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EC-434 < DTC/CIRCUIT DIAGNOSIS > [HR16DE] FUEL INJECTOR FUEL INJECTOR Component Function Check INFOID:0000000009020926 1. INSPECTION START Turn ignition switch to START. YES >> GO TO 2. NO >> Go to 2. CHECK FUEL INJECTOR FUNCTION With CONSULT 1. Start engine. 2. Perform “POWER BALANCE” in “ACTIVE TEST” mode with CONSULT. 3. Make sure that each circuit produces a momentary engine speed drop. Without CONSULT 1. Let engine idle. 2. Listen to each fuel injector operating sound. Is the inspection result normal? YES >> INSPECTION END NO >> Go to Diagnosis Procedure INFOID:0000000009020927 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. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. DETECT MALFUNCTIONING PART Check the following. • IPDM E/R connector F42 Clicking noise should be heard. PBIB3332E Fuel injector Ground Voltage Cylinder Connector Front / Rear Terminal 1 F17 Front 1 Ground Battery voltage F53 Rear 2 F18 Front 1 F54 Rear 3 F19 Front 1 F29 Rear 4 F20 Front 1 F30 Rear |