH TROUBLESHOOTING
5. Hybrid Control System HOW TO PROCEED WITH TROUBLESHOOTING
6. SFI System HOW TO PROCEED WITH TROUBLESHOOTING
7. Power Switch REMOVAL 
8. Power Source Control ECU -
9. Wire Harness POWER SOURCE MODE DOES NOT CHANGE TO ON (READY)