clutch SUBARU TRIBECA 2009 1.G Service Workshop Manual

CC(ETC)(diag)-8
Subaru Select Monitor
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
6) Turn the Subaru Select Monitor switch to ON.
7) On the «Main Menu», select the {2. Each Sys-
tem Check} and press the [YES] key.
On the system selection display screen, select the
{Engine} and press the [YES] key. Press the [YES]
key after the information of engine type is dis-
played.
8) Drive vehicle at least 40 km/h (25 MPH) and set
the cruise control.
9) When the cruise speed is canceled by itself
(without any cancel operations), DTC will be dis-
played on the screen after selecting the {Check
Cancel Code} and pressing the [YES] key on the
engine malfunction diagnosis screen.
CAUTION:
•When performing diagnosis, observe the le-
gal speed limit on the road.
•DTC will be also displayed when cruise con-
trol is cancelled by driver. Do not confuse them.
•Get an assistant in the vehicle for help of di-
agnosis while driving.
NOTE:
DTC will be cleared by turning ignition switch or
cruise control main switch to OFF.
3. REAL-TIME DIAGNOSIS
1) Connect the Subaru Select Monitor.
2) Turn the ignition switch and cruise control main
switch to ON.
3) Turn the Subaru Select Monitor switch to ON.
4) On the «Main Menu», select the {2. Each Sys-
tem Check} and press the [YES] key.
5) On the «System Selection» display screen, se-
lect the {Engine} and press the [YES] key.
6) Press the [YES] key after the information of en-
gine type is displayed.
7) On the «Cruise Control Diagnosis» display
screen, select the {Current Data Display/Save},
and then press the [YES] key.
8) Make sure that normal display is shown when
operated as follows:
•Depress and release the brake pedal. (Stop light
switch and brake switch turn ON.)
•Turn the main switch to ON.
•Turn the «CANCEL» switch to ON.
•Turn the «SET/COAST» switch to ON.
•Turn the «RESUME/ACCEL» switch to ON.
•Depress or release the clutch pedal.
•Place the shift lever in any position other than
neutral.
NOTE:
•For details concerning operation procedure, re-
fer to the “SUBARU SELECT MONITOR OPERA-
TION MANUAL”.
•Refer to “List of Diagnostic Trouble Code (DTC)”
for DTC. nostic Trouble Code (DTC).>
(1) Power switch
CC-00045
(1)

AC-2
General Description
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
1. General Description
A: SPECIFICATION
1. HEATER SYSTEM
2. A/C SYSTEM
•Single A/C model (front only)
Item Specification Condition
Heating capacity5.2 kW (4,471 kcal/h, 17,743
BTU/h) or more
•Mode selector switch: HEAT
•Temperature control switch: FULL HOT
•Temperature difference between hot water and inlet
air: 65°C (149°F)
•Hot water flow rate: 360 2 (95.1 US gal, 79.2 Imp
gal)/h
Air flow rate340 m3 (11,301 cu ft)/hHeat mode (FRESH), FULL HOT at 12.5 V
Max air flow rate550 m3 (16,245 cu ft)/h
•Temperature control switch: FULL COLD
•Blower fan speed:
6th position
•Mode selector lever: RECIRC
Heater core size
(height × length × width)
264 × 110 × 27 mm
(10.4 × 4.33 × 1.06 in)—
Blower Motor
Ty p e B r u s h m o t o r 2 2 0 W o r l e s s 1 2 V
Fa n t y pe an d si ze
(diameter × width)
Sirocco fan type
165 ×75 mm (6.51 × 2.95 in)—
Item Specification
Ty p e o f a i r c o n d i t i o n e r R e h e a t a i r - m i x t y p e
Cooling capacity6.2 kW
(5,331 kcal/h, 21,154 BTU/h)
RefrigerantHFC-134a (CH2FCF3)
[0.87±0.03 kg (1.92±0.07 lb)]
Compressor
Ty p eInclined plate (SWASH PLATE), fixed capacity
(10SR17), Temperature fuse
Exhaust 177 cc (10.80 cu in)/rev
Max. permissible speed 6,000 rpm
Magnet clutch
Ty p e D r y, s i n g l e - d i s c t y p e
Powe r c on su mp t i on 35 W
Ty p e o f b e l t V- b e l t 6 P K
Pulley dia. (effective dia.) 115 mm (4.53 in)
Pulley ratio 1.16
Condenser
Ty p e C o r r u g a t e d f i n ( S u b c o o l t y p e )
Core face area0.29 m2 (3.122 sq ft)
Core thickness 16 mm (0.63 in)
Radiation area7.65 m2 (82.35 sq ft)
Receiver drier Effective inner capacity190 cm3 (11.6 cu in)
Expansion valve Type Box time (external pressure equalizing type)
Evaporator
Ty p e S i n g l e t a n k
Dimensions (W × H × T)293.1 × 211 × 38 mm
(11.54 × 8.31 × 1.50 in)
Blower fan
Fan t yp e S i r oc co fa n
Outer diameter× width 165 ×75 mm (6.50 × 2.95 in)
Powe r c on su mp t i on 2 60 W

