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P1757-GOV PRESS ABOVE 3 PSI IN GEAR WITH 0 MPH (DIESEL) (CONTINUED) 8. CHECK THE 5 VOLT SUPPLY CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the ECM harness connectors. Disconnect the Transmission Solenoid Assembly harness connector. NOTE: Check connectors - Clean/repair as necessary Is the resistance below 5.0 ohms? Yes >> Go To 9 No >> Repair the 5-volt Supply circuit for an open. Perform RE TRANSMISSION VERIFICATION TEST VER - 9. CHECK THE 5 VOLT SUPPLY CIRCUIT FOR AN OPEN INSIDE THE TRANSMISSION Reconnect the Transmission Solenoid Assembly harness connector. Remove the transmission oil pan per the Service Information. (Refer to Disconnect the Governor Pressure Sensor connector internal to the Measure the resistance of the 5-volt Supply circuit between the ECM Is the resistance below 5.0 ohms? Yes >> Go To 10 No >> Repair or replace the 5-volt Supply circuit for an open internal to the transmission. Perform RE TRANSMISSION VERIFICATION TEST VER - 21 - 940 AUTOMATIC TRANSMISSION - 48RE - DIESEL - ELECTRICAL DIAGNOSTICS DR/DH |