Subaru Legacy 2004 Service Manual page 834

ENGINE (DIAGNOSTICS)
DTC
P1493 EGR Solenoid Valve Signal #1 Cir-
cuit Malfunction (High Input)
P1494 EGR Solenoid Valve Signal #2 Cir-
cuit Malfunction (Low Input)
P1495 EGR Solenoid Valve Signal #2 Cir-
cuit Malfunction (High Input)
P1496 EGR Solenoid Valve Signal #3 Cir-
cuit Malfunction (Low Input)
P1497 EGR Solenoid Valve Signal #3 Cir-
cuit Malfunction (High Input)
P1498 EGR Solenoid Valve Signal #4 Cir-
cuit Malfunction (Low Input)
P1499 EGR Solenoid Valve Signal #4 Cir-
cuit Malfunction (High Input)
P1518 Starter Switch Circuit Low Input
P1521 Brake Switch Circuit Range/Perfor-
mance Problem (High Input)
P1560 Back-Up Voltage Circuit Malfunction
P1570 Antenna
P1571 Reference Code Incompatibility
P1572 IMM Circuit Failure (Except antenna
circuit)
P1574 Key Communication Failure
P1576 EGI Control Module EEPROM
P1577 IMM Control Module EEPROM
P1578 Meter Failure
P2100 Throttle Control Motor Circuit Open
P2101 Throttle Actuator Control Motor Cir-
cuit Range/Performance
P2102 Throttle Actuator Control Motor Cir-
cuit Low
P2103 Throttle Actuator Control Motor Cir-
cuit High
List of Diagnostic Trouble Code (DTC)
Item
<Ref. to EN(H4SO 2.0)(diag)-181, DTC P1493 EGR SOLENOID VALVE
SIGNAL #1 CIRCUIT MALFUNCTION (HIGH INPUT), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-181, DTC P1494 EGR SOLENOID VALVE
SIGNAL #2 CIRCUIT MALFUNCTION (LOW INPUT), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-181, DTC P1495 EGR SOLENOID VALVE
SIGNAL #2 CIRCUIT MALFUNCTION (HIGH INPUT), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-181, DTC P1496 EGR SOLENOID VALVE
SIGNAL #3 CIRCUIT MALFUNCTION (LOW INPUT), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-181, DTC P1497 EGR SOLENOID VALVE
SIGNAL #3 CIRCUIT MALFUNCTION (HIGH INPUT), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-182, DTC P1498 EGR SOLENOID VALVE
SIGNAL #4 CIRCUIT MALFUNCTION (LOW INPUT), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-184, DTC P1499 EGR SOLENOID VALVE
SIGNAL #4 CIRCUIT MALFUNCTION (HIGH INPUT), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-186, DTC P1518 STARTER SWITCH CIR-
CUIT LOW INPUT, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN(H4SO 2.0)(diag)-189, DTC P1521 BRAKE SWITCH CIRCUIT
RANGE/PERFORMANCE PROBLEM (HIGH INPUT), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-191, DTC P1560 BACK-UP VOLTAGE CIR-
CUIT MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to IM(diag)-18, DTC P1570 ANTENNA, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to IM(diag)-21, DTC P1571 REFERENCE CODE INCOMPATIBILITY,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to IM(diag)-22, DTC P1572 IMM CIRCUIT FAILURE (EXCEPT
ANTENNA CIRCUIT), Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to IM(diag)-25, DTC P1574 KEY COMMUNICATION FAILURE, Diag-
nostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to IM(diag)-25, DTC P1576 EGI CONTROL MODULE EEPROM, Diag-
nostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to IM(diag)-25, DTC P1577 IMM CONTROL MODULE EEPROM,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to IM(diag)-26, DTC P1578 METER FAILURE, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-192, DTC P2100 THROTTLE CONTROL
MOTOR CIRCUIT OPEN, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-193, DTC P2101 THROTTLE ACTUATOR
CONTROL MOTOR CIRCUIT RANGE/PERFORMANCE, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-200, DTC P2102 THROTTLE ACTUATOR
CONTROL MOTOR CIRCUIT LOW, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-203, DTC P2103 THROTTLE ACTUATOR
CONTROL MOTOR CIRCUIT HIGH, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
EN(H4SO 2.5)(diag)-78
NOTE