torque SUBARU FORESTER 2004 Service Repair Manual
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Page 1133 of 2870
![SUBARU FORESTER 2004 Service Repair Manual EN(H4SO)-35
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
8. READ CURRENT DATA FOR AT
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Sel](/img/17/57426/w960_57426-1132.png "SUBARU FORESTER 2004 Service Repair Manual EN(H4SO)-35
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
8. READ CURRENT DATA FOR AT
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Sel")
EN(H4SO)-35
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
8. READ CURRENT DATA FOR AT
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 {Transmission} and press the [YES] key.
3) Press the [YES] key after the information of transmission type is displayed.
4) On the «Transmission Diagnosis» display screen, select the {Current Data Display & Save} and press the
[YES] key.
5) On the «Transmission Diagnosis» display screen, select the {Data Display} and press the [YES] key.
6) Using the scroll key, scroll 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 Unit of measure
Battery voltage Battery Voltage V
Rear vehicle speed sensor signal Rear Wheel Speed km/h or MPH
Front vehicle speed sensor signal Front Wheel Speed km/h or MPH
Engine speed signal Engine speed rpm
ATF temperature signal ATF Temp.°C or °F
Throttle position sensor Throttle Sensor Voltage V
Gear Position Gear position —
Line pressure control duty ratio Line pressure duty %
Lock up clutch control duty ratio L/U Duty %
Transfer clutch control duty ratio AWD duty %
Throttle position sensor power supply Throttle sensor power supply V
Turbine revolution signal Turbine Revolution Speed rpm
2-4 Brake timing pressure control duty ratio 2-4 B Pressure Duty %
Intake manifold pressure sensor voltage Mani. Relative Voltage V
FWD switch signal FWD SW ON or OFF
Kick down switch signal Kick Down Switch ON or OFF
Stop light switch signal Stop Light SW ON or OFF
Anti lock brake system signal ABS signal ON or OFF
Cruise control system signal Cruise Control Signal ON or OFF
Neutral/Parking range signal N/P range ON or OFF
Reverse range signal R Range ON or OFF
Drive range signal D Range ON or OFF
3rd range signal 3rd Range Signal ON or OFF
2nd range signal 2nd Range Signal ON or OFF
1st range signal 1st Range Signal ON or OFF
Shift control solenoid A Shift Solenoid #1 ON or OFF
Shift control solenoid B Shift Solenoid #2 ON or OFF
Torque control output signal #1 Torque control output signal 1 ON or OFF
Torque control output signal #2 Torque control output signal 2 ON or OFF
Torque control cut signal Torque Control Cut Sig ON or OFF
2-4 brake timing control solenoid valve 2-4B Timing Solenoid ON or OFF
Low clutch timing control solenoid valve L/C timing solenoid ON or OFF
Automatic transmission diagnosis light output signal Diagnosis Lamp ON or OFF
Page 1135 of 2870
EN(H4SO)-37
ENGINE (DIAGNOSTIC)
Inspection Mode
12.Inspection Mode
A: OPERATION
Perform the diagnosis on the “Diagnosis Trouble Codes (DTC) List” below.
Refer to the item of drive cycle when perform the diagnosis not on the “Diagnosis Trouble Codes (DTC) List”
below.
