1986 TOYOTA CAMRY V20 brake

(w/o LSPV)
(b) Using a proportioning valve installation bolt, install
the valve bracket in place and tighten the bolt.
Torque: 90 kg±cm (78 in.±Ib, 8.8 N±m)
(c) Remove the proportioning valve installation bolt.
(d) Temporarily install the proportioning valve.
INSTALLATION OF BRAKE ACTUATOR
1. TEMPORARILY INSTALL FOLLOWING PARTS
(a) Temporarily install the three±way union with a bolt. (w/ LS PV)
Remove the two bolts and remove the three±way union
from the actuator.
8. REMOVE THREE±WAY UNION
Remove the bolt and three±way union.
(w/ LSPV)
Temporarily install the three±way union.
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±89

(b) (w/o LSPV)
Tighten the two proportioning valve installation bolts.
Torque: 90 kg±cm (78 in.±Ib, 8.8 N±m )
(w/ LS PV )
Tighten the two three±way union installation bolts.
Torque: 90 kg±cm (78 in.±Ib, 8.8 N±m) 2. TIGHTEN FOLLOWING PARTS
(a) Tighten the three±way union installation bolt.
Torque: 160 kg±cm (12 ft±lb, 16 N±m)
(c) Using SST, tighten the five or four brake tubes.
SST 09751±36011
Torque: 155 kg±cm (11 ft±Ib, 15 N±m)(e) Temporarily install the five or four brake tubes as
shown.
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±90

4. INSTALL THREE CUSHIONS AND HOLDERS
Install the three cushions to holders and install them to the
actuator. 3. INSTALL CONTROL RELAYS
(a) Install the two control relays in position.
(b) Install the relay cap onto the control relays.
5. INSTALL CONNECTOR TO CLAMP
Install the connector to the wire harness clamp.(d) Install the wire harness clamp with a screw.(c) Install the relay case.
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±91

6. INSTALL ACTUATOR
(a) Install the actuator to the actuator bracket in place.
(b) Install the washers, wave washers and nuts.
(e) Tighten the three nuts.
Torque: 55 kg±cm (48 in.±Ib, 5.4 N¿rn)
HINT: Before installing the front right side nut, install the motor
ground terminal between the plate washer and spring washer.
8. FILL BRAKE RESERVOIR WITH BRAKE FLUID AND
BLEED BRAKE SYSTEM
9. CHECK FOR FLUID LEAKAGE
10. CHECK ACTUATOR OPERATION
(See page BR±84) (d) Using SST, connect the six brake tubes to the actua-
tor.
SST 09751±36011
Torque: 155 kg±cm (11 ft±Ib, 15 N±m)
7. CONNECT ACTUATOR CONNECTORS
(a) Connect the three connectors to the actuator.
(b) Bend the wire harness clamp as shown.
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±92

5. INSPECT SOLENOID RELAY OPERATION
(a) Apply battery voltage to terminals 1 and 3.
(b) Check that there is continuity between terminals 4
and 5.
(c) Check that there is no continuity between terminals 2
and 4.
If operation is not as specified, replace the relay.
6. INSTALL TWO CONTROL RELAYS4. INSPECT SOLENOID RELAY CONTINUITY
(a) Check that there is continuity between terminals 1
and 3.
(b) Check that there is continuity between terminals 2
and 4.
(c) Check that there is no continuity between terminals 4
and 5.
If continuity is not as specified, replace the relay. 2. INSPECT PUMP MOTOR RELAY CONTINUITY
(a) Check that there is continuity between terminals 1
and 2.
(b) Check that there is no continuity between terminals
3 and 4.
(c) Check that there is no continuity between terminals
1 and 4.
If continuity is not as specified, replace the relay.
3. INSPECT PUMP MOTOR RELAY OPERATION
(a) Apply battery voltage to terminals 1 and 2.
(b) Check that there is continuity between terminals 3
and 4.
(c) Check that there is no continuity between terminals
1 and 4.
If operation is not as specified, replace the relay.
Control Relays
INSPECTION OF CONTROL RELAYS
1. REMOVE CONTROL RELAYS
Remove the two control relays from the actuator.
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±93

INSPECTION OF FRONT SPEED
SENSOR
1. INSPECT SPEED SENSOR
(a) Remove the bolt from the pipe clamp of the wire har±
ness.
(b) Disconnect the speed sensor connector.
(e) Measure the resistance between terminals.
Resistance: 0.85 ± 1.30 K W
If resistance value is not as specified, replace the sensor.
(d) Check that there is no continuity between each termi-
nal and sensor body.
If there is continuity, replace the sensor.
(e) Connect the speed sensor connector.
(f) Install the bolt of the pipe clamp.
2. INSPECT SENSOR INSTALLATION
Check that the sensor installation bolt is tightened prop-
erly. If not, tighten the bolt.
Torque: 80 kg±cm (69 in.±Ib, 7.8 N±m)
Front Speed Sensor
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±94

INSPECTION OF FRONT SPEED SENSOR AND
SENSOR ROTOR SERRATIONS (REFERENCE)
INSPECT FRONT SPEED SENSOR AND SENSOR ROTOR
SERRATIONS BY USING AN OSCILLOSCOPE
(a) Connect an oscilloscope to the speed sensor connec-
tor.
(b) Run the vehicle at 20 km/h (12.4 mph), and inspect
speed sensor output wave.
(c) Check that C is 0.5 V or more.
If not as specified, replace the speed sensor.
(d) Check that B is 70% or more of A.
It not as specified, replace the sensor rotor. 3. VISUALLY INSPECT SENSOR ROTOR SERRATIONS
(a) Remove the two bolts and remove the torque plate
with brake cylinder.
(b) Remove the rotor disc.
(c) Inspect the sensor rotor serrations for scratches,
cracks, warping or missing teeth.
(d) Install the rotor disc and brake cylinder assembly
with two bolts.
Torque:
2WD 960 kg±cm (69 ft±ib, 94 N±m)
4WD 1,090 kg±cm (79 ft±Ib, 107 N±m)
NOTICE: To prevent damage to the serrations, do not strike
the axle hub.
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±95

INSPECTION OF REAR SPEED
SENSOR
1. INSPECT SPEED SENSOR
(a) Remove the seat cushion.
(b) Disconnect the speed sensor connector.
(e) Measure the resistance between terminals.
Resistance: 0.85 ± 1.50 k


If resistance value is not as specified, replace the sensor.
(d) Check that there is no continuity between each ter-
minal and sensor body.
If there is continuity, replace the sensor.
(e) Connect the speed sensor connector.
(f) Install the seat cushion.
Rear Speed Sensor (2WD)
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±96