2004 SUBARU FORESTER Service Repair Manual

headlight bulb rear entertainment fuel pressure adblue reset fuel

Page 2049 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-25
ENGINE (DIAGNOSTIC)
OBD-II General Scan Tool
2. MODE $01 (CURRENT POWERTRAIN DIAGNOSTIC DATA)
Refers to data denoting the current operating condition of analog input/output, digital

EN(H4DOTC 2.5)-25
ENGINE (DIAGNOSTIC)
OBD-II General Scan Tool
2. MODE $01 (CURRENT POWERTRAIN DIAGNOSTIC DATA)
Refers to data denoting the current operating condition of analog input/output, digital input/output and/or the
powertrain system.
A list of the support data and PID (Parameter Identification) codes are shown in the following table.
NOTE:
Refer to OBD-II general scan tool manufacturer’s instruction manual to access generic OBD-II PIDs (MODE
$01).
3. MODE $02 (POWERTRAIN FREEZE FRAME DATA)
Refers to data denoting the operating condition when trouble is sensed by the on-board diagnosis system.
A list of the support data and PID (Parameter Identification) codes are shown in the following table.
NOTE:
Refer to OBD-II general scan tool manufacturer’s instruction manual to access freeze frame data (MODE
$02).
PID Data Unit of measure
01Number of emission-related powertrain DTC, malfunction indicator light status and diagnosis
support information—
03 Fuel system control status—
04 Calculated engine load value%
05 Engine coolant temperature°C
06 Short term fuel trim%
07 Long term whole fuel trim%
0B Intake manifold absolute pressure kPa, mmHg
0C Engine revolutionrpm
0D Vehicle speedkm/h
0E Ignition timing advance°
0F Intake air temperature°C
10 Air flow rate of mass air flow sensor g/sec
11 Throttle valve absolute opening angle %
13 Check whether oxygen sensor is installed. —
15 Oxygen sensor output voltage and short term fuel trim associated with oxygen sensor V and %
1C Available OBD system—
24 A/F value and A/F sensor output voltage — and V
34 A/F value and A/F sensor current — and mA
PID Data Unit of measure
02 DTC that caused CARB required freeze frame data storage —
03 Fuel system control status—
04 Calculated engine load value%
05 Engine coolant temperature°C
06 Short term fuel trim%
07 Long term whole fuel trim%
0B Intake manifold absolute pressure mmHg
0C Engine speedrpm
0D Vehicle speedkm/h
0E Ignition timing advance°
0F Intake air temperature°C
10 Air flow rate of mass air flow sensor g/sec
11 Throttle valve absolute opening angle %

Page 2050 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-26
ENGINE (DIAGNOSTIC)
OBD-II General Scan Tool
4. MODE $03 (EMISSION-RELATED POWERTRAIN DIAGNOSTIC TROUBLE CODES)
Refer to “Read Diagnostic Trouble Code (DTC)” for information abou

Page 2051 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-27
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
9. Subaru Select Monitor
A: OPERATION
1. HOW TO USE SUBARU SELECT MONI-
TOR
1) Prepare the Subaru Select Monitor kit. <Ref. to
EN(H4DOTC 2.5

Page 2052 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-28
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
4. READ CURRENT DATA FOR ENGINE. (NORMAL MODE)
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] ke

