*All Door Lock Output Circuit Shorted To Ground: Notes

Fig 1: Door Lock/Unlock Driver Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

For a complete wiring diagram , refer to appropriate SYSTEM WIRING DIAGRAMS article.

Possible Causes
(P392) DOOR LOCK DRIVER RIGHT DOORS CIRCUIT SHORT TO GROUND
(P393) DOOR LOCK DRIVER LEFT DOORS CIRCUIT SHORT TO GROUND
(P392) DOOR LOCK DRIVER RIGHT DOORS SHORT TO (G778) DOOR UNLOCK DRIVER RIGHT DOORS
(P393) DOOR LOCK DRIVER LEFT DOORS SHORT TO (P5) DOOR UNLOCK DRIVER LEFT REAR
(P393) DOOR LOCK DRIVER LEFT DOORS SHORT TO (P1) DOOR UNLOCK DRIVER LEFT FRONT
CLUSTER

NOTE: If any of the above circuits are shorted, the fuse may blow after one attempt to operate the locks.

Theory of Operation

The Door Lock Driver Right Doors circuit and the Door Lock Driver Left Doors circuits are connected together inside the module. Therefore any circuit that is connected to either one cause this problem.