Page 793 of 2248

B: INSPECTION
Check that connector is connected correctly and that con-
nector terminal sliding resistance is correct.
G4M0469
C: INSTALLATION
1) Connect connector to ABS control module.
2) Install ABS control module on the body.
G4M0470
17. G Sensor for ABS System
A: REMOVAL AND INSTALLATION
The G sensor is located on the right front wheel apron.
G4M0471
B: INSPECTION
1) Check to ensure that G sensor is securely installed on
front wheel apron, and that connector is properly installed.
2) Disconnect connector from G sensor and measure con-
tact resistance between terminals.
Condition of G sensor Standard
On flat surface 610±60Ω
* When slanting about
14°—21.3°(θ)610±60Ω,
More than 100 kΩ
NOTE:
Tilt G sensor forward as shown in Figure. If it is tilted
backward, it will not operate.
Hysteresis occurs during ON-OFF operation of sensor.
Sensor should turn OFF from ON (610Ω,More than 100
kΩ) when it is tilted in a range from 14°to 21.3°.
Tightening torque:
7.4±2.0 N⋅m (0.75±0.2 kg-m, 5.4±1.4 ft-lb)
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16. ABS Control Module - 17. G Sensor for ABS System
Page 794 of 2248

18. Brake Hose and Pipe
SUPPLEMENTAL RESTRAINT SYSTEM“AIRBAG”
Airbag system wiring harness is routed near the center
brake pipe.
CAUTION:
All Airbag system wiring harness and connectors
are colored yellow. Do not use electrical test equip-
ment on these circuit.
Be careful not to damage Airbag system wiring har-
ness when servicing the center brake pipe.
A: REMOVAL AND INSTALLATION
CAUTION:
When removing and installing the brake pipe, make
sure that it is not bent.
After installing the brake pipe and hose, bleed the
air.
After installing the brake hose, make sure that it
does not touch the tire or suspension assembly, etc.
1. MODELS WITHOUT ABS
G4M0472
1Union bolt
2Front brake hose RH
3Proportioning valve
4Front brake pipe
5Front adapter pipe (UPPER)
6Front adapter pipe (LOWER)
7Front brake hose LH
8Center brake pipe ASSY
9Connector bracket
10Two-way connector
11Rear brake pipe RH
12Rear brake hose drum
13Rear brake pipe ASSY
14Rear brake pipe LH
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 13±3 (1.3±0.3, 9.4±2.2)
T2: 15
+3
2(1.5+0.3
0.2, 10.8+2.2
1.4)
T3: 18±3 (1.8±0.3, 13.0±2.2)
T4: 18±5 (1.8±0.5, 13.0±3.6)
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4-4SERVICE PROCEDURE
18. Brake Hose and Pipe
Page 795 of 2248
2. MODELS WITH ABS
B4M0708A
1Union bolt
2Front brake hose RH
3Valve bracket
4Proportioning valve
5Front brake pipe ASSY
6Front adapter pipe
7Front brake hose LH
8Two-way connector
9Connector bracket
10Rear brake hose RH
11Rear brake pipe ASSY
12Rear brake hose LH
13Center brake pipe ASSY
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 13±3 (1.3±0.3, 9.4±2.2)
T2: 15
+3
2(1.5+0.3
0.2, 10.8+2.2
1.4)
T3: 18±3 (1.8±0.3, 13.0±2.2)
T4: 18±5 (1.8±0.5, 13.0±3.6)
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4-4SERVICE PROCEDURE
18. Brake Hose and Pipe
Page 796 of 2248
3. MODELS WITH TCS
B4M0709A
1Union bolt
2Front brake hose RH
3Valve bracket
4Proportioning valve
5Front brake pipe ASSY
6Front brake hose LH
7Two-way connector
8Connector bracket
9Rear brake hose RH
10Rear brake pipe ASSY
11Rear brake hose LH
12Center brake pipe ASSY
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 13±3 (1.3±0.3, 9.4±2.2)
T2: 15
+3
2(1.5+0.3
0.2, 10.8+2.2
1.4)
T3: 18±3 (1.8±0.3, 13.0±2.2)
T4: 18±5 (1.8±0.5, 13.0±3.6)
T5: 19±4 (1.9±0.4, 13.7±2.9)
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4-4SERVICE PROCEDURE
18. Brake Hose and Pipe
Page 797 of 2248

19. Air Bleeding (With TCS model)
A: RULES FOR EFFECTIVE BLEEDING
1) Pressure is not applied to suction pipe by depressing
brake pedal. When any of the following are performed,
bleed air from suction pipe by air bleeding control opera-
tion.
NOTE:
For TCS vehicle, suction pipe is installed between master
cylinder and hydraulic unit to allow flow of brake fluid
between them during ABS and TCS operation.
(1) When brake pipe is disconnected from master cyl-
inder.
(2) When brake pipe between hydraulic unit and mas-
ter cylinder is disconnected.
(3) When fluid is emptied from reservoir tank.
2) The time interval between two brake pedal operations
(from the time when the pedal is released to the time when
it is depressed another time) shall be approximately 3 sec-
onds.
3) The air bleeder on each brake shall be released for 1
to 2 seconds.
B: BLEEDING PROCEDURE WITH AIR
BLEEDING CONTROL
1. BLEEDING PROCEDURE
CAUTION:
The FMVSS No. 116, fresh DOT3 or 4 brake fluid
must be used.
Cover bleeder with waste cloth, when loosening it,
to prevent brake fluid from being splashed over sur-
rounding parts.
Avoid mixing different brands of brake fluid to pre-
vent degrading the quality of the fluid.
Be careful not to allow dirt or dust to get into the
reservoir tank.
During bleeding operation, keep the brake reserve
tank filled with brake fluid to eliminate entry of air.
NOTE:
Brake pedal operating must be very slow.
For convenience and safety, it is advisable to have two
man working.
G4M0434
1) Start air bleeding control operation.
[W19D0].>
2) Make sure that there is no leak from joints and connec-
tions of the brake system.
3) Bleed air through front RH caliper by operating brake
pedal.
(1) Fit one end of vinyl tube into the air bleeder and put
the other end into a brake fluid container.
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4-4SERVICE PROCEDURE
19. Air Bleeding (With TCS model)
Page 798 of 2248