EN(H4DOTC 2.5)-28
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
4. READ CURRENT DATA FOR ENGINE. (NORMAL MODE)
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine} and press the [YES] key.
3) Press the [YES] key after the information of engine type was displayed.
4) On the «Engine Diagnosis» screen, select the {Current Data Display/Save}, and then press the [YES] key.
5) On the «Data Display Menu» screen, select the {Data Display} and press the [YES] key.
6) Using the scroll key, move the display screen up or down until the desired data is shown.
A list of the support data is shown in the following table.
Remarks Display Unit of measure
Battery voltage Battery Voltage V
Vehicle speed signal Vehicle Speed km/h or MPH
Engine speed signal Engine Speed rpm
Engine coolant temperature signal Coolant Temp.°C or °F
Ignition timing signal Ignition Timing deg
Throttle position signal Throttle Opening Angle %
Injection pulse width Fuel Injection #1 Pulse ms
Fuel pump duty control signal Fuel Pump Duty %
A/F sensor current A/F Sensor #1 Current mA
A/F sensor resistance A/F Sensor #1 ResistanceΩ
Front oxygen (A/F) sensor lambda value A/F Sensor #1 —
Rear oxygen sensor output signalRear O
2 Sensor
V
Short term fuel trim A/F Correction #1 %
Knock sensor compensation Knocking Correction deg
Atmospheric pressure signal Atmosphere Pressure mmHg, kPa, inHg or psi
Intake manifold relative pressure signal Mani. Relative Pressure mmHg, kPa, inHg or psi
Intake manifold absolute pressure signal Mani. Absolute Pressure mmHg, kPa, inHg or psi
A/F correction (short term fuel trim) by rear oxygen sensor A/F Correction #3 %
Long term whole fuel trim A/F Learning #1 %
Canister purge control solenoid valve duty ratio CPC Valve Duty Ratio %
Primary supercharged pressure control signal Primary Control %
Tumble generated valve position sensor signal (RH side) TGV Position Sensor R V
Tumble generated valve position sensor signal (LH side) TGV Position Sensor L V
Acceleration opening angle Accel Opening Angle %
VVT advance angle amount (R) VVT Adv. Amount R deg
VVT advance angle amount (L) VVT Adv. amount L deg
OCV duty R OCV Duty R %
OCV duty L OCV Duty L %
OCV current R OCV current R mA
OCV current L OCV Current L mA
Throttle motor duty Throttle Motor Duty %
Throttle power supply voltage Throttle Motor Voltage V
Sub throttle sensor voltage Sub-Throttle Sensor V
Main throttle sensor voltage Main-Throttle Sensor V
Sub acceleration sensor voltage Sub-Accelerator Sensor V
Main acceleration sensor voltage Main-Accelerator Sensor V
Memory vehicle speed Memorized Cruise Speed km/h
Alternate duty ratio ALT Duty %
Exhaust gas temperature signal Exhaust gas temperature°C
Estimated cumulative driving distance Odd Meter Km
Fuel level signal Fuel Level Voltage V
Intake air temperature signal Intake Air Temp.°C or °F
Mass air flow sensor signal Mass Air Flow g/s

Page 2053 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-29
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
NOTE:
For detailed operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.
Mass air flow sensor signal Air Flow Sens

EN(H4DOTC 2.5)-29
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
NOTE:
For detailed operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.
Mass air flow sensor signal Air Flow Sensor Voltage V
AT/MT identification signal AT Vehicle ID Signal ON or OFF
ETC motor relay ETC Motor Relay ON or OFF
Clutch SW Clutch Switch ON or OFF
Stop Light SW Stop Light Switch ON or OFF
SET/COAST SW SET/COAST Switch ON or OFF
RESUME/ACCEL SW RESUME/ACCEL Switch ON or OFF
Brake SW Brake Switch ON or OFF
Main SW Main Switch ON or OFF
Ignition switch signal Ignition Switch ON or OFF
Test Mode Signal Test Mode Signal ON or OFF
Neutral position switch signal Neutral Position Switch ON or OFF
Air conditioning switch signal A/C Switch ON or OFF
Air conditioning signal A/C Compressor Signal ON or OFF
Radiator main fan relay signal Radiator Fan Relay #1 ON or OFF
Knocking signal Knocking Signal ON or OFF
Radiator sub fan relay signal Radiator Fan Relay #2 ON or OFF
Power steering switch signal P/S Switch ON or OFF
Rear oxygen sensor rich signalRear O
2 Rich Signal
ON or OFF
Starter switch signal Starter Switch ON or OFF
Idle switch signal Idle Switch Signal ON or OFF
Crankshaft position sensor signal Crankshaft Position Sig. ON or OFF
Camshaft position sensor signal Camshaft Position Sig. ON or OFF
Rear defogger switch signal Rear Defogger SW ON or OFF
Blower fan switch signal Blower Fan SW ON or OFF
Small light switch signal Light Switch ON or OFF
Handle switch signal Handle Switch —
Wiper switch signal Wiper Switch ON or OFF
A/C mid pressure switch signal A/C mid Pressure Switch ON or OFF
AT coordinate retard angle demand Retard Signal form AT ON or OFF
AT coordinate fuel cut demand Fuel Cut Signal from AT ON or OFF
AT coordinate permission signal Torque Permission Signal ON or OFF
UDC not torque down output Ban of Torque Down ON or OFF
UDC torque down demand Request Torque Down UDC ON or OFF
Tumble generated valve output signal TGV Output ON or OFF
Tumble generated valve drive signal TGV Drive OPEN or CLOSERemarks Display Unit of measure

