AC(diag)-4
General Description
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
4. CONTROL SWITCHES
Start the engine and warm-up completely.
1) Inspection using switches
2) Compressor operation inspection
3) Inspection of illumination control
No. Point to check Switch operation Judgment standard
1OFF switch Press the OFF switch.
Setting temperature display goes out.
•Blower fan: OFF
•Inlet opening: FRESH
•Compressor: OFF
2
AU TO sw it c h, d r iver ’s
side temperature con-
trol dial and passen-
ger’s side temperature
control dial
1) Press the AUTO switch.
2) Turn the temperature control dial to the left
fully, and set to 18°C (65°F) (maximum cool posi-
tion).
AU TO di sp l ay i l lu mi n at e s.
•Outlet air temperature: COOL
•Blower fan: HI (AUTO)
•Outlet opening: FACE
•Inlet opening: AUTO
•Compressor: AUTO
3) Turn the temperature control dial to the right
slowly, and change the setting from 18°C (64°F)
(maximum cool position) to 32°C (85°F).
•Outlet air temperature: COOL → HOT
•Blower fan: AUTO
•Outlet opening: FACE → B/L → FOOTHEAT
•Inlet opening: AUTO
•Compressor: AUTO
4) Turn the temperature control dial to the right
fully, and set to 32°C (85°F) (maximum hot posi-
tion).
•Outlet air temperature: HOT
•Blower fan: HI (AUTO)
•Outlet opening: HEAT
•Inlet opening: FRESH (AUTO)
•Compressor: AUTO
3Defroster switch Press the defroster switch.
Defroster switch indicator illuminates.
•Outlet air temperature: AUTO
•Blower fan: AUTO
•Outlet opening: DEF
•Inlet opening: FRESH
•Compressor: ON
4FRESH/RECIRC
switchPress the FRESH/RECIRC switch.
Inlet opening switches RECIRC → FRESH or
FRESH → RECIRC each time pressing the
switch.
5MODE switch Press the MODE switch.Outlet opening switches FACE → B / L → HEAT
→ D/H each time pressing the switch.
6FAN switch Turn the FAN switch.
Blower fan switches OFF → LO → M1 → M2
→ M3 → M4 → HI each time turning the
switch and it switches in reverse order when
turned backward.
No. Point to check Switch operation Judgment standard
1Compressor1) Turn the A/C switch to ON.
2) Set the FAN switch between LO and HI.Compressor: ON
No. Point to check Switch operation Judgment standard
1Illumination Turn the lighting switch to ON. Illumination comes on.
AC(diag)-39
Diagnostics with Phenomenon
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
9. Diagnostics with Phenomenon
A: INSPECTION
Symptom Problem parts
A/C system fails to operate.
•Fuse (M/B No. 15, F/B No. 7, 22, 31)
•Connector (Poor contact)
•Ground
•Auto A/C control module
•Blower fan motor
•Blower fan relay
•A/C relay
•Compressor (Magnet clutch)
•Evaporator sensor
Fuse is blown out.•Fuse (M/B No. 8, F/B No. 22, 31)
•Connector (Poor contact)
Illumination cannot dim.
•Fuse (M/B No. 8, F/B No. 22, 31)
•Connector (Poor contact)
•Illumination control switch
•Auto A/C control module
•Body integrated unit
Blower fan does not rotate or fan speed cannot be controlled.
•Fuse (F/B No. 22, 27, 28)
•Connector (Poor contact)
•Ground
•Auto A/C control module
•Blower fan motor
•Blower fan relay
•Power transistor or blower resistor
Unable to switch suction vents.
•Connector (Poor contact)
•Auto A/C control module
•Intake door actuator
Unable to switch blow vents.
•Connector (Poor contact)
•Auto A/C control module
•Mode door actuator
The compar tment temperature does not rise. (Warm air not
emitted.)
•Connector (Poor contact)
•Auto A/C control module
•Air mix door actuator
•In-vehicle sensor, ambient sensor, evaporator sensor and
sunload sensor
•In-vehicle sensor aspirator hose
•Aspirator body
The compar tment temperature does not lower. (Cold air not
emitted.)
•Connector (Poor contact)
•Auto A/C control module
•Air mix door actuator
•A/C relay
•Compressor (Magnet clutch)
•Radiator fan motor
•Radiator fan relay
•In-vehicle sensor, ambient sensor, evaporator sensor and
sunload sensor
•In-vehicle sensor aspirator hose
•Aspirator body
Compartment temperature is higher or lower than setting tem-
perature.