(2) Slowly depress the brake pedal and keep it
depressed. Then, open the air bleeder to discharge air
together with the fluid.
Release air bleeder for 1 to 2 seconds.
Next, with the bleeder closed, slowly release the brake
pedal.
Repeat these steps until there are no more air bubbles
in the vinyl tube.
Allow 3 to 4 seconds between two brake pedal opera-
tions.
CAUTION:
Cover bleeder with waste cloth, when loosening it, to
prevent brake fluid from being splashed over sur-
rounding parts.
NOTE:
Brake pedal operating must be very slow.
4) Bleed air from suction pipe through front RH caliper.
(1) Open the air bleeder.
(2) Keep pressing TCS OFF switch for 20 seconds or
more.
NOTE:
Ensure no air comes out from air bleeder.
(3) Close the air bleeder.
5) Bleed air through front LH caliper by operating brake
pedal. This is the same procedure as step 3).
6) Bleed air from suction pipe through front LH caliper.
This is the same procedure as step 4).
7) Bleed air through front RH and LH calipers by operat-
ing brake pedal. This is the same procedure as step 3).
Repeat steps 3) to 7) until air does no longer comes out.
8) Tighten air bleeders securely when bubbles are visible.
Air bleeder tightening torque:
8±1 N⋅m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
9) Bleed air through rear LH and RH caliper by operating
brake pedal. This is the same procedure as step 3).
10) Tighten air bleeders securely when bubbles are vis-
ible.
Air bleeder tightening torque:
8±1 N⋅m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
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4-4SERVICE PROCEDURE
19. Air Bleeding (With TCS model)
Page 799 of 2248

11) Operate FRO (Front Right Outlet) valve and RLO
(Rear Left Outlet) valve to bleed air from hydraulic unit
outlet circuit.
(1) Press TCS OFF switch while depressing brake
pedal.
(2) Make sure ABS warning light illuminates.
(3) Repeatedly depress and release brake pedal 10
times or more while pressing TCS OFF switch.
NOTE:
Air comes out from reservoir tank.
12) Operate FLO (Front Left Outlet) valve and RRO (Rear
Right Outlet) valve to bleed air from hydraulic unit outlet
circuit.
(1) Press TCS OFF switch while depressing brake
pedal.
(2) Make sure TCS warning light illuminates.
(3) Repeatedly depress and release brake pedal 10
times or more while pressing TCS OFF switch.
NOTE:
Air comes out from reservoir tank.
The operations in steps 11) and 12) above can be
switched with each other by operating brake pedal (stop
light switch) while pressing TCS OFF switch.
Repeat procedures 11) and 12) until air no longer comes
out of reservoir tank.
13) Perform these steps for the brakes connecting to the
secondary chamber of master cylinder, first, and then for
the ones connecting to primary chamber. With all proce-
dures completed, fully depress the brake pedal and keep
it in that position for approximately 20 seconds to make
sure that there is no leak evident in the entire system.
14) Turn ignition switch OFF.
15) Perform TCS sequence control.
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19. Air Bleeding (With TCS model)
Page 800 of 2248

G4M0436
16) Check the pedal stroke.
While the engine is idling, depress the brake pedal with a
490 N (50 kg, 110 lb) load and measure the distance
between the brake pedal and steering wheel. With the
brake pedal released, measure the distance between the
pedal and steering wheel again. The difference between
the two measurements must be less than specified.
Specified pedal stroke:
With TCS
95 mm (3.74 in)
When depressing brake pedal with a 490 N (50 kg,
110 lb) load.
If the distance is more than specifications, there is a
possibility that air is in the brake line. Bleed air from the
brake line.
17) Turn ignition switch OFF.
18) Disconnect select monitor or diagnosis terminal.
19) Add brake fluid to the required level (MAX. level) of
reserve tank.
20) As a final step, test run the vehicle at low speed and
apply brakes relatively hard 2 to 3 times to ensure that
brakes provide normal braking action on all four wheels
without dragging and uneven braking.
2. CONDITIONS FOR AIR BLEEDING CONTROL
Stop light
switchTCS OFF
switchPump
motorTCS
valveFRO
RLOFLO
RROTCS
operating
indicator
lightABS
warning
lightTCS
warning
light
Air
bleeding
control is
operating.OFF ON ON Close Close Close ON ON ON
ON ON OFF Open Open Close ON ON OFF
ON ON OFF Open Close Open ON OFF ON
ON or OFF OFF OFF Open Close Close ON OFF OFF
Stops tem-
porarily.*——OFF Open Close Close OFF OFF OFF
Prohibited.——OFF Open Close Close OFF ON ON
*: When brake fluid level switch detects brake fluid in LOW level, control operation stops temporarily. After refilling brake fluid, operation
re-starts.
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4-4SERVICE PROCEDURE
19. Air Bleeding (With TCS model)