AC-4
General Description
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
•Dual A/C model (Front A/C and Rear cooler)
Item Specification
Ty p e o f a i r c o n d i t i o n e rFr o nt Reh e at a ir - mi x t y pe
Rear Cooler
Cooling capacity7.2 kW
(5,331 kcal/h, 21,154 BTU/h)
RefrigerantHFC-134a (CH2FCF3)
[0.87±0.03 kg (1.92±0.07 lb)]
Compressor
Ty p eInclined plate (SWASH PLATE), fixed capacity
(10SR17), Temperature fuse
Exhaust 177 cc (10.80 cu in)/rev
Max. permissible speed 6,000 rpm
Magnet clutch
Ty p e D r y, s i n g l e - d i s c t y p e
Powe r c on su mp t i on 35 W
Ty p e o f b e l t V- b e l t 6 P K
Pulley dia. (effective dia.) 115 mm (3.7 in)
Pulley ratio 1.16
Condenser
Ty p e C o r r u g a t e d f i n ( S u b c o o l t y p e )
Core face area0.29 m2 (2.077 sq ft)
Core thickness 16 mm (0.63 in)
Radiation area7.65 m2 (61.57 sq ft)
Receiver drier Effective inner capacity 280 cc (17.1 cu in)
Expansion valveFront TypeBox time (external pressure equalizing type)Rear Type
Evaporator
Front Type Single tank
Dimensions (W × H × T)293.1 × 211 × 38 mm
(11.54 × 8.31× 1.50 in)
Rear
Ty p e S i n g l e t a n k
Dimensions (W × H × T)132.1 × 181 × 38 mm
(5.2 × 7.13× 1.50 in)
Blower fan
Front Fan type Sirocco fan
Outer diameter× width 165 ×75 mm (6.49 × 2.95 in)
Powe r c on su mp t i on 2 60 W
Rear
Fan t yp e S i r oc co fa n
Outer diameter× width 150 ×70 mm (5.91 × 2.95 in)
Powe r c on su mp t i on 1 5 0 W or l es s
Condenser fan (Sub fan)
Motor type Magnet
Powe r c on su mp t i on 1 60 W
Fan o ut e r d i am et e r 3 20 mm (1 2 . 6 i n)
Radiator fan (Main fan)
Motor type Magnet
Powe r c on su mp t i on 1 60 W
Fan o ut e r d i am et e r 3 20 mm (1 2 . 6 i n)
Idling speed (A/C ON) MPFI model 800±100 rpm

AC-24
Refrigerant Leak Check
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
5. Refrigerant Leak Check
A: INSPECTION
1) At engine speed below 1500rpm, operate the A/
C system for approx. 10 minutes, and confirm that
the high-side pressure shows at least 690 kPa
(7.03 kg/cm2, 100 psi). Then stop the engine to
start the leak test.
2) Starting from the connection between high-pres-
sure pipe and evaporator, check the system for
leaks along the high-pressure side through the
compressor. The following items must be checked
thoroughly.
3) Check the joint and seam between pressure
switch (dual switch) and high-pressure pipe.
4) Check the connections between condenser and
pipes, and welded joints on the condenser.
The leak tester may detect the oil on the condenser
fins as a leak.
5) Check the joint between compressor and hoses.
6) Check the machined area of the compressor and
other joints on the compressor.
7) Check the compressor shaft seal at the area
near the center of compressor clutch pulley.
Some shaft seals show a slight amount of leakage,
about 3 g (0.1 oz) per year. This is not a problem.
8) Starting from the connection between low-pres-
sure pipe and evaporator, check the system for
leakage along the low-pressure side through the
compressor. The following items must be checked
thoroughly.
•Connection between 2 parts
•Connection between pipe and plate
•Connection between pipes
9) Visually check the rubber area of the flexible
hose for cracks.
Check the entire length of the flexible hose, espe-
cially the connection with the metal hose end.
CAUTION:
Carefully check the external surface of hoses
and tubes at approx. 25 mm (0.98 in) per sec-
ond.
10) Disconnect the drain hose from the heater
case, and check the hose end for at least 10 sec-
onds.
After the test is finished, reconnect the drain hose.
11) Turn the ignition key to the ON position, and
run the blower at high speed for approx. 1 minute.
Stop the blower to check the ventilation grill on the
instrument panel. While moving the tester closer to
the grill, run the blower for 1 or 2 seconds, then stop
it. Check the grill at that point for at least 10 sec-
onds.
12) Check the valve in the service port.
13) Visually check the rubber seal in the service
port cap.
AC-00035
(A) Flexible hose
AC-00036
(A)
AC-00037
AC-00038

