Subaru Legacy 2003 Service Manual page 876

13.List of Diagnostic Trouble Code (DTC)
A: LIST
Trouble
Item
code
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 temperature sen-
sor
31 Throttle position sensor
32 Oxygen sensor
33 Vehicle speed signal
LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
Contents of diagnosis
• No signal entered from crankshaft
position sensor when starter switch is
ON.
• The harness connector between
ECM and crankshaft position sensor
is in short or open.
• The starter switch signal is abnor-
mal.
• The 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.
• The harness connector between
ECM and camshaft position sensor is
in short or open.
• The engine coolant temperature
sensor signal is abnormal.
• The harness connector between
ECM and engine coolant temperature
sensor is in short or open.
• The knock sensor signal is abnor-
mal.
• The harness connector between
ECM and knock sensor is in short or
open.
• The idle air control solenoid valve is
not in function.
• The harness connector between
ECM and idle air control solenoid
valve is in short or open.
• The intake air temperature sensor
signal is abnormal.
• The harness connector between
ECM and intake air temperature sen-
sor is in short or open.
• The throttle position sensor signal
is abnormal.
• The throttle position sensor is
installed abnormally.
• The harness connector between
ECM and throttle position sensor is in
short or open.
• The oxygen sensor is not in func-
tion.
• The harness connector between
ECM and oxygen sensor is in short or
open.
• The vehicle speed signal is abnor-
mal.
• The harness connector between
ECM and vehicle speed sensor is in
short or open.
EN(H4SOw/oOBD)-57
ENGINE (DIAGNOSTICS)
Index
<Ref. to EN(H4SOw/oOBD)-59, DTC 11 CRANK-
SHAFT POSITION SENSOR, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-62, DTC 12
STARTER SWITCH, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-64, DTC 13 CAM-
SHAFT POSITION SENSOR, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-67, DTC 21 ENGINE
COOLANT TEMPERATURE SENSOR, Diagnos-
tic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN(H4SOw/oOBD)-71, DTC 22 KNOCK
SENSOR, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-73, DTC 24 IDLE AIR
CONTROL SOLENOID VALVE, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-76, DTC 26 INTAKE
AIR TEMPERATURE SENSOR, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-79, DTC 31 THROT-
TLE POSITION SENSOR, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-81, DTC 32 OXY-
GEN SENSOR, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-84, DTC 33 VEHI-
CLE SPEED SIGNAL, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>