•Auto A/C control module
•Air mix door actuator
•In-vehicle sensor, ambient sensor, evaporator sensor and
sunload sensor
•In-vehicle sensor aspirator hose
•Aspirator body
LAN(diag)-22
Subaru Select Monitor
LAN SYSTEM (DIAGNOSTICS)
9. FUNCTION SETTING (ECM CUSTOMIZING)
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 {Integ. Unit mode} and press the [YES] key.
3) On the «Integ. Unit mode failure diag» display screen, select the {ECM customizing} and press the [YES] key.
4) Change the setting with UP/DOWN key and press the [YES] key.
•List of function setting item (ECM customizing)
NOTE:
Even if changes are made to items that are not equipped, the contents are not confirmed and do not operate.
DataInitial set-
ting value
Customize
settingRemarksDestination
Specifications
Off delay time Normal
Delay time below can be selected by setting.
After door closed After key unlock
OFF 0 sec. 0 sec.
Short 3 sec. 10 sec.
Normal 5 sec. 20 sec.
Long 8 sec. 30 sec.
Auto lock time 30 sec.0 — 60
sec.
Workable when Auto locking is set to “ON” and Automatic
locking setup is “ON”. Time can be changed by 10 sec-
onds: 0 (OFF) — 60 (maximum).
Not supported by North
American specifications
Rr defogger op.
mode15 min.
15 min.Rear defogger stops in 15 minutes automatically after
switch is turned to ON.
ContinuousRear defogger repeats active condition for 15 minutes and
inactive condition for 2 minutes until switch is turned to OFF.
Wiper deicer op.
mode15 min.
15 min.Wiper deicer stops in 15 minutes automatically after
switch is turned to ON.
ContinuousWiper deicer repeats active condition for 15 minutes and
inactive condition for 2 minutes until switch is turned to OFF.
Security Alarm
SetupONON Security alarm (hazard, horn or siren) in active condition
OFF Security alarm in inactive condition
Impact Sensor
SetupOFF
ONWorkable when Impact Sensor Setup is set to “ON”
Impact sensor in active condition
OFFImpact sensor in inactive condition (Set Impact Sensor
Setup of model without impact sensor to “OFF”.)
Alarm monitor
delay settingON
After doors are locked by keyless entry system operated,
Alarm monitor starts in following time.
ON Delay time is 30 seconds.
OFF Delay time is 0 seconds.
Lockout preven-
tionONONLockout prevention in inactive condition (Lockout preven-
tion does not operate if safety knob is locked by hand.)
OFF Lockout prevention in inactive condition
Impact Sensor OFFON
Ve h i c l e i s c o n t r o l l e d i n i m p a c t s e n s o r e q u i p p e d m o d e .
(Set impact sensor to “OFF” in model without impact sen-
sor. If impact sensor is set to “ON”, hazard, horn or siren
operate after doors are locked by keyless entry system
operated (Alarm monitor starting).
Set to “ON” when an
optional impact sensor
is installed.
OFF Vehicle is controlled in impact sensor no-equipped mode.
Siren setting OFFON
Siren sounds when alarm operates. (Set siren setting to
“OFF” in model without siren. Horn does not sound if siren
setting is set to “ON”.)
Set to “ON” when an
optional siren is
installed.OFF Horn sounds when alarm operates.
Answer-back
buzzer setupON
ON
Workable when answer-back buzzer setup is set to “ON”.
When lock/unlock is selected by keyless entry system
operated, hazard answer-back buzzer operates.
OFFWhen lock/unlock is selected by keyless entry system
operated, answer-back buzzer does not sound.
LAN(diag)-23
Subaru Select Monitor
LAN SYSTEM (DIAGNOSTICS)
5) After setting, make sure that vehicle equipment is same as the setting changed in the {Current Data Dis-
play & Save}.
CAUTION:
•It is possible to control the original functions of vehicle when settings above are corresponded to
vehicle equipment.
•Do not change the settings except for setting above during operation of equipment setting.
•Be sure not to change Factory initial setting except installation of new body integrated unit.
NOTE:
For details concerning operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.
Hazard answer-
back setupON
ON
Workable when hazard answer-back setup is set to “ON.”
