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P0521-ENGINE OIL PRESSURE SENSOR PERFORMANCE (CONTINUED) 8. (F855) 5-VOLT SUPPLY SHORTED TO GROUND Measure the resistance between ground and the (F855) 5-volt Supply Is the resistance below 100 ohms? Yes >> Repair the short to ground in the (F855) 5-volt Supply cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 9 9. EXCESSIVE RESISTANCE IN THE (K900) SENSOR GROUND CIRCUIT Measure the resistance of the (K900) Sensor Ground circuit from the Is the resistance below 5.0 ohms? Yes >> Go To 10 No >> Repair the excessive resistance in the (K900) Sensor Ground circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 9 - 572 ENGINE ELECTRICAL DIAGNOSTICS WK |