Diagnostic Item 11: Diagnose When The Scan Tool Cannot Receive The Data Sent By ECM: Notes

CAUTION: When servicing a CAN bus line, ground yourself by touching a metal object such as an unpainted water pipe. If you fail to do so, a component connected to the CAN bus line may be damaged.

Fig 1: CAN Communication Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.