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P2146-BANK 1 (CYLINDERS 1-3) SHORTED HIGH OR LOW (CONTINUED) 2. HIGH SIDE DRIVER CIRCUIT OPEN Turn the ignition off. Disconnect the ECM harness connectors. Disconnect the Injector 1-3 harness connector. NOTE: Check connectors - Clean/repair as necessary. Is the resistance less than 10 Ohms? Yes >> Go To 3 No >> Repair the open high side driver circuit from ECM harness connector to the Injector harness connector. Perform POWERTRAIN VERIFICATION TEST VER - 1 3. LOW SIDE DRIVER CIRCUIT OPEN Measure the resistance of the #1,#2, and #3 injector low side driver Is the resistance less than 10 Ohms? Yes >> Go To 4 No >> Repair the open low side driver circuit. Perform POWERTRAIN VERIFICATION TEST VER - 1 9 - 1426 ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL DR/DH |