abs SUBARU TRIBECA 2009 1.G Service Workshop Manual

EN(H6DO)(diag)-24
General Scan Tool
ENGINE (DIAGNOSTICS)
3. MODE $02 (POWERTRAIN FREEZE FRAME DATA)
Refer to data denoting the operating condition when trouble is detected by on-board diagnosis system.
A list of the support data and PID (Parameter Identification) codes are shown in the following table.
NOTE:
Refer to general scan tool manufacturer’s operation manual to access freeze frame data (MODE $02).
4. MODE $03 (EMISSION-RELATED POWERTRAIN DTC)
Refer to “List of Diagnostic Trouble Code (DTC)” for information about data denoting emission-related pow-
ertrain DTC. <Ref. to EN(H6DO)(diag)-69, List of Diagnostic Trouble Code (DTC).>
5. MODE $04 (CLEAR/RESET EMISSION-RELATED DIAGNOSTIC INFORMATION)
Refer to the mode used to clear or reset emission-related diagnostic information (OBD-II trouble diagnostic
information).
NOTE:
Refer to general scan tool manufacturer's operation manual to clear or reset emission-related diagnostic in-
formation (MODE $04).
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 (Bank 1)%
07 Long term fuel trim (Bank 1)%
08 Short term fuel trim (Bank 2)%
09 Long term fuel trim (Bank 2)%
0B Intake manifold absolute pressure kPa
0C Engine speedrpm
0D Vehicle speedkm/h
0E Ignition timing advance°
0F Intake air temperature°C
10 Air flow rate of manifold absolute pressure sensor g/sec
11 Throttle valve opening angle%
15 Oxygen sensor output voltage (Bank 1 Sensor 2) V
15 Oxygen sensor compensation (Bank 1 Sensor 2) %
16 Oxygen sensor output voltage (Bank 2 Sensor 2) V
16 Oxygen sensor compensation (Bank 2 Sensor 2) %
1C On-board diagnostic system—

EN(H6DO)(diag)-27
Subaru Select Monitor
ENGINE (DIAGNOSTICS)
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 has been displayed.
4) On the «Engine Diagnosis» display 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, 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 Note (at idling)
Engine load Engine load % 3.5%
Engine coolant temperature signal Coolant Temp. °C or °F≥ 75°C or 167°F (After
engine is warmed-up.)
A/F compensation 1 A/F Compensation 1 % 3.1%
A/F learning 1 A/F learning 1 % 0.0%
A/F compensation 2 A/F Compensation 2 % 4.7%
A/F learning 2 A/F learning 2 % 0.0%
Intake manifold absolute pressure Mani. Absolute PressuremmHg, kPa,
inHg or psig
200 — 300 mmHg, 26.7 —
40 kPa, 7.8 — 11.8 inHg or
3.8 — 5.8 psig
Engine speed signal Engine speed rpm 600 — 800 rpm
Meter vehicle speed signal Meter vehicle speed km/h or MPH 0 km/h or 0 MPH
Ignition timing signal Ignition timing deg 13 — 15 deg
Intake air temperature signal Intake air temperature °C or °F (Ambient air temperature)
Amount of intake air Mass Air Flow g/s or lb/m 3.8 g/s or 0.5 lb/m
Throttle opening angle signal Throttle valve angle % 1.2 — 1.6%
Fr o nt ox yg e n se n so r vo lt a g e val ue 1Fr o n t oxy ge n s en s or vol t ag e
value 1V0.035 V
Fr o nt ox yg e n se n so r vo lt a g e val ue 2Fr o n t oxy ge n s en s or vol t ag e
value 2V0.020 V
Battery voltage Battery Voltage V 12 — 14 V
Mass air flow voltage Mass air flow voltage V 1.1 — 1.2 V
Injection 1 pulse width Injection 1 pulse width ms 2.82 ms
Injection 2 pulse width Injection 2 pulse width ms 2.82 ms
Knock sensor compensation Knock correction deg 0 deg
Atmospheric pressure signal Atmospheric pressuremmHg, kPa,
inHg or psig(Atmospheric pressure)
Intake manifold relative pressureIntake manifold relative pres-
sure
mmHg, kPa,
inHg or psig
(Intake manifold absolute
pressure — atmospheric
pressure)
Acceleration opening angle signal Acceleration opening angle % 0%
Radiator fan output Radiator fan output % 0%
Purge control solenoid valve duty ratio CPC Duty % 0 — 3%
Generator duty ALT duty % 0%
Fuel pump duty Fuel pump duty % 33%
Va r i a b l e va l v e t i m i n g a d v a n c e a n g l e a m o u n t R V V T a d va n c e a n g l e a m o u n t R d e g 0 d e g
Va r i a b l e va l v e t i m i n g a d v a n c e a n g l e a m o u n t L V V T a d va n c e a n g l e a m o u n t L d e g 0 d e g
Oil flow control solenoid valve duty R OCV duty R % 9.4%
Oil flow control solenoid valve duty L OCV duty L % 9.4%
Oil flow control solenoid valve current R OCV current R mA 64 mA
Oil flow control solenoid valve current L OCV current L mA 64 mA
Fr o nt ox yg e n ( A / F) s en so r cu r r en t va l ue 1 A / F s en s or cu r r e nt va l ue 1 mA 0 . 0 m A
Fr o nt ox yg e n ( A / F) s en so r cu r r en t va l ue 2 A / F s en s or cu r r e nt va l ue 2 mA 0 . 0 m A
Fr o nt ox yg e n ( A / F) s en so r r es is t an ce val ue 1 A / F s en s or r e si st a nc e val u e 1Ω31 Ω

