Throttle Body: Testing and Inspection
Throttle BodyINSPECTION
1. THROTTLE SENSOR (METHOD WITH CIRCUIT TESTER)
1. Warm up the engine.
2. Remove the glove box lid assembly.
3. Turn the ignition switch to ON. (engine OFF)
4. Measure the voltage between ECM connector terminals.
5. After inspection, install the related parts in the reverse order of removal.
2. THROTTLE SENSOR (METHOD WITH SUBARU SELECT MONITOR)
1. Warm up the engine.
2. Turn the ignition switch to ON. (engine OFF)
3. 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.