Subaru Legacy IV (2008 year). Service manual - part 597

 

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Subaru Legacy IV (2008 year). Service manual - part 597

 

 

GD(H6DO)-8

List of Diagnostic Trouble Code (DTC)

GENERAL DESCRIPTION

P1574

Key Communication Failure

<Ref. to GD(H6DO)-181, DTC P1574 KEY COMMUNICATION FAILURE, 
Diagnostic Trouble Code (DTC) Detecting Criteria.>

P1576

EGI Control Module EEPROM

<Ref. to GD(H6DO)-181, DTC P1576 EGI CONTROL MODULE EEPROM, 
Diagnostic Trouble Code (DTC) Detecting Criteria.>

P1577

IMM Control Module EEPROM

<Ref. to GD(H6DO)-181, DTC P1577 IMM CONTROL MODULE EEPROM, 
Diagnostic Trouble Code (DTC) Detecting Criteria.>

P1578

Meter Failure

<Ref. to GD(H6DO)-181, DTC P1578 METER FAILURE, Diagnostic Trouble 
Code (DTC) Detecting Criteria.>

P1602

Control Module Programming Error

<Ref. to GD(H6DO)-182, DTC P1602 CONTROL MODULE PROGRAM-
MING ERROR, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P2088

Intake Camshaft Position Actuator 
Control Circuit Low (Bank 1)

<Ref. to GD(H6DO)-184, DTC P2088 INTAKE CAMSHAFT POSITION 
ACTUATOR CONTROL CIRCUIT LOW (BANK 1), Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P2089

Intake Camshaft Position Actuator 
Control Circuit High (Bank 1)

<Ref. to GD(H6DO)-185, DTC P2089 INTAKE CAMSHAFT POSITION 
ACTUATOR CONTROL CIRCUIT HIGH (BANK 1), Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P2092

Intake Camshaft Position Actuator 
Control Circuit Low (Bank 2)

<Ref. to GD(H6DO)-186, DTC P2092 INTAKE CAMSHAFT POSITION 
ACTUATOR CONTROL CIRCUIT LOW (BANK 2), Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P2093

Intake Camshaft Position Actuator 
Control Circuit High (Bank 2)

<Ref. to GD(H6DO)-186, DTC P2093 INTAKE CAMSHAFT POSITION 
ACTUATOR CONTROL CIRCUIT HIGH (BANK 2), Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P2096

Post Catalyst Fuel Trim System Too 
Lean (Bank 1)

<Ref. to GD(H6DO)-187, DTC P2096 POST CATALYST FUEL TRIM SYS-
TEM TOO LEAN (BANK 1), Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P2097

Post Catalyst Fuel Trim System Too 
Rich (Bank 1)

<Ref. to GD(H6DO)-189, DTC P2097 POST CATALYST FUEL TRIM SYS-
TEM TOO RICH (BANK 1), Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P2098

Post Catalyst Fuel Trim System Too 
Lean Bank 2

<Ref. to GD(H6DO)-190, DTC P2098 POST CATALYST FUEL TRIM SYS-
TEM TOO LEAN BANK 2, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P2099

Post Catalyst Fuel Trim System Too 
Rich Bank 2

<Ref. to GD(H6DO)-190, DTC P2099 POST CATALYST FUEL TRIM SYS-
TEM TOO RICH BANK 2, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P2101

Throttle Actuator Control Motor Circuit 
Range/Performance

<Ref. to GD(H6DO)-191, DTC P2101 THROTTLE ACTUATOR CONTROL 
MOTOR CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P2102

Throttle Actuator Control Motor Circuit 
Low

<Ref. to GD(H6DO)-193, DTC P2102 THROTTLE ACTUATOR CONTROL 
MOTOR CIRCUIT LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P2103

Throttle Actuator Control Motor Circuit 
High

<Ref. to GD(H6DO)-195, DTC P2103 THROTTLE ACTUATOR CONTROL 
MOTOR CIRCUIT HIGH, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P2109

Throttle/Pedal Position Sensor “A” 
Minimum Stop Performance

<Ref. to GD(H6DO)-197, DTC P2109 THROTTLE/PEDAL POSITION SEN-
SOR “A” MINIMUM STOP PERFORMANCE, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P2122

Throttle/Pedal Position Sensor/Switch 
“D” Circuit Low Input

<Ref. to GD(H6DO)-199, DTC P2122 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “D” CIRCUIT LOW INPUT, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P2123

