DTC B2101: IG SW start POS. circuit low; DTC B2102: IG SW start POS.circuit high: Notes

CAUTION:

• If the DTC B2101 or B2102 is set in KOS-ECU, always diagnose the CAN bus lines.
• Before replacing the ECU, ensure that the communication circuit is normal.

Fig 1: KOS-ECU Power Supply - Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.