Page 2054 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-30
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
5. READ CURRENT DATA FOR ENGINE (OBD MODE)
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2

EN(H4DOTC 2.5)-30
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
5. READ CURRENT DATA FOR ENGINE (OBD MODE)
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine} and press the [YES] key.
3) Press the [YES] key after the information of engine type was displayed.
4) On the «Engine Diagnosis» display screen, select the {OBD System} and press the [YES] key.
5) On the «OBD Menu» screen, select the {Current Data Display/Save}, and then press the [YES] key.
6) On the «Data Display Menu» screen, select the {Data Display} and press the [YES] key.
7) Using the scroll key, move the display screen up or down until the desired data is shown.
A list of the support data is shown in the following table.
NOTE:
For detailed operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.
Description Display Unit of measure
Number of diagnosis code Number of Diagnosis Code —
Condition of malfunction indicator light MI (MIL) ON or OFF
Monitoring test of misfire Misfire monitoring No support
Monitoring test of fuel system Fuel system monitoring No support
Monitoring test of comprehensive component Component monitoring No support
Test of catalyst Catalyst Diagnosis No support
Test of heating-type catalyst Heated catalyst No support
Test of evaporative emission purge control system Evaporative purge system No support
Test of secondary air system Secondary air system No support
Test of air conditioning system refrigerant A/C system refrigerant No support
Test of oxygen sensor Oxygen sensor No support
Test of oxygen sensor heaterO
2 Heater Diagnosis
No support
Test of EGR system EGR system No support
Air fuel ratio control system for bank 1 Fuel System for Bank 1 —
Engine load data Calculated load value %
Engine coolant temperature signal Coolant Temp.°C or °F
Short term fuel trim by front oxygen (A/F) sensor Short term fuel trim B1 %
Long term fuel trim by front oxygen (A/F) sensor Long term fuel trim B1 %
Intake manifold absolute pressure signal Mani. Absolute Pressure mmHg, kPa, inHg or psi
Engine speed signal Engine Speed rpm
Vehicle speed signal Vehicle Speed km/h or MPH
Ignition timing advance for #1 cylinder Ignition timing adv. #1°
Intake air temperature signal Intake Air Temp.°C or °F
Amount of intake air Mass Air Flow g/s
Throttle position signal Throttle Opening Angle %
Oxygen sensor #11 Oxygen Sensor #11 —
Oxygen sensor #12 Oxygen Sensor #12 —
Rear oxygen sensor output signal Oxygen Sensor #12 V
Air fuel ratio correction by rear oxygen sensor Short term fuel trim #12 %
On-board diagnostic system OBD System others
A/F sensor output signal A/F sensor #11 V
A/F lambda signal A/F sensor #11 —
A/F lambda signal #11 A/F sensor #11 —
A/F sensor current #11 A/F sensor #11 mA