AC-33
Compressor
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
14.Compressor
A: INSPECTION
1. MAGNETIC CLUTCH CLEARANCE
Check the clearance of the entire circumference
around the drive plate and pulley.
Standard:
0.45±0.15 mm (0.0177±0.0059 in)
2. MAGNETIC CLUTCH OPERATION
1) Disconnect the compressor connector.
2) Connect the positive (+) lead from the battery to
the compressor connector terminal, and the nega-
tive (–) lead to the compressor body.
3) Check the magnet clutch engagement.
If there is a problem, replace the compressor.
B: REMOVAL
1) Perform the compressor oil return operation.

2) Turn the A/C switch to OFF and stop the engine.
3) Using the refrigerant recovery system, dis-
charge refrigerant. Refrigerant Recovery Procedure.>
4) Disconnect the ground cable from battery.
5) Remove the V-belts. REMOVAL, V-belt.>
6) Remove the generator. REMOVAL, Generator.>
7) Remove the bolt and remove the low-pressure
hose and high-pressure hose.
8) Disconnect the compressor harness from the
body harness.
9) Remove the bolts and remove the compressor
bracket.
10) Remove the bolts, then remove the bracket
from the compressor.
C: INSTALLATION
1) Install in the reverse order of removal.
2) Replace the O-rings on low-/high-pressure hos-
es with new parts, then apply compressor oil.
3) After replacing the compressor, adjust the
amount of compressor oil. CEDURE, Compressor Oil.>
4) Charge refrigerant. DURE, Refrigerant Charging Procedure.>
Tightening torque:
Refer to “COMPONENT” of “General Descrip-
tion”. UNIT, COMPONENT, General Description.>
NENT, General Description.>
AC-01287
AC-01381
AC-01289
AC-01290

AC-50
General Diagnostic Table
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
29.General Diagnostic Table
A: INSPECTION
Symptom Repair order
Blower motor
Does not operate.
Fuse
Blower motor relay
Blower motor
Blower motor resistor
Blower switch
Wiring harness
Strange noiseBlower motor
Air conditioner filter
Compressor
Does not operate.
Refrigerant
Fuse
Air conditioning relay
Magnet clutch
Compressor
Pressure switch
A/C switch
Blower switch
Wiring harness
Strange noise
V- b e l t
Magnet clutch
Compressor
Belt tensioner
Cold air not emitted.
Refrigerant
V- b e l t
Magnet clutch
Compressor
Pressure switch
Expansion valve
A/C switch
Blower switch
Wiring harness
Heater duct
Heater vent duct
Te m p e r a t u r e c o n t r o l d o o r a c t u a t o r
Wa r m a ir n ot e mi t te d .
Engine coolant
Blower switch
Heater core
Te m p e r a t u r e c o n t r o l d o o r a c t u a t o r
Te m p e r a t u r e o f a i r f r o m v e n t s d o e s n o t c h a n g e .
Engine coolant
Air mix door actuator (Auto A/C)
Wire harness (Auto A/C)
Unable to switch blow vents.
Mode door actuator
Air flow switch
Wiring harness
Unable to switch suction vents.
Air inlet select switch
FRESH/RECIRC door actuator
Wiring harness

