Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 196
EN(H4DOTC)(diag)-8
General Description
ENGINE (DIAGNOSTICS)
D: PREPARATION TOOL
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
1B022XU0
SUBARU SELECT
MONITOR III KIT
Used for troubleshooting the electrical system.
499987500
CRANKSHAFT
SOCKET
Used for rotating crankshaft.
ST1B022XU0
ST-499987500
EN(H4DOTC)(diag)-9
Electrical Component Location
ENGINE (DIAGNOSTICS)
4. Electrical Component Location
A: LOCATION
1. CONTROL MODULE
(1)
Engine control module (ECM)
(3)
Delivery (test) mode connector
(4)
Data link connector
(2)
Malfunction indicator light
EN-09237
(1)
(3)
(4)
(2)
EN-06142
(1)
(2)
EN-06143
EN-06145
(3)
EN-06147
(4)
EN(H4DOTC)(diag)-10
Electrical Component Location
ENGINE (DIAGNOSTICS)
2. SENSOR
• Models without SI-DRIVE
(1)
Manifold absolute pressure sen-
sor
(4)
Knock sensor
(7)
Mass air flow and intake air tem-
perature sensor
(2)
Engine coolant temperature sen-
sor
(5)
Intake camshaft position sensor
(8)
Tumble generator valve ASSY
(3)
Electronic throttle control
(6)
Crankshaft position sensor
EN-06151
(7)
(5)
(1)
(6)
(4)
(8)
(2)
(8)
(5)
(3)
EN(H4DOTC)(diag)-11
Electrical Component Location
ENGINE (DIAGNOSTICS)
EN-01927
(1)
EN-00295
(2)
EN-01928
(3)
EN-02169
(4)
EN-01798
(5)
EN-02919
(6)
EN-06149
(7)
EN-05373
(8)
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