When lock/unlock is selected by keyless entry system
operated, hazard answer-back buzzer operates.
OFFWhen lock/unlock is selected by keyless entry system
operated, hazard answer-back does not operate.
Automatic lock-
ing setupONONWorkable when Automatic locking setup is set to “ON”
Automatic locking operates.Not supported by North
American specificationsOFF Automatic locking does not operate.
Ans.-back
BuzzerON
ONVe h i c l e i s c o n t r o l l e d i n a n sw e r - b a c k b u z z e r e q u i p p e d
mode.Not supported by North
American specificationsOFF
Ve h i c l e i s c o n t r o l l e d i n a n sw e r - b a c k b u z z e r n o n - e q u i p p e d
mode. (Set Ans.-back Buzzer to “OFF” in model without
answer back buzzer.)
Auto locking ON
ON Vehicle is controlled in auto locking equipped mode.Not supported by North
American specificationsOFFVe h i c l e i s c o n t r o l l e d i n a u t o l o c k i n g n o n - e q u i p p e d m o d e .
(Set Auto locking to “OFF” in model without auto locking.)
Initial Keyless
Setting—
——
Execution
Settings of keyless entry system are initialized. (Auto-lock
time: 30 sec., Answer-back buzzer setup: ON, Hazard
answer-back setup: ON, Automatic locking setup: ON,
Ans.-back Buzzer: ON)
Initial button set-
ting—
——
Execution
Settings of each function are initialized. (Off delay time:
Normal, Rr defogger op. mode: 15 min., Wiper deicer op.
mode: 15 min., Lockout prevention: ON)
Initial Security
setting—
——
Not supported by North
American specificationsExecution
Settings of security system are initialized. (Security Alarm
Setup: OFF, Impact Sensor Setup: OFF, Alarm monitor
delay setting: ON, Siren setting: OFF)
Passive Alar m
(Not used)OFFONWorkable when passive ar ming is set to “ON.”
OFF
Door open
warning (pre-
vention of bat-
tery run-out)
OFF
ON
If detecting door open for 30 minutes, room light, key illu-
mination and door warning light are turned off to prevent
battery run-out.
OFFRoom light, key illumination and door warning light is not
turned off.
Alarm inter-
locked room
light switch
OFF
ONThe room light lights by being interlocked with the activa-
tion of the alarm.
OFFRoom light does not illuminate even if the alarm is acti-
vated.
DataInitial set-
ting value
Customize
settingRemarksDestination
Specifications
LAN(diag)-72
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
V: DTC B0321 CAN-LS METER NO-RECEIVE DATA
DTC DETECTING CONDITION:
Combination meter unit error, or harness between the main harness splice and combination meter unit is
open or shorted, the connector is not connected properly and the terminal has poor caulking.
TROUBLE SYMPTOM:
Fail mode occurs because the data is not received from combination meter unit.
WIRING DIAGRAM:
LAN00192
TO POWER SUPPLY CIRCUITFB-10M/B FUSE NO.28 (P)
1
4
3
7
A9
A4
5
BODY INTEGRATED UNIT
ILLUMINATION & BACK-UPJOINT CONNECTOR
KEYLESS ENTRY CONTROL MODULE
i84
i99
i99
i96
E
i84i96i99
123456789101112131415161718192021222324252627282930313233343510 11 12349561728
12345678
Step Check Yes No
1CHECK COMMUNICATION LINE.
1) Warm up the engine.
2) Compare the data of body integrated unit
and combination meter using Subaru Select
Monitor.
Check item:
•Engine speed
•Shift range
Is the data displayed same? Go to step 2.Perform the self-
diagnosis of com-
bination meter.
SIS, INSPEC-
TION,
Combination
Meter System.>
SL-26
Security System
SECURITY AND LOCKS
4. Security System
A: WIRING DIAGRAM
B: ELECTRICAL SPECIFICATION
Description Terminal No. Measuring condition
Ignition switch A1 (INPUT) Battery voltage is present when ignition switch is turned ON.
Keyless entr y control module A9 (INPUT) Communication line (Cannot be measured because of digital signal)
Rear gate latch switch A17 (INPUT) 0 V is present when opening the rear gate.
Rear door switch RH A18 (INPUT) 0 V is present when opening the rear door RH.
Fr o nt d oo r swi tc h L H A 19 ( I NP UT ) 0 V i s pr e se n t wh e n o p en in g th e f r o n t d oo r L H.
