Subaru Impreza 2003 Service Manual page 832

ENGINE (DIAGNOSTICS)
DTC Item
38 Torque control signal (AT) • Abnormal signal is entered from
45 Manifold absolute pres-
sure sensor
46 CO resistor (General
spec. vehicles)
51 Neutral position switch
(MT)
Park/Neutral position
switch (AT)
53* Immobilizer system
85 Charge system
*: Immobilizer system equipped model only
LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
Contents of diagnosis
TCM.
• Harness connector between ECM
and TCM is in short or open.
• Manifold absolute pressure sensor
signal is abnormal.
• Harness connector between ECM
and Manifold absolute pressure sen-
sor is in short or open.
• CO resistor signal is abnormal.
• Harness connector between ECM
and CO resistor is in short or open.
• CO valve is not adjusted to specifi-
cation.
• Neutral position switch signal is
abnormal.
• Harness connector between ECM
and neutral position switch is in short
or open.
• Park/neutral position switch signal
is abnormal.
• Shift cable is connected abnor-
mally.
• Harness connector between ECM
and inhibitor switch is in short or
open.
Faulty immobilizer system.
Charge system is abnormal.
EN(H4SOw/oOBD)-56
Index
<Ref. to EN(H4SOw/oOBD)-85, DTC 38
TORQUE CONTROL SIGNAL, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-87, DTC 45 PRES-
SURE SENSOR, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-89, DTC 46 CO
RESISTOR (GENERAL SPEC. VEHICLES),
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SOw/oOBD)-91, DTC 51 NEU-
TRAL POSITION SWITCH (MT MODEL), Diag-
nostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN(H4SOw/oOBD)-93, DTC 51 PARK/
NEUTRAL POSITION SWITCH (AT MODEL),
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to IM-2, Basic Diagnostic Procedure.>
<Ref. to EN(H4SOw/oOBD)-95, DTC 85
CHARGE SYSTEM, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>