1996 TOYOTA LAND CRUISER brake fluid

BR1D6−01
BR−38
−
BRAKE REAR BRAKE CALIPER
1996 LAND CRUISER (RM451U)
INSTALLATION
Installation is in the reverse order of removal (See page BR−34 ).
HINT:
After installation, fill brake reservoir with brake fluid, bleed brake system\
(See page BR−4) and check for
leaks.
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BR1DC−04
R05477
A
−
BRAKE LOAD SENSING PROPORTIONING AND BY− PASS
VALVE (LSP & BV)BR−45
1027
Author: Date:
1996 LAND CRUISER (RM451U)
ON−VEHICLE INSPECTION
1. SET REAR AXLE LOAD
Rear axle load (include vehicle weight):
1,330 kg (2,932 lb)
2. INSTALL LSPV GAUGE (SST) AND BLEED AIR SST 09709−29018
3. RAISE FRONT BRAKE PRESSURE TO 7,845 kPa (80 kgf/cm
2, 1,138 psi) AND CHECK REAR BRAKE PRES-
SURE
Rear brake pressure:
5,984 ± 589 kPa (61 ± 6 kgf/cm
2, 869± 86 psi)
HINT:
The brake pedal should not be depressed twice and/or returned
while setting to the specified pressure. Read the value of rear
pressure 2 seconds a fter adjusting the specified fluid pressure.
4. IF NECESSARY, ADJUST FLUID PRESSURE
(a) Disconnect the No.2 shackle from the shackle bracket.
(b) Adjust the length of the No.2 shackle turning it. Low pressure − Lengthen A.
High pressure − Shorten A
Initial set: 90 mm (3.54 in.)
Adjusting range: 84 − 96 mm (3.31 − 3.78 in.)
HINT:
One turn of the No.2 shackle changes the fluid pressure by
about 98.1 kPa (1.0 kgf/cm
2, 14.2 psi).
(c) In event the pressure cannot be adjusted by No.2 shackle, raise or lower the valve body.
Low pressure − Lower
High pressure − Raise
(d) Torque the 2 nuts. Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)
(e) Adjust the length of the No.2 shackle again.
If it cannot be adjusted, inspect the valve housing.
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BR1DH−01
R05477
A
BR−52−
BRAKE LOAD SENSING PROPORTIONING AND BY− PASS
VALVE (LSP & BV)
1996 LAND CRUISER (RM451U)
INSTALLATION
1. INSTALL LSP & BV ASSEMBLY
Install the LSP & BV assembly to the frame with the 4 bolts. Torque: 25 N·m (260 kgf·cm, 19 ft·lbf)
2. CONNECT SHACKLE NO.2 TO BRACKET
(a) Set the dimension A by turning shackle No.2. Initial set: 90 mm (3.54 in.)
(b) Tighten the lock nut. Torque: 25 N·m (250 kgf·cm, 18 ft·lbf)
(c) Install the 2 bushings and collar to the load sensing spring
shackle.
(d) Install the load sensing spring shackle to the shackle bracket with a retainer and nut.
Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)
(e) Install a new cotter pin.
3. CONNECT BRAKE LINES
Using SST, connect the 3 brake lines. SST 09751−36011
Torque: 15 N·m (155 kgf·cm, 11 ft·lbf)
4. SET REAR AXLE LOAD (See page BR−45 )
5. SET VALVE BODY
(a) When pulling down the load sensing spring, confirm that the valve piston moves down smoothly.
(b) Position the valve body so that the valve piston lightly contacts the load sensing spring.
(c) Tighten the 2 valve body mounting nuts. Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)
6. BLEED BRAKE SYSTEM (See page BR−4 )
7. CHECK FLUID LEAKAGE
8. CHECK AND ADJUST LSP & BV FLUID PRESSURE (See page BR−45 )
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BR1DL−01
−
BRAKE ABS ACTUATOR
BR−59
1996 LAND CRUISER (RM451U)
INSTALLATION
Installation is in the reverse order of removal (See page BR−57 ).
HINT:
After installation, fill the brake reservoir with brake fluid, bleed bra\
ke system (see page BR−4) and check
for leaks.
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AT3417
OK if hot
Add if hot
Q07273
−
DIAGNOSTICS AUTOMATIC TRANSMISSION
DI−137
1996 LAND CRUISER (RM451U)
(e) P position test.
Stop the vehicle on a grade (more than 5 °) and after shifting into the P position, release the parking
brake. Then, check to see that the parking lock pawl holds the vehicle i\
n place.
6. BASIC INSPECTION
(a) Check the fluid level.
HINT:
Drive the vehicle so that the engine and transmission are
at normal operating temperature.
Fluid temp.: 70 − 80°C (158 − 176° F)
Only use the COOL range on the dipstick as a rough refer-
ence when the ATF is replaced or the engine does not
run.
(1) Park the vehicle on a level surface and set the park-
ing brake.
(2) With the engine idling and the brake pedal de- pressed, shift the shift lever into all positions from P
to L position and return to P position.
(3) Pull out the dipstick and wipe it clean.
(4) Push it back fully into the pipe.
(5) Pull it out and check that the fluid level is in the HOT range.
If the level is at the low side, add new fluid. Fluid type: ATF DEXRON ®II
NOTICE:
Do not overfill.
(b) Check the fluid condition. If the fluid smells burnt or is black, replace it.
(c) Replace the ATF. (1) Remove the drain plug and drain the ATF.
(2) Reinstall the drain plug securely.
