Mitsubishi Grandis. Manual — part 916
HYDRAULIC UNIT
ANTI-SKID BRAKING SYSTEM (ABS)
35B-79
REMOVAL SERVICE POINTS
<<A>> ABS-ECU HARNESS CONNECTOR
DISCONNECTION
Operate the lock lever to disconnect the ABS-ECU
harness connector as shown.
<<B>> HYDRAULIC UNIT (INTEGRATED
WITH ABS-ECU) REMOVAL
WARNING
The hydraulic unit is heavy. Use care when
removing it.
CAUTION
• The hydraulic unit cannot be disassembled.
Never loosen its nuts or bolts.
• Do not drop or shock the hydraulic unit.
• Do not turn the hydraulic unit upside down or
lay it on its side.
AC303013
15 ± 2 N·m
2
AC
2
4
1
5
3
2
4
Removal steps
<<A>>
1.
ABS-ECU harness connector
2.
Brake tube connection
•
Brake tube and master cylinder
connection <LH drive vehicles>
•
Brake tube and brake hose (LH)
<LH drive vehicles>
<<B>>
3.
Hydraulic unit (ABS-ECU)
4.
Hydraulic unit bracket insulator
5.
Hydraulic unit bracket
AC311278AB
Oil reservoir
Lock lever
ABS SENSOR
ANTI-SKID BRAKING SYSTEM (ABS)
35B-80
ABS SENSOR
REMOVAL AND INSTALLATION
M1352008300667
CAUTION
The vehicle speed detection encoder collects any metallic particle easily, because it is magnetized.
Make sure that the encoder should not collect any metallic particle. Check that there is not any
trouble prior to reassembling it.
NOTE: The vehicle speed detection encoder is
integrated with the front hub and the rear hub, which
is non-serviceable.
Pre-removal operation
• Engine cover removal (Refer to GROUP 11A, Camshaft
and valve stem seal
.) <Front: left>
• Air cleaner body assembly removal (Refer to GROUP 15,
Air Cleaner
.) <Front: left>
Post-installation Operation
• Air cleaner body assembly installation (Refer to GROUP
15, Air Cleaner
.) <Front: left>
• Engine cover installation (Refer to GROUP 11A,
.) <Front: left>
AC313585
AB
6
9
3
<Front>
<Rear>
10
2
5
4
1
7
8
Front wheel speed sensor
removal steps
1.
Bolt (front wheel speed sensor and
knuckle connection)
2.
front wheel speed sensor bracket
<<A>>
•
Front wheel speed sensor
connector
>>A<<
3.
Front wheel speed sensor grommet
4.
Front wheel speed sensor
Rear wheel speed sensor
removal steps
5.
Bolt (rear wheel speed sensor and
trailing arm connection)
6.
Bolt (rear wheel speed sensor and
rear suspension lower arm
assembly connection)
7.
Bolt (rear wheel speed sensor and
rear suspension crossmember
connection)
8.
Bolt (rear wheel speed sensor and
body connection)
•
Rear wheel speed sensor
connector
9.
Rear wheel speed sensor
10. Heat protector
Rear wheel speed sensor
removal steps (Continued)
ABS SENSOR
ANTI-SKID BRAKING SYSTEM (ABS)
35B-81
REMOVAL SERVICE POINT
<<A>> FRONT WHEEL SPEED SENSOR
CONNECTOR REMOVAL <LH>
NOTE: The front wheel speed sensor connector is in
the harness cover as shown.
INSTALLATION SERVICE POINT
>>A<< FRONT WHEEL SPEED SENSOR
GROMMET REMOVAL
Install the front wheel speed sensor grommet to the
body panel so that there is no space between them.
INSPECTION
M1352008400523
ABS SENSOR CURRENT CHECK
CAUTION
Do not connect the battery terminals in reverse
as the wheel speed sensor may be damaged.
1. Use special tool probe MB991222 to connect the
circuit tester and measure current flown through
wheel speed sensor with wheel speed sensor
separated from the vehicle.
Standard value: 5.9
− 8.4mA
2. If the measurement value is outside the standard
value, replace the wheel speed sensor with a new
one.
WHEEL SPEED SENSOR INSULATION
CHECK
AC302191
AB
Harness cover
Front wheel speed sensor
connector <LH>
AC302907AB
Front wheel speed
sensor grommet
Body panel
AC303389AB
MB991222
AC208514 AB
ABS SENSOR
ANTI-SKID BRAKING SYSTEM (ABS)
35B-82
1. Measure the insulation resistance from terminals
1 and 2 to the wheel speed sensor and body with
the wheel speed sensor separated from the
vehicle.
Standard value: 5 M
Ω or more
2. If the insulation resistance is outside the standard
value, replace the wheel speed sensor with a new
one.
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