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Home >> Toyota >> 2019 >> 86 Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Key System (Keyless Start) - Diagnostic Codes & Symptom Tests >> SMART KEY SYSTEM (for Start Function) >> Symptom Tests >> Power Source Mode does not Change to ON (IG and ACC) [03/2017 - 12/2017] >> Description
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Power Source Mode does not Change to ON (IG and ACC) [03/2017 - 12/2017]: 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.

HINT: 

When the battery cable is disconnected and reconnected, the power source returns to the mode it was in before the battery cable was disconnected.

RELATED DATA LIST AND ACTIVE TEST ITEMS

Problem Symptom Data List Item Active Test Item
Power source mode does not change to on (IG) or on (ACC) Power Source Control 
  • Start Switch1
  • Start Switch2
  • Latch Circuit
  • IG1 Relay Monitor(Outside)
  • IG1 Relay Monitor(Inside)
  • IG2 Relay Monitor(Outside)
  • IG2 Relay Monitor(Inside)
  • ACC Relay Monitor
  • Power Supply Condition

Engine 
  • Ignition Status
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