2009 SUBARU TRIBECA brake sensor

BVC(diag)-21
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BRAKE VACUUM CONTROL (BVC) (DIAGNOSTICS)
Step Check Yes No
1CHECK BRAKE VACUUM HOSE.
1) Turn the ignition switch to OFF.
2) Check that status of the brake vacuum
hose connection.
Is the brake vacuum hose con-
nected firmly?
Go to step 2.Connect the brake
vacuum hose.
2CHECK BRAKE VACUUM HOSE.
1) Turn the ignition switch to ON and start
engine.
2) Check for leakage from the brake vacuum
hose.
Is there a leak from the brake
vacuum hose?
Replace the brake
vacuum hose.
Go to step 3.
3CHECK BRAKE VACUUM SENSOR CON-
NECTOR.
Check that status of the brake vacuum sensor
connector connection.
Is the brake vacuum sensor
connector connected firmly?
Go to step 4.Connect the brake
vacuum sensor
connector.
4CHECK BRAKE VACUUM SENSOR.
1) Turn the ignition switch to OFF.
2) Disconnect the brake vacuum sensor con-
nector.
3) Remove the brake vacuum sensor. BR-40, REMOVAL, Brake Vacuum Sensor.>
4) Measure the resistance between brake
vacuum sensor connector terminals.
Connector & terminal
No. 1 — No. 3:
No. 2 — No. 3:
Is the resistance 15 kΩ or
less?
Go to step 5.Replace the brake
vacuum sensor.
Brake Vacuum
Sensor.>
5CHECK HARNESS BETWEEN ECM AND
BRAKE VACUUM SENSOR CONNECTOR.
1) Disconnect the connectors from ECM.
2) Measure the resistance of the harness
between ECM and the brake vacuum sensor
connector.
Connector & terminal
(B135) No. 30 — (B411) No. 1:
(B135) No. 22 — (B411) No. 3:
(B134) No. 27 — (B411) No. 2:
Is the resistance less than 1
Ω?
Go to step 6.Repair the open
circuit of harness
between ECM and
brake vacuum
sensor connector.
6CHECK HARNESS BETWEEN ECM AND
BRAKE VACUUM SENSOR CONNECTOR.
Measure the resistance of harness between
ECM and chassis ground.
Connector & terminal
(B135) No. 30 — Chassis ground:
(B135) No. 22 — Chassis ground:
(B134) No. 27 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 7.Repair the ground
short of the har-
ness between
ECM and brake
vacuum sensor
connector.
7CHECK HARNESS BETWEEN ECM AND
BRAKE VACUUM SENSOR CONNECTOR.
Measure the voltage between ECM and chas-
sis ground.
Connector & terminal
(B135) No. 30 (+) — Chassis ground (–):
(B135) No. 22 (+) — Chassis ground (–):
(B134) No. 27 (+) — Chassis ground (–):
Is the voltage less than 0.5 V? Go to step 8.Repair the battery
short of the har-
ness between
ECM and brake
vacuum sensor
connector.
8CHECK THE BRAKE VACUUM SENSOR
POWER SUPPLY.
1) Connect the connectors to ECM and brake
vacuum sensor.
2) Turn the ignition switch to ON.
3) Measure the voltage between ECM con-
nector terminals.
Connector & terminal
(B135) No. 22 (+) — (B135) No. 30 (–):
Is the voltage 4.75 — 5.25 V? Go to step 9.Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>

