DTC P0594-Speed Control Servo Power Relay Circuit: Notes
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article.
- When Monitored:
With the ignition key on. The speed control switched on.
- Set Condition:
The speed control power supply circuit is either open or shorted to ground. One Trip Fault. Three good trips to turn off the MIL.
| Possible Causes |
|---|
| (V32) S/C SUPPLY CIRCUIT OPEN |
| (V32) S/C SUPPLY CIRCUIT SHORTED TO GROUND |
| (V30) S/C BRAKE SWITCH OUTPUT CIRCUIT OPEN |
| (V30) S/C BRAKE SWITCH OUTPUT CIRCUIT SHORTED TO GROUND |
| STOP LAMP SWITCH |
| PCM |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.