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Home >> Toyota >> 2012 >> Avalon Base >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Smart Key System (Keyless Start) (Diagnostic Codes & Circuit Tests) >> Smart Key System >> DTC B2272: Ignition 1 Monitor Malfunction >> Description
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DTC B2272: Ignition 1 Monitor Malfunction: Description

This DTC is output when the IG output circuit from the inside the power source control ECU to the IG1 relay is malfunctioning.

DTC No. DTC Detection Condition Trouble Area
B2272 IG1 relay actuation circuit inside power source control ECU or other related circuits is malfunctioning
  • Power source control ECU
  • IG1 relay
  • Wire harness
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