DTC Item
P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1)
P0031 HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
P0032 HO2S Heater Control Circuit High (Bank 1 Sensor 1)
P0037 HO2S Heater Control Circuit Low (Bank 1 Sensor 2)
P0038 HO2S Heater Control Circuit High (Bank 1 Sensor 2)
P0068 Manifold Pressure Sensor Range/Performance
P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input
P0112 Intake Air Temperature Circuit Low Input
P0113 Intake Air Temperature Circuit High Input
P0117 Engine Coolant Temperature Circuit Low Input
P0118 Engine Coolant Temperature Circuit High Input
P0122 Throttle/Pedal Position Sensor/Switch “A” Circuit Low Input
P0123 Throttle/Pedal Position Sensor/Switch “A” Circuit High Input
P0129 Barometric Pressure Too Low
P0131 O
2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
P0132 O
2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
P0134 O
2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
P0137 O
2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
P0138 O
2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
P0335 Crankshaft Position Sensor “A” Circuit
P0336 Crankshaft Position Sensor “A” Circuit Range/Performance
P0340 Camshaft Position Sensor “A” Circuit (Bank 1 or Single Sensor)
P0341 Camshaft Position Sensor “A” Circuit Range/Performance (Bank 1 or Single Sensor)
P0458 Evaporative Emission Control System Purge Control Valve Circuit Low
P0462 Fuel Level Sensor Circuit Low Input
P0463 Fuel Level Sensor Circuit High Input
P0502 Vehicle Speed Sensor Circuit Low Input
P0503 Vehicle Speed Sensor Intermittent/Erratic/High
P0512 Starter Request Circuit
P0513 Incorrect Immobilizer Key
P0519 Idle Control System Malfunction (Fail-Safe)
P0565 Cruise Control On Signal
P0604 Internal Control Module Random Access Memory (RAM) Error
P0703 Torque Converter/Brake Switch “B” Circuit
P0705 Transmission Range Sensor Circuit (PRNDL Input)
P0710 Transmission Fluid Temperature Sensor Circuit
P0716 Torque converter turbine speed sensor
P0720 AT Vehicle Speed Sensor Circuit Malfunction
P0726 Engine Speed Input Circuit Malfunction
P0731 Gear 1 Incorrect Ratio
P0732 Gear 2 Incorrect Ratio
P0733 Gear 3 Incorrect Ratio
Page 1136 of 2870
EN(H4SO)-38
ENGINE (DIAGNOSTIC)
Inspection Mode
P0734 Gear 4 Incorrect Ratio
P0741 Torque Converter Clutch Circuit Performance or Stuck Off
P0743 Torque Converter Clutch Circuit Electrical
P0748 Pressure Control Solenoid “A” Electrical
P0753 Shift Solenoid “A” Electrical
P0758 Shift Solenoid “B” Electrical
P0771 Low clutch timing solenoid
P0778 Pressure Control Solenoid “B” Electrical
P0785 Shift/Timing Solenoid
P0851 Neutral Switch Input Circuit Low
P0852 Neutral Switch Input Circuit High
P0864 TCM Communication Circuit Range/Performance
P0865 TCM Communication Circuit Low
P0866 TCM Communication Circuit Low
P1110 Atmospheric Pressure Sensor Circuit Malfunction (Low Input)
P1111 Atmospheric Pressure Sensor Circuit Malfunction (High Input)
P1492 EGR Valve Signal #1 Circuit Malfunction (Low Input)
P1493 EGR Valve Signal #1 Circuit Malfunction (High Input)
P1494 EGR Valve Signal #2 Circuit Malfunction (Low Input)
P1495 EGR Valve Signal #2 Circuit Malfunction (High Input)
P1496 EGR Valve Signal #3 Circuit Malfunction (Low Input)
P1497 EGR Valve Signal #3 Circuit Malfunction (High Input)
