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DTC B2273 Ignition 2 Monitor Malfunction: Description

This DTC is output when a malfunction is occurring in the IG2D output circuit, which is from the IG2 relay actuation circuit inside the power source control ECU to the IG2 relay.

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
B2273 IG2 relay actuation circuit inside power source control ECU or other related circuit is malfunctioning
  • Power source control ECU
  • IG2 relay
  • Wire harness
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