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Home >> Lexus >> 2007 >> GS 350 AWD >> Repair and Diagnosis >> Electrical >> Starter >> Starting (2GR-FSE) >> Smart Access System With Push-Button Start >> DTC B2272 Ignition 1 Monitor Malfunction >> Description

DTC B2272 Ignition 1 Monitor Malfunction: Description

This DTC is output when a malfunction is occurring in the IG output circuit, which is from the IG1 relay actuation circuit inside the power source control ECU to the IG1 relay.

DTC DETECTION CONDITION CHART

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