P1498 EGR Valve Signal #4 Circuit Malfunction (Low Input)
P1499 EGR Valve Signal #4 Circuit Malfunction (High Input)
P1510 ISC Solenoid Valve Signal #1 Circuit Malfunction (Low Input)
P1511 ISC Solenoid Valve Signal #1 Circuit Malfunction (High Input)
P1512 ISC Solenoid Valve Signal #2 Circuit Malfunction (Low Input)
P1513 ISC Solenoid Valve Signal #2 Circuit Malfunction (High Input)
P1514 ISC Solenoid Valve Signal #3 Circuit Malfunction (Low Input)
P1515 ISC Solenoid Valve Signal #3 Circuit Malfunction (High Input)
P1516 ISC Solenoid Valve Signal #4 Circuit Malfunction (Low Input)
P1517 ISC Solenoid Valve Signal #4 Circuit Malfunction (High Input)
P1518 Starter Switch Circuit Low Input
P1560 Back-Up Voltage Circuit Malfunction
P1570 Antenna
P1571 Reference Code Incompatibility
P1572 EGI — Immobilizer Communication
P1574 Key — Communication Failure
P1576 EGI Control Module EEPROM
P1577 IMM Control Module EEPROM
P1698 Engine Torque Control Cut Signal Circuit Malfunction (Low Input)
P1699 Engine Torque Control Cut Signal Circuit Malfunction (High Input)
P1700 Throttle Position Sensor Circuit Malfunction For AT
P1711 Engine Torque Control Signal #1 Circuit Malfunction
P1712 Engine Torque Control Signal #2 Circuit MalfunctionDTC Item
Page 1172 of 2870
EN(H4SO)-74
ENGINE (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
P0420 Catalyst System Efficiency Below
Threshold (Bank 1)
Trouble Code (DTC).>
P0458 Evaporative Emission Control Sys-
tem Purge Control Valve Circuit Low
cedure with Diagnostic Trouble Code (DTC).>
P0459 Evaporative Emission Control Sys-
tem Purge Control Valve Circuit High
Procedure with Diagnostic Trouble Code (DTC).>
P0461 Fuel Level Sensor Circuit Range/Per-
formance
Code (DTC).>
P0462 Fuel Level Sensor Circuit Low Input
P0463 Fuel Level Sensor Circuit High Input
P0464 Fuel Level Sensor Circuit Intermittent
(DTC).>
P0483 Cooling Fan Rationality Check
P0502 Vehicle Speed Sensor Circuit Low
Input
P0503 Vehicle Speed Sensor Intermittent/
Erratic/High
P0506 Idle Control System RPM Lower
Than Expected
Code (DTC).>
P0507 Idle Control System RPM Higher
Than Expected
Code (DTC).>
P0512 Starter Request Circuit
P0513 Incorrect Immobilizer Key
P0519 Idle Control System Malfunction
(Fail-Safe)
(DTC).>
P0565 Cruise Control On Signal
P0604 Internal Control Module Random
Access Memory (RAM) Error
nostic Trouble Code (DTC).>
P0691 Cooling Fan 1 Control Circuit Low
P0692 Cooling Fan 1 Control Circuit High
P0703 Torque Converter/Brake Switch “B”
Circuit
(DTC).>
P0705 Transmission Range Sensor Circuit
(PRNDL Input)
P0710 Transmission Fluid Temperature
Sensor Circuit
P0716 Torque converter turbine speed sen-
sor
Page 1173 of 2870
EN(H4SO)-75
ENGINE (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
P0720 AT Vehicle Speed Sensor Circuit
Malfunction
P0726 Engine Speed Input Circuit Malfunc-
tion
P0731 Gear 1 Incorrect Ratio
P0732 Gear 2 Incorrect Ratio
P0733 Gear 3 Incorrect Ratio
P0734 Gear 4 Incorrect Ratio
P0741 Torque Converter Clutch Circuit Per-
formance or Stuck Off
Diagnostic Trouble Code (DTC).>
P0743 Torque Converter Clutch Circuit Elec-
trical
P0748 Pressure Control Solenoid “A” Elec-
trical
P0753 Shift Solenoid “A” Electrical
P0758 Shift Solenoid “B” Electrical
P0771 Low clutch timing solenoid
P0778 Pressure Control Solenoid “B” Elec-