Rear door switch LH A31 (INPUT) 0 V is present when opening the rear door LH.
Fr o nt d oo r swi tc h RH A 32 ( I NP UT ) 0 V i s pr e se n t wh e n o p en in g th e f r o n t d oo r RH.
Security indicator light A33 (INPUT) Battery voltage is present when the alarm operation is activated.
Horn relay B11 (OUTPUT) Battery voltage is present when the alarm operation is activated.
Tu r n s i g n a l & h a z a r d c i r c u i t B 1 2 ( O U T P U T ) B a t t e r y v o l t a g e i s p r e s e n t w h e n t h e a l a r m o p e r a t i o n i s a c t i v a t e d .
Ground B22 0 V is constantly present.
Pow er s up p ly C 2 B at t e r y vol t ag e i s c on s ta n tl y p r e se nt .
Impact sensor C5When not applying vibration to the impact sensor, it repeats displaying
the 0 V and battery voltage in every 45 milliseconds.
Ground C8 0 V is constantly present.
Ground C9 0 V is constantly present.
CS-00273
71928
61827
51741626152514241312231122
3102921
1820
B281side
72030
619291828
51741627152614132512241123
3102922
1821
B280side
82335
722342162033
51932183117301615291428
41327
312261121025
1924
i84side
BR-32
Air Bleeding
BRAKE
10) Check the pedal stroke.
Run the engine at idle after warming up the engine,
and depress the brake pedal with a force of 500 N
(51 kgf, 112 lb). Measure the distance between the
brake pedal and steering wheel. Release the pedal,
and measure the distance between pedal and
steering wheel again.
Specification of pedal stroke:
When depressing the pedal with a force of
500 N (51 kgf, 112 lb).
Less than 115 mm (4.53 in)
11) If the distance is more than specification, there
is a possibility of air being caught in the brake line.
Bleed the brake line of all air until the pedal stroke
meets the specification.
12) Operate the hydraulic control unit in the se-
quence control mode.
13) Check the pedal stroke again.
14) If the distance is more than specification, there
is a possibility of air being caught in the hydraulic
unit. Repeat above steps 2) to 9) until the pedal
stroke meets the specification.
15) Fill brake fluid up to the “MAX” level of the res-
ervoir tank.
16) Test run the vehicle and ensure that the brakes
operate normally.
(1) Steering wheel
(2) Toe board
(1)
(2)
BR-00094
1
2
21
VDC(diag)-31
Warning Light Illumination Pattern
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
F: VDC WARNING LIGHT AND TCS OFF INDICATOR LIGHT DO NOT GO OFF
DETECTING CONDITION:
•Defective combination meter
•Defective CAN communication
•Defective engine
•TCS OFF switch is shorted.
TROUBLE SYMPTOM:
When starting the engine, TCS OFF indicator light is kept ON.
NOTE:
When pressing the TCS OFF switch for more than 10 seconds, the TCS OFF indicator light goes off and can-
not operate any more. When turning the ignition switch from OFF to ON, the OFF operation enabled status
is restored.
Step Check Yes No
1READ DTC.
Read the DTC.
Is DTC displayed? Perform the diag-
nosis according to
DTC.
Go to step 2.
2CHECK ENGINE.Does the malfunction indicator
light illuminate?
Repair the engine. Go to step 3.
3CHECK ENGINE COOLANT TEMPERA-
TURE.
War m up the engine and check if VDC war ning
light and TCS OFF indicator light illumination
condition changes.
When the engine coolant tem-
perature is too low, VDC warn-
ing light and TCS OFF
indicator light illuminate. Do
the lights go off when the
engine is warmed-up?
Normal Go to step 4.
4CHECK TCS OFF SWITCH.
Remove and check TCS OFF switch.
Is TCS OFF switch normal? Go to step 5.Replace the TCS
OFF switch.
5CHECK LAN SYSTEM.
Perfor m the diagnosis for LAN system.
Tr o u b l e C o d e ( D T C ) . >
Is there any fault in LAN sys-
tem?
Pe r for m t h e d ia g -
nosis according to
DTC for LAN sys-
tem.
Go to step 6.
6CHECK COMBINATION METER.
Check the combination meter.
Is combination meter OK? Replace the
VDCCM&H/U.
Repair the combi-
nation meter.