Index Subaru Subaru Impreza 3 / Impreza WRX / Impreza WRX STI - service repair manual 2008-2014 year
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FU(STI)-16 Throttle Body FUEL INJECTION (FUEL SYSTEMS) 6) Measure the voltage between ECM connector terminals. 7) After inspection, install the related parts in the reverse order of removal. 7.5 N·m (0.8 kgf-m, 5.5 ft-lb) 2. THROTTLE SENSOR INSPECTION (METHOD WITH SUBARU SELECT MONI- TOR) 1) Turn the ignition switch to ON. (engine OFF) 2) Read the throttle opening angle signal and volt- age of throttle sensor using Subaru Select Monitor. <Ref. to EN(H4DOTC)(diag)-41, READ CURRENT DATA FOR ENGINE (NORMAL MODE), OPERA- 3. OTHER INSPECTIONS 1) Check that the throttle body has no deformation, cracks or other damages. 2) Check that the engine coolant hose has no cracks, damage or loose part. (A) To ECM connector Throttle sensor Accelerator pedal Terminal No. Standard Main Not 18 (+) and 29 (–) Approx. 0.6 V Depressed Approx. 3.96 V Sub Not 28 (+) and 29 (–) Approx. 1.48 V Depressed Approx. 4.17 V Throttle sensor Throttle opening angle signal Standard Main 0.0% Approx. 0.6 V 100.0% Approx. 3.96 V Sub 0.0% Approx. 1.48 V 100.0% Approx. 4.17 V FU-04049 5 6 7 8 2 1 9 4 3 10 24 22 23 25 11 12 13 14 15 26 27 28 16 17 18 19 20 21 33 34 29 32 30 31 V (A) |