trical
P0785 Shift/Timing Solenoid
P0851 Neutral Switch Input Circuit Low
(MT MODEL), Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P0852 Neutral Switch Input Circuit High
P0864 TCM Communication Circuit Range/
Pe r fo r ma nc e
Code (DTC).>
P0865 TCM Communication Circuit Low
P0866 TCM Communication Circuit Low
P1110 Atmospheric Pressure Sensor Circuit
Malfunction (Low Input)
Diagnostic Trouble Code (DTC).>
P1111 Atmospheric Pressure Sensor Circuit
Malfunction (High Input)
Diagnostic Trouble Code (DTC).>
P1134 A/F Sensor Micro-Computer Problem
P1137 O
2 Sensor Circuit (Lambda= 1)
(Bank 1 Sensor 1)
(DTC).>
P1492 EGR Valve Signal #1 Circuit Malfunc-
tion (Low Input)
ble Code (DTC).> DTC Item NOTE
Page 1175 of 2870
EN(H4SO)-77
ENGINE (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
P1576 EGI Control Module EEPROM
P1577 IMM Control Module EEPROM
P1698 Engine Torque Control Cut Signal
Circuit Malfunction (Low Input)
with Diagnostic Trouble Code (DTC).>
P1699 Engine Torque Control Cut Signal
Circuit Malfunction (High Input)
with Diagnostic Trouble Code (DTC).>
P1700 Throttle Position Sensor Circuit Mal-
function For AT
P1711 Engine Torque Control Signal #1 Cir-
cuit Malfunction
Trouble Code (DTC).>
P1712 Engine Torque Control Signal #2 Cir-
cuit Malfunction
Trouble Code (DTC).> DTC Item NOTE
Page 1284 of 2870
EN(H4SO)-186
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK TRANSMISSION TYPE.Is the transmission type AT? Go to step 2.Go to step 3.
2 CHECK DTC P0720 ON DISPLAY.Does the Subaru Select Moni-
tor or OBD-II general scan tool
indicate DTC P0720?Check front vehi-
cle speed sensor
signal circuit.
DTC 33 FRONT
VEHICLE SPEED
SENSOR, Diag-
nostic Procedure
with Diagnostic
Trouble Code
(DTC).>Go to step 3.
3 CHECK SPEEDOMETER OPERATION IN
COMBINATION METER.Does speedometer operate
normally?Go to step 4.Check speedome-
ter and vehicle
speed sensor.
Speed Sensor.>
Speed Sensor.>
Turbine Speed
Sensor.>
4 CHECK HARNESS BETWEEN ECM AND
COMBINATION METER CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from the combi-
nation meter.
3) Measure the resistance between ECM and
combination meter connector.
Connector & terminal
(B137) No. 10 — (i10) No. 12:Is the resistance less than 10
Ω?Repair the poor
contact in ECM
connector.Repair harness
and connector.
NOTE:
In this case repair
the following:
Open circuit in
harness between
ECM and combi-
nation meter con-
nector
Poor contact in
ECM connector.
Poor contact in
combination meter
connector
Poor contact in
coupling connector
Page 1304 of 2870
EN(H4SO)-206
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BF:DTC P0703 TORQUE CONVERTER/BRAKE SWITCH “B” CIRCUIT
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
WIRING DIAGRAM:
EN-02398
BATTERY
B65
34
12
TO STOP LIGHTS
SBF-1SBF-2No.16
B65 BRAKE
LIGHT
SWITCH
2
3
B64 BRAKE
LIGHT
SWITCH
1
B64
12
B55
B55
12
TCM
2
1
2
2
1
2
1: WITH CRUISE CONTROL
: WITHOUT CRUISE CONTROL
12
789 56 3410 11 12
19 20 2113 14 15 16 17 18
22
23
24
Page 1307 of 2870
EN(H4SO)-209
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BJ:DTC P0734 GEAR 4 INCORRECT RATIO
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Shift point too high or too low.
Engine brake not effected in 3rd range.
Excessive shift shock.
Excessive tight corner braking.
