TOYOTA CAMRY V20 1986 Service Information

(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

INSPECTION OF REAR SPEED SENSOR AND SENSOR
ROTOR SERRATIONS (REFERANCE)
INSPECT REAR 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.
If not as specified, replace the rear axle hub. 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: 475 kg±cm 134 ft±lb, 47 N±m)
NOTICE: To prevent damage to the serrations, do not strike
the axle hub.
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.±lb, 7.8 N±m)
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±97

REMOVAL OF REAR SPEED SENSOR
1. DISCONNECT SPEED SENSOR CONNECTOR
(a) Remove the seat cushion.
(b) Disconnect the sensor connector, and pull out the
sensor wire harness.
(e) Remove the two clamp bolts holding the sensor wire
harness to the body and suspension arm.
2. REMOVE REAR BRAKE ASSEMBLY
(a) Remove the axle carrier mounting bolt and nut of up-
per side.
(b) Remove the two bolts and remove the disc brake as-
sembly.
(c) Suspend the disc brake so the hose is not stretched.
3. REMOVE ROTOR DISC
4. REMOVE REAR AXLE HUB
(a) Remove the four axle hub mounting bolts.
(b) Remove the rear axle hub.
(c) Remove the backing plate with parking brake as-
sembly and O±ring.
5. REMOVE SPEED SENSOR
Remove the bolts and remove the speed sensor from the
backing plate.
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±98

4. INSTALL REAR BRAKE ASSEMBLY
(a) Install the disc brake assembly and torque the two
mounting bolts.
Torque: 475 kg±cm (34 ft±Ib, 47 N±m)
(b) Install the axle carrier mounting bolt and nut of upper
side.
Torque:. 2,100 kg±cm (152 ft±lb, 206 N±m)
2. INSTALL REAR AXLE HUB
(a) Install the backing plate with parking brake assem-
bly in place.
(b) Install a new O±ring to the axle carrier.
(c) Install the rear axle hub with the four bolts.
Torque: 820 kg±cm (59 ft±Ib, 80 N±m)
5. CONNECT SPEED SENSOR CONNECTOR
(a) Install the wire harness with clamps and bolts in
place.
(b) Insert the wire harness connector to inside of the ve-
hicle, and connect the connector.
(c) Install the seat cushion.
INSTALLATION OF REAR SPEED
SENSOR
1. INSTALL SPEED SENSOR
Install the speed sensor to the backing plate with a bolt.
Torque: 80 kg±cm (69 in.±Ib, 7.8 N±m)
3. INSTALL ROTOR DISC
Align the hole on the axle hub and service hole on the
disc, and install the rotor disc.
± BRAKE SYSTEMAnti±lock Brake System (A.B.S.)BR±99