BVC(diag)-24
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BRAKE VACUUM CONTROL (BVC) (DIAGNOSTICS)
Step Check Yes No
1CHECK CONNECTOR.
Check that status of the brake vacuum sensor
and brake vacuum pump connection.
Are the brake vacuum sensor
and brake vacuum pump con-
nected firmly?
Go to step 2.Connect the con-
nector.
2CHECK FUSE.
1) Turn the ignition switch to OFF.
2) Remove the brake vacuum pump fuse.
3) Check the condition of fuse.
Is the fuse blown out? Replace the fuse. Go to step 3.
3CHECK BRAKE VACUUM PUMP RELAY.
1) Turn the ignition switch to OFF.
2) Remove the brake vacuum pump relay from
the relay box.
3) Connect the battery to terminals No. 1 and
No. 3 of the brake vacuum pump relay.
4) Measure the resistance between the brake
vacuum pump relay terminals.
Te r m i n a l s
No. 4 — No. 5:
Is the resistance less than 1
Ω?
Go to step 4.Replace the brake
vacuum pump
relay.
4CHECK BRAKE VACUUM PUMP RELAY
POWER SUPPLY.
1) Turn the ignition switch to ON.
2) Measure the voltage between brake vac-
uum pump relay connector and chassis
ground.
Connector & terminal
(VC2) No. 1 (+) — Chassis ground (–):
(VC2) No. 4 (+) — Chassis ground (–):
Is the voltage more than 10 V? Go to step 5.Repair the open or
ground short cir-
cuit of power sup-
ply circuit.
5CHECK HARNESS BETWEEN ECM AND
BRAKE VACUUM PUMP RELAY CONNEC-
TOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector of ECM.
3) Measure the resistance of the harness
between ECM and the brake vacuum pump
relay connector.
Connector & terminal
(B136) No. 8 — (VC2) No. 3:
Is the resistance less than 1
Ω?
Go to step 6.Repair the open
circuit of harness
between ECM and
the brake vacuum
pump relay con-
nector.
6CHECK HARNESS BETWEEN THE BRAKE
VACUUM PUMP AND BRAKE VACUUM
PUMP RELAY CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the brake vacuum pump con-
nector.
3) Measure the resistance of the harness
between the brake vacuum pump and brake
vacuum pump relay connector.
Connector & terminal
(VC2) No. 5 — (B417) No. 1:
Is the resistance less than 1
Ω?
Go to step 7.Repair the open
circuit of the har-
ness between the
brake vacuum
pump and the
brake vacuum
pump relay con-
nector.
7CHECK THE HARNESS BETWEEN ECM
AND BRAKE VACUUM PUMP CONNECTOR.
Measure the resistance of the harness
between brake vacuum pump connector and
the chassis ground.
Connector & terminal
(B417) No. 1 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 8.Repair the ground
short of the har-
ness between
ECM and brake
vacuum pump
connector.
8CHECK THE HARNESS BETWEEN ECM
AND BRAKE VACUUM PUMP CONNECTOR.
Measure the voltage between brake vacuum
pump connector and the chassis ground.
Connector & terminal
(B417) No. 1 (+) — Chassis ground (–):
Is the voltage less than 0.5 V? Go to step 9.Repair the battery
short of the har-
ness between the
ECM and the
brake vacuum
pump connector.

BVC(diag)-30
General Diagnostic Table
BRAKE VACUUM CONTROL (BVC) (DIAGNOSTICS)
12.General Diagnostic Table
A: INSPECTION
Symptom Main probable cause Other probable cause
Po or b rake pe r -
for mance
Long braking/
stopping dis-
tance
•Brake pad
•Aeration to brake line
•Tire specifications, tire wear and air
pressures
•Incorrect wiring or piping connections
•Master cylinder
•Brake caliper
•Disc rotor
•Brake pipe
•Brake booster
Long brake
pedal stroke
•Aeration to brake line
•Brake pedal play
•Master cylinder
•Brake caliper
•Brake pad
•Brake pipe
•Brake booster
Short brake
pedal stroke
•Brake vacuum pump
•Brake vacuum sensor
•Brake vacuum hose
•Master cylinder
•Brake caliper
•Brake pad
•Brake pipe
•Brake booster

