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EC-334 < COMPONENT DIAGNOSIS > [VQ25DE, VQ35DE] FUEL INJECTOR FUEL INJECTOR Description INFOID:0000000003856839 The fuel injector is a small, precise solenoid valve. When the ECM Component Function Check INFOID:0000000003856840 1. INSPECTION START Turn ignition switch to START. YES >> GO TO 2. NO >> Go to 2. CHECK FUEL INJECTOR FUNCTION With CONSULT-III 1. Start engine. 2. Perform “POWER BALANCE” in “ACTIVE TEST” mode with CONSULT-III. 3. Check that each circuit produces a momentary engine speed drop. Without CONSULT-III 1. Start engine. 2. Listen to each fuel injector operating sound. Is the inspection result normal? YES >> INSPECTION END NO >> Go to Diagnosis Procedure INFOID:0000000003856841 1. CHECK FUEL INJECTOR POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect fuel injector harness connector. 3. Turn ignition switch ON. 4. Check the voltage between fuel injector harness connector and ground. PBIA9664J Clicking sound should be heard. PBIB3332E |