EN(H6DO)(diag)-30
Subaru Select Monitor
ENGINE (DIAGNOSTICS)
NOTE:
For detailed operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.
Intake manifold absolute pressure Mani. Absolute Pressure mmHg, kPa, inHg or psig
Engine speed Engine speed rpm
Ve h i c l e s p e e d Ve h i c l e s p e e d k m / h o r M P H
Ignition timing #1 Ignition timing adv.#1 °
Intake air temperature Intake Air Temp. °C or °F
Amount of intake air Mass Air Flow g/s or lb/m
Throttle valve angle Throttle Opening Angle %
Oxygen sensor #12 Oxygen sensor #12 V
A/F compensation #12 Short term fuel trim #12 %
Oxygen sensor #22 Oxygen sensor #22 %
A/F compensation #22 Short term fuel trim #22 %
OBD system OBD System —
Oxygen sensor #11 Oxygen sensor #11 support
Oxygen sensor #12 Oxygen sensor #12 support
Oxygen sensor #21 Oxygen sensor #21 support
Oxygen sensor #22 Oxygen sensor #22 support
A/F sensor #11 A/F sensor #11 —
A/F sensor #11 A/F sensor #11 V
A/F sensor #21 A/F sensor #21 —
A/F sensor #21 A/F sensor #21 V
A/F sensor #11 A/F sensor #11 —
A/F sensor #11 A/F sensor #11 mA
A/F sensor #21 A/F sensor #21 —
A/F sensor #21 A/F sensor #21 mA
Description Display Unit of measure

EN(H6DO)(diag)-31
Subaru Select Monitor
ENGINE (DIAGNOSTICS)
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] 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 has been displayed.
4) On the «Engine Diagnosis» display screen, select the {OBD System} and press the [YES] key.
5) On the «OBD Menu» display screen, select the {Freeze Frame Data} and press the [YES] key.
•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
DTC of freeze frame data Freeze frame data DTC
Air fuel ratio control system for bank 1 Fuel system for Bank1 —
Air fuel ratio control system for bank 2 Fuel system for Bank2 —
Engine load data Engine Load %
Engine coolant temperature signal Coolant Temp. °C or °F
Short term fuel trim by front oxygen (A/F) sensor (Bank 1) Short term fuel trim B1 %
Long term fuel trim by front oxygen (A/F) sensor (Bank 1) Long term fuel trim B1 %
Short term fuel trim by front oxygen (A/F) sensor (Bank 2) Short term fuel trim B2 %
Long term fuel trim by front oxygen (A/F) sensor (Bank 2) Long term fuel trim B2 %
Intake manifold absolute pressure signal Mani. Absolute Pressure mmHg, kPa, inHg or psig
Engine speed signal Engine Speed rpm
Ve h i c l e s p e e d s i g n a l Ve h i c l e S p e e d k m / h o r M P H
Ignition timing #1 Ignition timing adv. #1 °
Intake air temperature Intake Air Temp. °C
Amount of intake air Mass Air Flow g/s
Throttle valve angle Throttle Opening Angle %
Oxygen sensor #12 Oxygen sensor #12 V
A/F compensation #12 Short term fuel trim #12 %
Oxygen sensor #22 Oxygen sensor #22 V
A/F compensation #12 Short term fuel trim #22 %
Oxygen sensor #11 Oxygen sensor #11 support
Oxygen sensor #12 Oxygen sensor #12 support
Oxygen sensor #21 Oxygen sensor #21 support
Oxygen sensor #22 Oxygen sensor #22 support