DS-13
Front Axle
DRIVE SHAFT SYSTEM
3. Front Axle
A: REMOVAL
1) Disconnect the ground cable from the battery.
2) Lift-up the vehicle, and remove the front wheels.
3) Lift the crimped section of axle nut.
4) Remove the axle nut using a socket wrench
while depressing the brake pedal.
CAUTION:
Remove the wheel before loosening the axle
nut. Failure to follow this rule may damage the
wheel bearings.
5) Remove the stabilizer link.
6) Remove the disc brake caliper from the front
housing, and suspend it from strut using a piece of
wire.
7) Remove the disc rotor from the hub.
NOTE:
If it is difficult to remove the disc rotor from the hub,
drive the 8 mm of bolt into the threaded end of rotor,
then remove the rotor.
8) Remove the cotter pin and castle nut securing
the tierod end to the front housing knuckle arm.
9) Using a puller, remove the tie–rod ball joint from
knuckle arm.
CAUTION:
When removing tie-rod, do not hit the tie-rod
end with hammer.
10) Remove the ABS wheel speed sensor assem-
bly and harness.
DS-00038
FS-00201
DS-00041
(A) Cotter pin
(B) Castle nut
(C) Tie–rod
DS-00042
(C)
(B)
(A)
DS-00043
DS-00249

DS-14
Front Axle
DRIVE SHAFT SYSTEM
11) Remove the front arm ball joint from the front
housing.
12) Remove the PTJ from transmission.
13) Remove the front drive shaft assembly from the
hub. If it is hard to remove, use the ST.
ST1 926470000 AXLE SHAFT PULLER
ST2 28099PA110 AXLE SHAFT PULLER
PLATE
14) After scribing an alignment mark on the camber
adjusting bolt head, remove the bolts which con-
nect the front housing and strut, and disconnect the
front housing from the strut.
15) Remove the front axle.
B: INSTALLATION
1) Align the alignment mark on the camber adjust-
ing bolt head, and affix the front housing and strut
together using a new selflocking nut.
Tightening torque:
175 N·m (17.9 kgf-m, 129 ft-lb)
2) Install the front drive shaft. STALLATION, Front Drive Shaft.>
3) Install the front arm ball joint to the front housing.
Tightening torque:
50 N·m (5.1 kgf-m, 36.9 ft-lb)
4) Install the ABS wheel speed sensor on the front
housing.
Tightening torque:
7.5 N·m (0.8 kgf-m, 5.5 ft-lb)
5) Install the disc rotor to hub.
6) Install the disc brake caliper to the front housing.
Tightening torque:
120 N·m (12.2 kgf-m, 88.5 ft-lb)
7) Install the stabilizer link.
8) Connect the tie-rod end ball joint to the knuckle
arm with a castle nut.
Tightening torque:
27.0 N·m (2.75 kgf-m, 19.9 ft-lb)
CAUTION:
When connecting the tie–rod, do not hit the cap
at bottom of tie–rod end with a hammer.
9) Tighten the castle nut to specified torque and
tighten further within 60° until the pin hole is aligned
with the slot in nut. Bend the cotter pin to lock.
FS-00106
DS-00145
ST2
ST1
DS-00356
(A) Cotter pin
(B) Castle nut
(C) Tie–rod
DS-00042
(C)
(B)
(A)

DS-17
Rear Axle
DRIVE SHAFT SYSTEM
4. Rear Axle
A: REMOVAL
1) Disconnect the ground cable from the battery.
2) Lift-up the vehicle, and then remove the rear
wheels.
3) Lift the crimped section of axle nut.
4) Remove the axle nut using a socket wrench
while depressing the brake pedal.
CAUTION:
Remove the wheel before loosening the axle
nut. Failure to follow this rule may damage the
wheel bearings.
5) Remove the parking brake cable from parking
brake assembly. ing Brake Assembly (Rear Disc Brake).>
6) Remove the rear ABS wheel speed sensor.
7) Remove the snap pin and nut from the front lat-
eral link.
8) Using a puller, separate the rear housing and
ball joint.
9) Detach the upper arm, trailing link, and rear lat-
eral link from the rear housing.
10) Remove the rear axle.
NOTE:
If it is hard to remove, use the ST.
ST1 926470000 AXLE SHAFT PULLER
ST2 28099PA110 AXLE SHAFT PULLER
PLATE
(1) Snap pin
(2) Nut
DS-00038
DS-00363
RS-00189
(2)
(1)
RS-00190
DS-00364
ST2ST1
DS-00361