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
Step Check Yes No
1 CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Inspect the rele-
vant DTC using
“List of Diagnostic
Trouble Code
(DTC)”.
of Diagnostic Trou-
ble Code (DTC).>Go to step 2.
2 CHECK THROTTLE POSITION SENSOR
CIRCUIT.
Check the throttle position sensor circuit.
TION SENSOR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>Is there any trouble in throttle
position sensor circuit?Repair or replace
the throttle posi-
tion sensor circuit.Go to step 3.
3 CHECK FRONT VEHICLE SPEED SENSOR
CIRCUIT.
Check front vehicle speed sensor circuit.
SPEED SENSOR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>Is there any trouble in front
vehicle speed sensor circuit?Repair or replace
the front vehicle
speed sensor cir-
cuit.Go to step 4.
4 CHECK TORQUE CONVERTER TURBINE
SPEED SENSOR CIRCUIT.
Check torque converter turbine speed sensor
circuit.
SENSOR, Diagnostic Procedure with Diagnos-
tic Trouble Code (DTC).>Is there any trouble in torque
converter turbine speed sensor
circuit?Repair or replace
the torque con-
ver ter turbine
speed sensor cir-
cuit.Go to step 5.
5 CHECK POOR CONTACT.
Check poor contact in TCM connector.Is there poor contact in TCM
connector?Repair poor con-
tact in TCM con-
nector.Go to step 6.
6 CHECK MECHANICAL TROUBLE.
Check mechanical trouble in automatic trans-
mission.Is there any mechanical trou-
ble in automatic transmission?Repair or replace
the automatic
transmission.
Road Test.>Replace the TCM.
trol Module
(TCM).>
Page 1308 of 2870
EN(H4SO)-210
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BK:DTC P0741 TORQUE CONVERTER CLUTCH CIRCUIT PERFORMANCE OR
STUCK OFF
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
No lock-up (after engine warm-up)
No shift or excessive tight corner “braking”
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
Step Check Yes No
1 CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Inspect the rele-
vant DTC using
“List of Diagnostic
Trouble Code
(DTC)”.
of Diagnostic Trou-
ble Code (DTC).>Go to step 2.
2 CHECK LOCK-UP DUTY SOLENOID CIR-
CUIT.
Check lock-up duty solenoid circuit.
SOLENOID, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>Is there any trouble in lock-up
duty solenoid circuit?Repair or replace
the lock-up duty
solenoid circuit.Go to step 3.
3 CHECK THROTTLE POSITION SENSOR
CIRCUIT.
Check the throttle position sensor circuit.
TION SENSOR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>Is there any trouble in throttle
position sensor circuit?Repair or replace
the throttle posi-
tion sensor circuit.Go to step 4.
4 CHECK TORQUE CONVERTER TURBINE
SPEED SENSOR CIRCUIT.
Check torque converter turbine speed sensor
circuit.
SENSOR, Diagnostic Procedure with Diagnos-
tic Trouble Code (DTC).>Is there any trouble in torque
converter turbine speed sensor
circuit?Repair or replace
the torque con-
ver ter turbine
speed sensor cir-
cuit.Go to step 5.
5 CHECK ENGINE SPEED INPUT CIRCUIT.
Check engine speed input circuit.
NAL, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>Is there any trouble in engine
speed input circuit?Repair or replace
the engine speed
input circuit.Go to step 6.
6 CHECK INHIBITOR SWITCH CIRCUIT.
Check inhibitor switch circuit.
Diagnostic Procedure without Diagnostic Trou-
ble Code (DTC).>Is there any trouble in inhibitor
switch circuit?Repair or replace
the inhibitor switch
circuit.Go to step 7.
7 CHECK BRAKE LIGHT SWITCH CIRCUIT.
Check brake light switch circuit.
Diagnostic Procedure without Diagnostic Trou-
ble Code (DTC).>Is there any trouble in brake
light switch circuit?Repair or replace
the brake light
switch circuit.Go to step 8.