EN(H6DO)(diag)-35
Inspection Mode
ENGINE (DIAGNOSTICS)
11.Inspection Mode
A: PROCEDURE
When performing the diagnosis not listed in “List of Diagnostic Trouble Code (DTC)”, refer the item on the
drive cycle. <Ref. to EN(H6DO)(diag)-40, Drive Cycle.>
DTC Item On condition
P0011 Intake Camshaft Position Timing - Over-Advanced (Bank 1) —
P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1) —
P0018 Crankshaft Position - Camshaft Position Correlation (Bank 2) —
P0021 Intake Camshaft Position Timing - Over-Advanced (Bank 2) —
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) —
P0051 HO2S Heater Control Circuit Low (Bank 2 Sensor 1) —
P0052 HO2S Heater Control Circuit High (Bank 2 Sensor 1) —
P0057 HO2S Heater Control Circuit Low (Bank 2 Sensor 2) —
P0058 HO2S Heater Control Circuit High (Bank 2 Sensor 2) —
P0077 Intake Valve Control Circuit High (Bank 1) —
P0083 Intake Valve Control Circuit High (Bank 2) —
P0102 Mass or Volume Air Flow Circuit Low Input —
P0103 Mass or Volume Air Flow Circuit High Input —
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 —
P0131 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) —
P0132 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) —
P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) —
P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) —
P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) —
P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) —
P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) —
P0157 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2) —
P0158 O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) —
P0160 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2) —
P0182 Fuel Temperature Sensor “A” Circuit Low Input —
P0183 Fuel Temperature Sensor “A” Circuit High Input —
P0197 Engine Oil Temperature Sensor Circuit Low —
P0198 Engine Oil Temperature Sensor Circuit High —
P0222 Throttle/Pedal Position Sensor/Switch “B” Circuit Low Input —
P0223 Throttle/Pedal Position Sensor/Switch “B” Circuit High Input —
P0230 Fuel Pump Primary Circuit —
P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) —
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) —
P0332 Knock Sensor 2 Circuit Low Input (Bank 2) —
P0333 Knock Sensor 2 Circuit High Input (Bank 2) —
P0335 Crankshaft Position Sensor “A” Circuit —
P0336 Crankshaft Position Sensor “A” Circuit Range/Performance —

EN(H6DO)(diag)-38
Inspection Mode
ENGINE (DIAGNOSTICS)
7) Connect the Subaru Select Monitor to the data
link connector at the lower portion of instrument
panel (on the driver's side).
CAUTION:
Do not connect any scan tools except Subaru
Select Monitor or general scan tool.
8) Turn the ignition switch to ON (engine OFF) and
Subaru Select Monitor switch to ON.
9) On the «Main Menu» display screen, select the
{Each System Check} and press the [YES] key.
10) On the «System Selection Menu» display
screen, select the {Engine} and press the [YES]
key.
11) Press the [YES] key after the information of en-
gine type has been displayed.
12) On the «Engine Diagnosis» display screen, se-
lect the {D Check} and press the [YES] key.
13) When the “Perform D Check?” is shown on the
screen, press the [YES] key.
14) Perform subsequent procedures as instructed
on the display screen.
•If trouble still remains in the memory, the corre-
sponding DTC appears on the display screen.
NOTE:
•For detailed operation procedure, refer to the
“SUBARU SELECT MONITOR OPERATION
MANUAL”.
•For details concerning DTC, refer to “List of Di-
agnostic Trouble Code (DTC)”.
<Ref. to EN(H6DO)(diag)-69, List of Diagnostic
Trouble Code (DTC).>
•Release the parking brake.
•The speed difference between front and rear
wheels may light the ABS warning light, but this
indicates no malfunctions. When engine control
diagnosis is finished, perform the ABS memory
clearance procedure of self-diagnosis function.
3. GENERAL SCAN TOOL
1) After performing the diagnostics and clearing the
memory, check for any remaining unresolved trou-
ble data. <Ref. to EN(H6DO)(diag)-45, Clear Mem-
ory Mode.>
2) Idle the engine.
3) Connect the test mode connector (A) located un-
der the glove box.
4) Connect the Subaru Select Monitor to the data
link connector at the lower portion of instrument
panel (on the driver’s side).
CAUTION:
Do not connect any scan tools except Subaru
Select Monitor or general scan tool.
(A) Power switch
EN-03693
(A)
EN-00040
EN-03694
(4)
EN-03693

