Isuzu Trooper (1998-2002 year). Manual — part 211
5B–2
ANTI–LOCK BRAKE SYSTEM
Electronic Hydraulic Control Unit
Electronic Hydraulic Control Unit and Associated Parts
350RW013
Legend
(1) Connector
(2) Hydraulic Unit ASM
(3) Bolts
(4) Nut
(5) Bolt
Removal
1. Remove battery ASM.
2. Remove harness connector.
3. Remove EHCU fixing nuts.
4. Remove brake pipes.
D
After disconnecting brake pipe, cap or tape the
openings of the brake pipe to prevent the entry of
foreign matter.
5. Remove hydraulic unit fixing nuts.
Installation
To install, follow the removal steps in the reverse order,
noting the following points:
Torque
Hydraulic unit fixing nuts : 22 N·m (2.2kg·m/16
lb ft)
Ground cable : 14 N·m (1.4kg·m/10 lb ft)
Brake pipe (joint bolts) : 16 N·m (1.6kg·m/12
lb ft)
D
After installing the hydraulic unit, bleed brakes
completely. Refer to Servicing in Power Assisted
Brake System section.
5B–3
ANTI–LOCK BRAKE SYSTEM
G-Sensor
Removal
350RX001
1. Remove center console.
D
Refer to Consoles in Body and Accessories
section.
2. Remove clip from G-sensor connector (1), then
disconnect connector.
3. Remove G-sensor assembly fixing bolt (2).
4. Remove G-sensor assembly (3).
Inspection and Repair
Refer to Chart B-5 in Brake Control System section.
Installation
1. Install G-sensor assembly (3).
D
Care should be taken so that the G-sensor is not
installed in the wrong direction.
2. Install G-sensor assembly fixing bolt (2).
D
Tighten the fixing bolt to the specified torque.
Torque : 10 N·m (1.0kg·m/87 lb in)
3. Install G-sensor wiring connector (1).
4. Install center console.
D
Refer to Consoles in Body and Accessories
section.
5B–4
ANTI–LOCK BRAKE SYSTEM
Front Wheel Speed Sensor
Front Wheel Speed Sensor and Associated Parts
350RW012
Legend
(1) Speed Sensor Connector
(2) Sensor Cable Fixing Bolt (Upper side)
(3) Sensor Cable Fixing Bolt (Lower side)
(4) Sensor Cable Fixing Bolt (Sensor side)
(5) Speed Sensor
Removal
1. Remove speed sensor connector.
2. Remove sensor cable fixing bolt (Upper side).
3. Remove sensor cable fixing bolt (Lower side).
4. Remove the speed sensor cable fixing bolts (1) and
caliper fixing bolt (2) from caliper side speed sensor
cable bracket (3).
350RW010
5. Remove speed sensor.
5B–5
ANTI–LOCK BRAKE SYSTEM
Inspection and Repair
1. Check the speed sensor pole piece for presence of
foreign materials; remove any dirt, etc.
2. Check the pole piece for damage; replace speed
sensor if necessary.
3. Check the speed sensor cable for short or open
circuit, and replace with a new one if necessary.
To check for cable short or open, bend or stretch the
cable while checking for continuity.
4. Check the sensor ring for damage including tooth
chipping, and if damaged, replace the sensor ring
assembly. Refer to Front Hub and Disc in Drive Shaft
System section.
Installation
1. Install speed sensor and take care not to hit the speed
sensor pole piece during installation.
2. Install speed sensor fixing bolt and tighten the fixing
bolt to the specified torque.
Torque
Sensor side : 8 N·m (0.8kg·m/69 lb in)
Caliper side : 155 N·m (15.8kg·m/115 lb ft)
350RW011
Legend
(1) Caliper Fixing Bolt
(2) Bracket
(3) Sensor Fixing Bolt
(4) Sensor
(5) Knuckle
(6) Brake Caliper
3. Install speed sensor cable fixing bolt (Lower side) and
tighten the fixing bolt to the specified torque.
Torque : 24 N·m (2.4kg·m/18 lb ft)
4. Install speed sensor cable fixing bolt (Upper side) and
tighten the fixing bolt to the specified torque.
Torque : 6 N·m (0.6kg·m/52 lb in)
NOTE: Confirm that a white line marked on the cable is
not twisted when connecting the speed sensor cable.
5. Install speed sensor connector.
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