Throttle Body: Testing and Inspection
Throttle BodyINSPECTION
1. THROTTLE SENSOR (METHOD WITH CIRCUIT TESTER)
1. Remove the lower inner trim of passenger's side
2. Turn over the floor mat of passenger's seat.
3. Remove the protect cover.
4. Remove the nuts and bolts which hold the ECM to the bracket.
5. Turn the ignition switch to ON. (engine OFF)
6. Measure the voltage between ECM connector terminals.
2. THROTTLE SENSOR (METHOD WITH SUBARU SELECT MONITOR)
1. Turn the ignition switch to ON. (engine OFF)
2. Read the throttle opening angle signal and voltage of throttle sensor using Subaru Select Monitor. Subaru Select Monitor
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.