EN(H6DO)(diag)-39
Inspection Mode
ENGINE (DIAGNOSTICS)
5) Start the engine.
NOTE:
Make sure the select lever is placed in “P” position
before starting.
6) Using the select lever, turn the “P” position
switch and the “N” position switch to ON.
7) Depress the brake pedal to turn brake switch
ON.
8) Keep the engine speed in 2,500 — 3,000 rpm
range for 40 seconds.
9) Shift the select lever in the “D” range and drive
the vehicle at 5 to 10 km/h (3 to 6 MPH).
NOTE:
•For AWD model, release the parking brake.
•The speed difference between front and rear
wheels may light the ABS warning light, but this in-
dicates no malfunctions. When engine control diag-
nosis is finished, perform the ABS memory
clearance procedure of self-diagnosis system.
10) Using the general scan tool, check DTC and
record the result(s).
NOTE:
•For detailed operation procedure, refer to the
general scan tool operation manual.
•For details concerning DTC, refer to “List of Diag-
nostic Trouble Code (DTC)”.
<Ref. to EN(H6DO)(diag)-69, List of Diagnostic
Trouble Code (DTC).>

EN(H6DO)(diag)-70
List of Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
P0077 Intake Valve Control Circuit High
(Bank 1)
<Ref. to EN(H6DO)(diag)-123, DTC P0077 INTAKE VALVE CONTROL CIR-
CUIT HIGH (BANK 1), Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P0082 Intake Valve Control Circuit Low
(Bank 2)
<Ref. to EN(H6DO)(diag)-125, DTC P0082 INTAKE VALVE CONTROL CIR-
CUIT LOW (BANK 2), Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P0083 Intake Valve Control Circuit High
(Bank 2)
<Ref. to EN(H6DO)(diag)-127, DTC P0083 INTAKE VALVE CONTROL CIR-
CUIT HIGH (BANK 2), Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P0101 Mass or Volume Air Flow Circuit
Range/Performance
<Ref. to EN(H6DO)(diag)-129, DTC P0101 MASS OR VOLUME AIR FLOW
CIRCUIT RANGE/PERFORMANCE, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0102 Mass or Volume Air Flow Circuit Low
Input
<Ref. to EN(H6DO)(diag)-131, DTC P0102 MASS OR VOLUME AIR FLOW
CIRCUIT LOW INPUT, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P0103 Mass or Volume Air Flow Circuit High
Input
<Ref. to EN(H6DO)(diag)-134, DTC P0103 MASS OR VOLUME AIR FLOW
CIRCUIT HIGH INPUT, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P0107 Manifold Absolute Pressure/Baro-
metric Pressure Circuit Low Input
<Ref. to EN(H6DO)(diag)-136, DTC P0107 MANIFOLD ABSOLUTE PRES-
SURE/BAROMETRIC PRESSURE CIRCUIT LOW INPUT, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
P0108 Manifold Absolute Pressure/Baro-
metric Pressure Circuit High Input
<Ref. to EN(H6DO)(diag)-139, DTC P0108 MANIFOLD ABSOLUTE PRES-
SURE/BAROMETRIC PRESSURE CIRCUIT HIGH INPUT, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
P0111 Intake Air Temperature Circuit
Range/Performance
<Ref. to EN(H6DO)(diag)-142, DTC P0111 INTAKE AIR TEMPERATURE
CIRCUIT RANGE/PERFORMANCE, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0112 Intake Air Temperature Circuit Low
Input
<Ref. to EN(H6DO)(diag)-144, DTC P0112 INTAKE AIR TEMPERATURE
CIRCUIT LOW INPUT, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P0113 Intake Air Temperature Circuit High
Input
<Ref. to EN(H6DO)(diag)-146, DTC P0113 INTAKE AIR TEMPERATURE
CIRCUIT HIGH INPUT, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P0117 Engine Coolant Temperature Circuit
Low Input
<Ref. to EN(H6DO)(diag)-149, DTC P0117 ENGINE COOLANT TEMPERA-
TURE CIRCUIT LOW INPUT, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P0118 Engine Coolant Temperature Circuit
High Input
<Ref. to EN(H6DO)(diag)-151, DTC P0118 ENGINE COOLANT TEMPERA-
TURE CIRCUIT HIGH INPUT, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P0122 Throttle/Pedal Position Sensor/
Switch “A” Circuit Low Input
<Ref. to EN(H6DO)(diag)-154, DTC P0122 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “A” CIRCUIT LOW INPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0123 Throttle/Pedal Position Sensor/
Switch “A” Circuit High Input
<Ref. to EN(H6DO)(diag)-157, DTC P0123 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “A” CIRCUIT HIGH INPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0125 Insufficient Coolant Temperature For
Closed Loop Fuel Control
<Ref. to EN(H6DO)(diag)-160, DTC P0125 INSUFFICIENT COOLANT
TEMPERATURE FOR CLOSED LOOP FUEL CONTROL, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
P0126 Insufficient Coolant Temperature for
Stable Operation
<Ref. to EN(H6DO)(diag)-161, DTC P0126 INSUFFICIENT COOLANT
TEMPERATURE FOR STABLE OPERATION, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0128 Coolant Thermostat (Coolant Tem-
perature Below Thermostat Regulat-
ing Temperature)
<Ref. to EN(H6DO)(diag)-163, DTC P0128 COOLANT THERMOSTAT
(COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEM-
PERATURE), Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P0131 O2 Sensor Circuit Low Voltage (Bank
1 Sensor 1)
<Ref. to EN(H6DO)(diag)-164, DTC P0131 O2 SENSOR CIRCUIT LOW
VOLTAGE (BANK 1 SENSOR 1), D iagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
DTC Item Reference