Throttle/Pedal Position Sensor/Switch 
“D” Circuit High Input

<Ref. to GD(H6DO)-201, DTC P2123 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “D” CIRCUIT HIGH INPUT, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P2127

Throttle/Pedal Position Sensor/Switch 
“E” Circuit Low Input

<Ref. to GD(H6DO)-203, DTC P2127 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “E” CIRCUIT LOW INPUT, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

DTC

Item

Index

GD(H6DO)-9

List of Diagnostic Trouble Code (DTC)

GENERAL DESCRIPTION

P2128

Throttle/Pedal Position Sensor/
Switch “E” Circuit High Input

<Ref. to GD(H6DO)-205, DTC P2128 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “E” CIRCUIT HIGH INPUT, Diagnostic Trouble Code (DTC) 
Detecting Criteria.>

P2135

Throttle/Pedal Position Sensor/
Switch “A”/“B” Voltage Correlation

<Ref. to GD(H6DO)-207, DTC P2135 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “A”/“B” VOLTAGE CORRELATION, Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P2138

Throttle/Pedal Position Sensor/
Switch “D”/“E” Voltage Correlation

<Ref. to GD(H6DO)-209, DTC P2138 THROTTLE/PEDAL POSITION SEN-
SOR/SWITCH “D”/“E” VOLTAGE CORRELATION, Diagnostic Trouble Code 
(DTC) Detecting Criteria.>

P2227

Barometric Pressure Circuit Range/
Performance

<Ref. to GD(H6DO)-211, DTC P2227 BAROMETRIC PRESSURE CIRCUIT 
RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>

P2228

Barometric Pressure Circuit Low

<Ref. to GD(H6DO)-212, DTC P2228 BAROMETRIC PRESSURE CIRCUIT 
LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>

P2229

Barometric Pressure Circuit High

<Ref. to GD(H6DO)-213, DTC P2229 BAROMETRIC PRESSURE CIRCUIT 
HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>

DTC

Item

Index

GD(H6DO)-10

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

2. Diagnostic Trouble Code (DTC) Detecting Criteria

A: DTC P0011 INTAKE CAMSHAFT POSITION - TIMING OVER-ADVANCED OR 

SYSTEM PERFORMANCE (BANK 1)

1. OUTLINE OF DIAGNOSIS

Detect the AVCS system malfunction.
Judge NG when the amount of AVCS actual timing advance does not approach to the amount of AVCS target
timing advance.

2. COMPONENT DESCRIPTION

3. ENABLE CONDITION

4. GENERAL DRIVING CYCLE

Perform the diagnosis continuously after warming up when the engine speed increases and AVCS operates.

(1)

AVCS timing controller

(3)

Engine control module (ECM)

(5)

Oil pressure

(2)

Vane

(4)

Oil flow control solenoid valve

 

 

Secondary Parameters

Enable Conditions

Time of establishing all secondary 
parameter conditions

t 3000 ms

Battery voltage

t 10.9 V

Engine speed

t 1500 rpm

Engine coolant temperature

t 50 °C (122 °F)

AVCS control

Operation

Target advance angle

t 0 °CA

Target timing advance change amount 
(per 64 ms)

< 1.07 °CA

EN-01852

(3)

(4)

(1)

(5)

(2)

GD(H6DO)-11

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

5. DIAGNOSTIC METHOD

1) When the conditions during which the differences of AVCS target timing advance amount and AVCS ac-
tual timing advance amount is large continues for certain amount of time.
2) When the differences of target timing advance amount and actual timing advance amount is calculated
during AVCS control, and the difference per predetermined time is the specified value or larger.

• Abnormality Judgement

Judge as NG when the following conditions are established within the predetermined time.

Time Needed for Diagnosis: 30000 ms
Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cy-
cles.

• Normality Judgement

Judge as OK and clear the NG if the following conditions are established within the predetermined time.

Time Needed for Diagnosis: 30000 ms

Judgement Value

Malfunction criteria

Threshold value

6(Target position – Actual position)

> 8000 °CA (Bank 1)
> 8000 °CA (Bank 2)

or

 

6(Target position – Actual position)

< –2500 °CA (Bank 1)
< –2500 °CA (Bank 2)

Judgement Value

Malfunction criteria

Threshold value

6(Target position – Actual position)

d 8000 °CA (Bank 1)
d 8000 °CA (Bank 2)

 and

t –2500 °CA (Bank 1)
t –2500 °CA (Bank 2)

 

 

 

 

 

 

 

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