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M162 ENGINE CONTROLS 1F1 -- 43 DAEWOO MY_2000 KAB1F210 Failure Code Description Trouble Area Maintenance Hint 34 Fuel pump relay short circuit to battery When short circuit to power source D Inspection the Engine Control Module (ECM) pin 33 about short circuit or open with bad contact 35 Fuel pump relay short circuit to ground or open When short circuit to ground or open open with bad contact D Inspection the fuel pump relay D Inspection the ECM Circuit Description When the ignition switch is turned ON, the ECM will activate the pump relay and run the in--tank fuel pump. The fuel pump will operate as long as the engine is cranking or running and the ECM is receiving ignition reference pulses. ON, engine stopped or engine stalled. Fuel Pump Relay Inspection Measure the voltage between the ECM terminal No. 33 and Ground. Ignition Switch : ON 0 v (for 1 ~ 2 sec.) Cranking 0 v |