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P0405-EGR POSITION SENSOR CIRCUIT LOW (CONTINUED) 6. (F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the C1 PCM harness connector. Measure the resistance between ground and the (F856) 5-volt Supply Is the resistance below 100 ohms? Yes >> Repair the short to ground in the (F856) 5-volt Supply cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 7 7. (F856) 5-VOLT SUPPLY CIRCUIT OPEN CAUTION: Do not probe the PCM harness connectors. Probing Is the resistance below 5.0 ohms? Yes >> Go To 8 No >> Repair the open in the (F856) 5-volt Supply circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 9 - 464 ENGINE ELECTRICAL DIAGNOSTICS WK |