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P0580-SPEED CONTROL SWITCH 1 CIRCUIT LOW (CONTINUED) For the Engine circuit diagram (Refer to 9 - ENGINE - SCHEMATICS AND DIAGRAMS). For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes (V371) S/C SWITCH NO.1 SIGNAL CIRCUIT SHORTED TO THE (V397) S/C SWITCH RETURN (V71) S/C SWITCH NO.1 SIGNAL CIRCUIT SHORTED TO THE (V937) S/C SWITCH RETURN (V371) S/C SWITCH NO.1 SIGNAL CIRCUIT SHORTED TO GROUND (V71) S/C SWITCH NO.1 SIGNAL CIRCUIT SHORTED TO GROUND STEERING COLUMN CONTROL MODULE SPEED CONTROL ON/OFF SWITCH SPEED CONTROL RESUME/ACCEL SWITCH PCM Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. SPEED CONTROL SWITCH VOLTAGE LOW NOTE: Do not press any of the Speed Control Switch buttons. With a scan tool, read the Speed Control voltage. Is the Speed Control voltage below 1.0 volt? Yes >> Go To 2 No >> Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 636 ENGINE ELECTRICAL DIAGNOSTICS WK |