Page 2055 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-31
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
6. READ FREEZE FRAME DATA FOR ENGINE. (OBD MODE)
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES]

Page 2056 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-32
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
7. LED OPERATION MODE FOR ENGINE
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the �

EN(H4DOTC 2.5)-32
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
7. LED OPERATION MODE FOR ENGINE
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine} and press the [YES] key.
3) Press the [YES] key after the information of engine type was displayed.
4) On the «Engine Diagnosis» screen, select the {Current Data Display/Save}, and then press the [YES] key.
5) On the «Data Display» screen, select the {Data & LED Display} and press the [YES] key.
6) Using the scroll key, move the display screen up or down until the desired data is shown.
A list of the support data is shown in the following table.
Description Display Message LED “ON” requirements
Ignition switch signal Ignition Switch ON or OFF When ignition switch is ON.
Test Mode Signal Test Mode Signal ON or OFF When test mode connector is connected.
Neutral position switch signal Neutral Position Switch ON or OFF When neutral position signal is entered.
Air conditioning switch signal A/C Switch ON or OFF When air conditioning switch is ON.
Air conditioning relay signal A/C Compressor Signal ON or OFF When air conditioning relay is in function.
Radiator main fan relay signal Radiator Fan Relay #1 ON or OFF When radiator main fan relay is in function.
Knocking signal Knocking Signal ON or OFF When knocking signal is input.
Radiator sub fan relay signal Radiator Fan Relay #2 ON or OFF When radiator sub fan relay is in function.
Rear oxygen sensor rich signalRear O
2 Rich Signal
ON or OFFWhen rear oxygen sensor mixture ratio is
rich.
Starter switch signal Starter Switch Signal ON or OFF When starter switch signal is entered.
Idle switch signal Idle Switch Signal ON or OFF When idle switch signal is entered.
Crankshaft position sensor signal Crankshaft Position Signal ON or OFFWhen crankshaft position sensor signal is
input.
Camshaft position sensor signal Camshaft Position Signal ON or OFFWhen camshaft position sensor signal is
entered.
Power steering switch signal P/S Switch ON or OFF When power steering switch is entered.
Rear defogger switch signal Rear Defogger Switch ON or OFF When rear defogger switch is ON.
Blower fan switch signal Blower Fan Switch ON or OFF When blower fan switch is ON.
Small light switch signal Light Switch ON or OFF When small light switch is ON.
Tumble generated valve actuator
signalTGV Output ON or OFF When TGV actuator signal is entered.
Tumble generated valve drive sig-
nalTGV DriveClose or
OpenWhen TGV moves and valve opens.
Handle switch signal Handle SWLow Input
or High
InputIlluminates in Low Input.
AT/MT identification terminal AT Vehicle ID Signal ON or OFF ON (AT model).
Wiper switch signal Wiper Switch ON or OFF When wiper switch is turned to ON.
A/C mid pressure switch signal A/C Mid Pressure Switch ON or OFFWhen A/C mid pressure switch is turned to
ON.
AT coordinate retard angle
demandRetard Signal from AT ON or OFF When AT retard angle signal is exists.
AT coordinate fuel cut demand Fuel Cut Signal from AT ON or OFFWhen AT coordinate fuel cut demand signal
is exists.
AT coordinate permission signal Torque Permission Signal ON or OFFWhen AT coordinate permission signal is
exists.
VDC not torque down out put Ban of Torque Down ON or OFFWhen VDC not torque down output signal is
exists.
VDC torque down demand Request Torque Down VDC ON or OFFWhen VDC torque down demand signal is
exists.
ETC motor relay signal ETC Motor Relay ON or OFFWhen electronic throttle control relay is in
function.
Clutch switch signal Clutch Switch ON or OFF When clutch switch is ON.
Stop switch signal Stop Light Switch ON or OFF When stop light switch is ON.

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