AC(diag)-8
Auto A/C Control Module I/O Signal
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
4. Auto A/C Control Module I/O Signal
A: ELECTRICAL SPECIFICATION
Te r m i n a l N o . D e s c r i p t i o n M e a s u r i n g c o n d i t i o n S p e c i f i c a t i o n
A1 Battery power supply Ignition switch: OFF Battery voltage
A2 ACC power supply Ignition switch: ACC Battery voltage
A3Mode door actuator position sig-
nal
Mode door: FACE position 4 V
Mode door: DEF position 1 V
A4Passenger’s side air mix door
actuator position signal
Air mix door: Maximum cool position 4 V
Air mix door: Maximum hot position 1 V
A5 In-vehicle sensor Ignition switch: ON Less than 5 V
A6 Sunload sensor Ignition switch: ON, With Sunload (No sunload: 0.8 V) 3 V
A7Driver’s seat heater temperature
sensorIgnition switch: ON Less than 5 V
A8 Sensor power supply Ignition switch: ON 5 V
A9 Ignition power supply Ignition switch: ON Battery voltage
A10 A/C cut signalIgnition switch: ON Battery voltage
When pressure SW is operating 0 V
A12Driver’s side air mix door actuator
position signal
Air mix door: Maximum cool position 4 V
Air mix door: Maximum hot position 1 V
A13 Evaporator sensor Ignition switch: ON Less than 5 V
A14Passenger’s seat heater tempera-
ture sensorIgnition switch: ON Less than 5 V
A15 Sensor ground Continuity to chassis ground 0 Ω
A16 Ground Continuity to chassis ground 0 Ω
B1 CAN communication (HI side) Ignition switch: ON Pulse signal *1
B2Blower motor voltage feedback
signal
Blower level: Manual Lo 7.6 V
Blower level: Manual M3 3.7 V
Blower level: Manual Hi Less than 1 V
B3Blower motor power MOS gate
control signalIgnition switch : ON, Blower switch : ON1 V — battery
voltage
B6 Magnet clutch signalTe m p e r a t u r e s e t t i n g : M a x i m u m C O O L , M O D E : M a n u a l
DEF, A/C: ONBattery voltage
AC-01334
10
20 19 18 17 16 15 14
13 12 11987654 321
1016 15 14 13 12 119
87654 321
B: B283
A: B282
232122242526

AC(diag)-13
Diagnostic Chart for Self-diagnosis
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
3. A/C CONTROL SYSTEM SELF-DIAGNOSIS
Step Check Yes No
1SET SELF-DIAGNOSIS MODE BY OPERAT-
ING A/C CONTROL PANEL.
1) Turn the ignition switch from OFF to ACC,
and wait for 2 seconds.
2) Start the engine with the auto switch and
FRESH/RECIRC switch pressed.
NOTE:
Self-diagnosis can also be performed with igni-
tion switch ON, but start the engine because
observing the magnet clutch operation is diffi-
cult.
3) All the indicators blink four times.
Does the self-diagnosis func-
tion operate?
Go to step 2. 15, A/C OR SELF-
DIAGNOSIS SYS-
TEMS DOES NOT
OPERATE, Diag-
nostics for A/C
System Malfunc-
tion.>
2CHECK EACH SENSOR AND POTENTIOME-
TER
1) After the indicators stop blinking, automati-
cally change to the inspection mode of sensor
and potentiometer.
NOTE:
Display items can be changed each time the A/
C switch is pressed. (Step Operation)
2) When malfunction occurs in each sensor
and potentiometer, codes are displayed on the
screen. When no malfunction occurs in each
sensor and potentiometer, code “20” is dis-
played on the screen.
3) Identify the defective sensor according to
the sensor check table. SENSOR CHECK TABLE, OPERATION, Diag-
nostic Chart for Self-diagnosis.>
Are other codes except “20”
displayed?
Repair the defec-
tive sensor. to AC(diag)-31,
Diagnostic Proce-
dure for Sensors.>
Go to step 3.
3CHECK EACH ACTUATOR, BLOWER FAN
AND MAGNET CLUTCH.
1) After completing each sensor and potenti-
ometer inspection, change to the inspection
mode of actuator, blower fan and magnet
clutch by pressing the defroster switch.
2) Each mode will change and operate auto-
matically every four seconds.
NOTE:
Operation mode items can be changed each
time the A/C switch is pressed. (Step Opera-
tion)
3) Check the operation of actuator, blower fan
and magnet clutch in each mode according to
the operating mode table. 14, OPERATING MODE TABLE, OPERATION,
Diagnostic Chart for Self-diagnosis.>
Do the actuator, blower fan and
magnet clutch operate as
described in the operating
mode table?
A/C control system
is normal. Press
the OFF switch
and complete the
self-diagnosis
function.
Repair the defec-
tive par t in accor-
dance with each
diagnostic chart.
15, Diagnostics for
A/C System Mal-
function.> or to AC(diag)-24,
Diagnostic Proce-
dure for Actua-
tors.>

