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P0987-4C HYDRAULIC PRESSURE TEST (CONTINUED) 14. (T48) 4C PRESSURE SWITCH SENSE CIRCUIT OPEN Turn the ignition off to the lock position. Remove the Transmission Simulator, Miller tool #8333 and connect Disconnect the PCM C4 harness connector. Measure the resistance of the (T48) 4C Pressure Switch Sense circuit Is the resistance above 5.0 ohms? Yes >> Repair the (T48) 4C Pressure Switch Sense circuit for an open. Perform 45RFE/545RFE TRANSMISSION VERIFICATION No >> Go To 15 15. (T48) 4C PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND Measure the resistance between ground and the (T48) 4C Pressure Is the resistance below 5.0 ohms? Yes >> Repair the (T48) 4C Pressure Switch Sense circuit for a short to ground. Perform 45RFE/545RFE TRANSMISSION VERIFICATION No >> Go To 16 21 - 242 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS WK |