LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2012 >> LS 460L AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Electric Power Control System (Diagnostic Codes)) >> Electric Power Control System >> DTC B22A0: IG2 Terminal Circuit Low >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B22A0: IG2 Terminal Circuit Low: Description

WARNING: This page is about a different car, the 2012 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.

The electric power control ECU monitors the IG (IG2) voltage. When there is no voltage input to IG (IG2), this DTC is output.

DTC Code DTC Detection Condition Trouble Area
B22A0 IG (IG2) signal is input via CAN communication, but there is no IG (IG2) input voltage
  • P IG2 fuse
  • ECU-IG fuse
  • Engine room No. 2 junction block
  • Passenger side junction block (Electric power control ECU)
  • Wire harness