EN(H6DO)(diag)-119
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Q: DTC P0068 MAP/MAF - THROTTLE POSITION CORRELATION
DTC DETECTING CONDITION:
•Detected when two consecutive driving cycles with fault occur.
•GENERAL DESCRIPTION <Ref. to GD(H6DO)-26, DTC P0068 MAP/MAF - THROTTLE POSITION
CORRELATION, Diagnostic Trouble Code (DTC) Detecting Criteria.>
TROUBLE SYMPTOM:
Failure of engine to start
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode <Ref. to EN(H6DO)(diag)-45,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6DO)(diag)-35, PROCEDURE,
Inspection Mode.>.
WIRING DIAGRAM:
EN-03657
29619
MANIFOLD ABSOLUTEPRESSURE SENSOR
19207B21
E2
132E28
ECMB134
B21
123412131415567816171819910 1120212223 24 25 2627 28 29 3031 32 33
3534 37363938 41404342 4445 47464948 51505352 54
651E77
E76
E28
123
E77
134562
B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34

EN(H6DO)(diag)-120
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK IDLE SWITCH SIGNAL.
1) Turn the ignition switch to ON.
2) Operate the LED operation mode for
engine using Subaru Select Monitor.
NOTE:•Subaru Select Monitor
For detailed operation procedure, refer to the
“LED OPERATION MODE FOR ENGINE.”
<Ref. to EN(H6DO)(diag)-26, Subaru Select
Monitor.>
Does the LED of {Idle Switch
Signal} come on?
Go to step 2.Check the throttle
position sensor cir-
cuit. <Ref. to
EN(H6DO)(diag)-
382, DTC P2135
THROTTLE/
PEDAL POSI-
TION SENSOR/
SWITCH “A”/“B”
VOLTAGE RATIO-
NALITY, Diagnos-
tic Procedure with
Diagnostic Trou-
ble Code (DTC).>
NOTE:
In this case, it is
not necessary to
inspect DTC
P0106.
2CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check the relative
DTC.“List of Diag-
nostic Trouble
Code (DTC)” <Ref.
to
EN(H6DO)(diag)-
69, List of Diag-
nostic Trouble
Code (DTC).>
NOTE:
In this case, it is
not necessary to
inspect DTC
P0106.
Go to step 3.
3CHECK CONDITION OF MANIFOLD ABSO-
LUTE PRESSURE SENSOR.
Is the manifold absolute pres-
sure sensor installation bolt
tightened securely?
Go to step 4.Securely tighten
the manifold abso-
lute pressure sen-
sor installation
bolt.
4CHECK CONDITION OF THROTTLE BODY.Is the throttle body installation
bolt tightened securely?
Replace the mani-
fold absolute pres-
sure sensor. <Ref.
to FU(H6DO)-22,
Manifold Absolute
Pressure Sensor.>
Tighten the throttle
body installation
bolt securely.