AC(diag)-14
Diagnostic Chart for Self-diagnosis
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
4. SENSOR CHECK TABLE
NOTE:
When the sunload sensor check is performed indoors or in the shade, it could be diagnosed as having an
open circuit. Always check the sunload sensor with the sun shining on it.
*1: “AUTO” display does not blink when past malfunction occurred. Past malfunction means that abnormal signals were contin-
uously input for a certain time in the past.
*2: Present malfunction only is displayed for sunload sensor open circuit.
5. OPERATING MODE TABLE
*Same opening angle for both driver’s and passenger’s side
Display screen (Malfunction at
present) *1Sensor Trouble contents
21/AUTO BlinkIn-vehicle sensorOpen
–21/AUTO BlinkShort
22/AUTO Blink Ambient sensor Sensor trouble or communication malfunction
23/AUTO BlinkEvaporator sensorOpen
–23/AUTO BlinkShort
24/AUTO Blink Engine coolant temperature sensor Sensor trouble or communication malfunction
25 BlinkSunload sensorOpen *2
–25/AUTO BlinkShort
26/AUTO BlinkDriver's side air mix door actuator
potentiometer
COOL
27/AUTO BlinkHOT
–26/AUTO BlinkPassenger’s side air mix door actua-
tor potentiometer
COOL
–27/AUTO BlinkHOT
28/AUTO BlinkMode door actuator potentiometerFA C E
29/AUTO BlinkDEF
41/AUTO BlinkSeat heater thermistor (Driver’s
side)
Open
–41/AUTO BlinkShort
42/AUTO BlinkSeat heater thermistor (Passenger’s
side)
Open
–42/AUTO BlinkShort
20 Blink When all conditions are normal
Display screenFRESH/RECIRC
doorMode door Air mix door* Blower fanA/C compressor (Mag-
net clutch)
31 FRESH FACE Maximum cool LO OFF
32 RECIRC FACE Maximum cool LO ON
33 RECIRC FACE Maximum cool M1 ON
34 FRESH B/L 50% M1 ON
35 FRESH HEAT 50% M1 ON
36 FRESH HEAT Maximum hot M3 ON
37 FRESH D/H Maximum hot M3 ON
38 FRESH DEF Maximum hot HI ON

AC(diag)-20
Diagnostics for A/C System Malfunction
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
C: COMPARTMENT TEMPERATURE DOES NOT CHANGE, OR A/C SYSTEM
DOES NOT RESPOND PROMPTLY.
WIRING DIAGRAM:
AC-01337
MAIN SBFSBF-6F/B NO.22
B360
F109
B143B:
F37A:
F35C:
1
9
F24
1
B361
F108
B136C:ECM
B283B:
B282A:
F27
B10
14
9
2830
2931
EE
C3C7
A4B13
43
12
C9
C33C24
A10B6
AUTO A/CCONTROLMODULE
MAGNETCLUTCH
MAIN FUSE BOX
THROUGH JOINTCONNECTORTHROUGH JOINTCONNECTOR
IGNITION SWITCHBATTERY
PRESSURESWITCH
A/C RELAY
B282B10 A:
B143
B360
F109
F108B:F37A:
F35F27C:
12345678910 11 12 13 14 15 16
1234 5678910 11 12 13 14 15 16 17 18 19 20
1234567891011122314
234 567891112 13 14 17 18 19 201101516
B361
1234567891011121314
123 8910411 12 13 14 15 165671718
12389104111213 1415165671236
7
45
131415
11
3031
1617891012
2627
18 192928222320 21
24 25
3412 8910 1112 13 14 15 16 17 18 19 20 21 22 23 24567
B136C:
1289563410 11 121920 2129 3031
13 14 15161727281822 2324 25 267
32 3334 35
B283
345678910
16 17 18 19 20
121112132425262122231415
B: