Subaru IMPREZA 2004 Service Manual page 751

13.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Item
11 Crankshaft position sen-
sor
12 Starter switch
13 Camshaft position sensor
21 Engine coolant tempera-
ture sensor
22 Knock sensor
24 Idle air control solenoid
valve
26 Intake air temperature
sensor
31 Throttle position sensor
32 Oxygen sensor
33 Vehicle speed signal
35 Purge control solenoid
valve
List of Diagnostic Trouble Code (DTC)
Contents of diagnosis
• No signal entered from crankshaft
position sensor when starter switch is
ON.
• Harness connector between ECM
and crankshaft position sensor is in
short or open.
• Starter switch signal is abnormal.
• Harness connector between ECM
and starter switch is in short or open.
• No signal entered from camshaft
position sensor, but signal entered
from crankshaft position sensor.
• Harness connector between ECM
and camshaft position sensor is in
short or open.
• Engine coolant temperature sensor
signal is abnormal.
• Harness connector between ECM
and engine coolant temperature sen-
sor is in short or open.
• Knock sensor signal is abnormal.
• Harness connector between ECM
and knock sensor is in short or open.
• Idle air control solenoid valve is not
in function.
• Harness connector between ECM
and idle air control solenoid valve is in
short or open.
• Intake air temperature sensor sig-
nal is abnormal.
• Harness connector between ECM
and intake air temperature sensor is
in short or open.
• Throttle position sensor signal is
abnormal.
• Throttle position sensor is installed
abnormally.
• Harness connector between ECM
and throttle position sensor is in short
or open.
• Oxygen sensor is not in function.
• Harness connector between ECM
and oxygen sensor is in short or open.
• Vehicle speed signal is abnormal.
• Harness connector between ECM
and vehicle speed sensor is in short
or open.
• Purge control solenoid valve is not
in function.
• Harness connector between ECM
and purge control solenoid valve is in
short or open.
EN(H4SOw/oOBD)(diag)-55
ENGINE (DIAGNOSTICS)
Index
<Ref. to EN(H4SOw/oOBD)(diag)-57, DTC 11
CRANKSHAFT POSITION SENSOR, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-60, DTC 12
STARTER SWITCH, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-62, DTC 13
CAMSHAFT POSITION SENSOR, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-64, DTC 21
ENGINE COOLANT TEMPERATURE SENSOR,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-67, DTC 22
KNOCK SENSOR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-69, DTC 24
IDLE AIR CONTROL SOLENOID VALVE, Diag-
nostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-72, DTC 26
INTAKE AIR TEMPERATURE SENSOR, Diag-
nostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-75, DTC 31
THROTTLE POSITION SENSOR, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-77, DTC 32
OXYGEN SENSOR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-80, DTC 33
VEHICLE SPEED SIGNAL, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)(diag)-82, DTC 35
PURGE CONTROL SOLENOID VALVE, Diag-
nostic Procedure with Diagnostic Trouble Code
(DTC).>