FS-19
Front Strut
FRONT SUSPENSION
7. Front Strut
A: REMOVAL
1) Lift-up the vehicle, and then remove the front
wheels.
2) Place an alignment mark on the camber adjust-
ing bolt and strut.
3) Remove the bolt securing the brake hose from
the strut.
4) Remove the clip securing the ABS wheel speed
sensor harness.
5) Remove the two bolts securing the housing to
the strut.
NOTE:
While holding the head of the adjusting bolt, loosen
the self–locking nut.
6) Remove the three nuts securing strut mount to
body.
B: INSTALLATION
1) Install the strut mount at the upper side of strut to
body, and tighten it with new self-locking nuts.
Tightening torque:
20 N·m (2.0 kgf-m, 14.5 ft-lb)
2) Align alignment marks on the camber adjusting
bolt and strut.
Using new self–locking nuts, install the strut to the
housing.
NOTE:
While holding the head of adjusting bolt, tighten the
self–locking nut.
Tightening torque:
175 N·m (17.9 kgf-m, 129 ft-lb)
3) Secure the ABS wheel speed sensor harness to
the strut.
4) Install the bolts which secure the brake hose to
the strut.
Tightening torque:
33 N·m (3.4 kgf-m, 24.3 ft-lb)
5) Install the front wheels.
NOTE:
Inspect the wheel alignment and adjust if neces-
sary.
FS-00037
FS-00206
FS-00207

PS-53
General Diagnostic Table
POWER ASSISTED SYSTEM (POWER STEERING)
3. INSPECTION OF CLEARANCE
This table lists various clearances that must be correctly adjusted to ensure the normal vehicle driving with-
out interfering noise, or any other faults.
Install locations Minimum allowance mm (in)
(1) Crossmember-to-Hose assembly 10 (0.39)
(2) Front frame side-to-Hose assembly 15 (0.59)
(3) Air bag sensor to cooler pipe assembly 10 (0.39)
(4) Air cleaner case-to-Suction hose 10 (0.39)
(5) VDCH/U to Reservoir tank bracket 10 (0.39)
(6) Air boots to Hose clip15 (0.59)
(7) Air boot-to-Hose assembly15 (0.59)
(8) Protector to Hose assembly10 (0.39)
(9) Intake manifold to Suction hose 10 (0.39)
(10) Intake manifold to hose assembly 10 (0.39)
(11) Air cleaner case to Cooler pipe joint block 5 (0.20)
(12) Chain cover to Cooler pipe joint block 20 (0.79)
(13) Oil pipe to Cooler pipe joint block 20 (0.79)
(14) Suction hose to Hose assembly 10 (0.39)
(15) Air boot to Reservoir tank10 (0.39)
(16) Brake pipe to Reservoir tank10 (0.39)
(17) Harness to Hose assembly10 (0.39)
(18) Relay box to Hose assembly15 (0.59)
(19) Bumper beam to Cooler pipe assembly 10 (0.39)
(20) Radiator bracket to Cooler pipe assembly 10 (0.39)
(21) ATF cooler to Cooler pipe assembly 10 (0.39)
(22) Undercover to cooler pipe assembly 10 (0.39)
(23) Protector to Hose assembly10 (0.39)
(24) Protector to Hose assembly15 (0.59)
(25) Return hose to Hose assembly 10 (0.39)
(26) Air cleaner case to Hose assembly 10 (0.39)
(27) Suction hose to Hose assembly 10 (0.39)
(28) Air cleaner case to Return hose 3 (0.12)
(29) Valve housing to DOJ12 (0.47)
(30) Valve housing to Crossmember 1 (0.04)
(31) Mount to Crossmember There must be no contact.
(32) Feed tube to Crossmember3 (0.12)
(33) Elbow to Crossmember3 (0.12)
(34) Cylinder pipe to Crossmember 3 (0.12)
(35) Feed tube to Exhaust pipe18 (0.71)
(36) Tie-rod end to Brake dust cover 2.5 (0.10)
(37) Coupling rubber to AT level gage 10 (0.39)
(38) Yoke to Brake booster5 (0.20)