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Home >> Lexus >> 2017 >> RC 200t Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Access System (For Start) - Symptom Tests >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function) >> Power Source Mode does not Change to ON (IG and ACC) [10/2015 - 11/2017] >> Description

Power Source Mode does not Change to ON (IG and ACC) [10/2015 - 11/2017]: Description

If any of the following operations are performed, the certification ECU (smart key ECU assembly) receives a signal, and changes the power source mode.

RELATED DATA LIST AND ACTIVE TEST ITEMS

Problem Symptom Data List and Active Test
Power source mode does not change to on (IG) or on (ACC) Power Source Control 
  • Start Switch1
  • Start Switch2
  • IG Relay Monitor (Inside)
  • ACC Relay Monitor
  • IG Relay Monitor (Outside)
  • Latch Circuit
  • Power Supply Condition

Starting Control 

  • Ignition