Subaru Impreza 2002 Service Manual page 241

ENGINE (DIAGNOSTICS)
• Sensor
(1) Pressure sensor
(2) Engine coolant temperature sen-
sor
(3) Throttle position sensor
ELECTRICAL COMPONENTS LOCATION
(7) (8) (9) (2)
(4) Knock sensor
(5) Camshaft position sensor
(6) Crankshaft position sensor
(7) Mass air flow and intake air tem-
perature sensor
EN(TURBO)-4
(1) (3)
(6) (4) (8)
(9)
(5)
(8) Tumble generator valve position
sensor (Except STi model)
(9) Variable valve timing camshaft
position sensor (STi model)
EN1524