DTC P1593-Speed Control Switch 1 Stuck: Notes

Fig 1: Speed Control Switch Circuit - Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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

When Monitored:
Ignition on.
Set Condition:
S/C Switch No. 1 is mechanically stuck in the On/Off, Resume/Accel, or Set position for too long. One trip fault.

Possible Causes
(V37) S/C SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
(V37) S/C SIGNAL CIRCUIT OPEN
(K900) SENSOR GROUND OPEN
(V37) S/C SIGNAL CIRCUIT SHORTED TO GROUND
(V37) S/C SIGNAL CIRCUIT SHORTED TO THE
(K900) SENSOR GROUND CIRCUIT
SPEED CONTROL SWITCH
PCM