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P0122-THROTTLE POSITION SENSOR 1 CIRCUIT LOW (3.7L, 4.7L) (CONTINUED) 6. (F855) 5-VOLT SUPPLY CIRCUIT OPEN Turn the ignition off. Disconnect the C2 PCM harness connector. CAUTION: Do not probe the PCM harness connectors. Probing Is the resistance below 5.0 ohms? Yes >> Go To 7 No >> Repair the open in the (F855) 5-volt Supply circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 7. (F855) 5-VOLT SUPPLY CIRCUIT 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 8 9 - 122 ENGINE - ELECTRICAL DIAGNOSTICS - 3.7L/4.7L/5.7L DR/DH |