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P0581-SPEED CONTROL SWITCH 1 CIRCUIT HIGH (CONTINUED) 5. (V371) S/C SWITCH NO.1 SIGNAL CIRCUIT OPEN NOTE: The measurement must be taken from both Speed Control Disconnect the C3 SCCM harness connector. Measure the resistance of the (V371) S/C Switch No.1 Signal circuit Is the resistance below 5.0 ohms? Yes >> Go To 6 No >> Repair the open in the (V371) S/C Switch No.1 Signal cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 6. (V71) S/C SWITCH NO.1 SIGNAL CIRCUIT OPEN Disconnect the C1 SCCM harness connector CAUTION: Do not probe the PCM harness connectors. Probing Is the resistance below 5.0 ohms for both measurements? Yes >> Go To 7 No >> Repair the open in the (V71) S/C Switch No.1 Signal cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 9 - 644 ENGINE ELECTRICAL DIAGNOSTICS WK |