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DI−140
−
DIAGNOSTICS AUTOMATIC TRANSMISSION
1996 LAND CRUISER (RM451U)
(6) Shift into the D position. Press all the way down on the accelerator pedal wi\
th your right foot.
Quickly read the stall speed at this time.
Stall speed: 1,950 ± 150 rpm
(7) Do the same test in R position.
Stall speed: 1,950 ± 150 rpm
Evaluation:
ProblemPossible cause
Stall speed low in D and R positions
 Engine output may be insuf ficient
 Stator one− way clutch is operating properly
HINT:
If more than 600 rpm below the specified value, the torque con-
verter clutch could be faulty.
Stall speed high in D position
 Line pressure too low
 Forward clutch slipping
 No. 2 one− way clutch not operating properly
 O/D one− way clutch not operating properly
Stall speed high in R position
Line pressure too low
 Direct clutch slipping
 1st and reverse brake slipping
 O/D clutch slipping
Stall speed high in D and R positions
Line pressure too low
 Improper fluid level
 O/D one− way clutch not operating properly
(b) Measure the time lag.
When the shift lever is shifted while the engine is idling, there will be a certain time lapse o\
r lag before
the shock can be felt. This is used for checking the condition of the O/D d\
irect clutch, forward clutch,
direct clutch and 1st and reverse brake.
NOTICE:
Do the test at normal operating ATF temperature 50 − 80°C (122 − 176° F).
Be sure to allow 1 minute interval between tests.
Take 3 measurements and take the average value.
(1) Fully apply the parking brake.
(2) Start the engine and check idle speed.
Idle speed: 650 ± 50 rpm (In N position and air conditioner OFF)
(3) Shift the shift lever from N to D position. Using a stop watch, measure the ti\
me it takes from shift-
ing the lever until the shock is felt.
In the same manner, measure the time lag for N → R.
Time lag: N → D Less than 1.2 seconds
In the same way, measure the time lag for N → R.
Time lag: N → R Less than 1.5 seconds
If N → D time or N → R time lag is longer than specified:
Evaluation:
ProblemPossible cause
N → D time lag is longer
Line pressure too low
 Forward clutch worn
 O/D one− way clutch not operating properly
N → R time lag is longer
Line pressure too low
 Direct clutch worn
 1st and reverse brake worn
 O/D one− way clutch not operating properly
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−
DIAGNOSTICS AUTOMATIC TRANSMISSION
DI−141
1996 LAND CRUISER (RM451U)
8. HYDRAULIC TEST
Measure the line pressure.
NOTICE:
Do the test at normal operation ATF temperature 50 − 80°C (122 − 176° F).
The line pressure test should always be carried out in pairs. One techni\
cian should observe
the conditions of wheels or wheel stoppers outside the vehicle while the ot\
her is doing the test.
Be careful to prevent SST’s hose from interfering with the exhaust pipe.
(1) Warm up the ATF.
(2) Remove the test plug on the transmission case right side and connect SST\
(See page AT−18
for the location to connect SST).
SST 09992 −00094 (09992 −00150, 09992−00270)
(3) Fully apply the parking brake and chock the 4 wheels.
(4) Start the engine and check idling speed.
(5) Keep your left foot pressed firmly on the brake pedal and shift into D p\
osition.
(6) Measure the line pressure when the engine is idling.
(7) Press the accelerator pedal all the way down. Quickly read the highest line pr\
essure when engine
speed reaches stall speed.
NOTICE:
Release the accelerator pedal and stop test if the rear wheels begin to rotate before the engine speed
reaches the specified stall speed.
(8) In the same manner, do the test in R position.
Specified line pressure:
Condition D position kPa (kgf/cm2, psi) R position kPa (kgf/cm2, psi)
Idling422 −
481 (4.3 − 4.9, 61 − 70)510 − 608 (5.2 − 6.2, 74 − 88)
Stall1,285 − 1,530 (13.1 − 15.6, 128 − 153)1,579 − 1,932 (16.1 − 19.7, 158 − 193)
If the measured pressures are not up to specified values, recheck the thro\
ttle cable adjustment and retest.
Evaluation:
ProblemPossible cause
If the measured value at all positions are higher
Throttle cable out of adjustment
 Throttle valve defective
 Regulator valve defective
If the measured value at all positions are lower
Throttle cable out of adjustment
 Throttle valve defective
 Regulator valve defective
 Oil pump defective
 O/D direct clutch defective
If pressure is low in the D position onlyD position circuit fluid leakage
 Forward clutch defective
If pressure is low in the R position only
R position circuit fluid leakage
 Direct clutch defective
 1st and reverse brake defective
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DI5LT−02
Vehicle Brought to Workshop
Customer Problem Analysis
P. DI−189
Check and Clear DTC (Pre−check)
P.
DI−190
Items inside are titles of pages in this manual,
with the page number in the bottom portion. See
the indicated pages for detailed explanations.
Problem Symptom ConfirmationSymptom Simulation
P. IN−18

Symptom
does not occur
Symptom
occurs
DTC Check
P. DI−190
Sensor CheckCircuit Inspection
P. DI−201 − DI−235
DTC Chart
P. DI−196
Malfunction codeProblem Symptoms Table
P. DI−200
Check for Fluid Leakage
P. DI−237
Identification of Problem
Normal code
Repair
Confirmation Test
End
1
2
3
4
5
6 7
8 9
10 11 Step 8: Diagnostic steps permitting the use of the
TOYOTA hand−held tester or TOYOTA
breake −out−box.
DI−188
−
DIAGNOSTICS ANTI−LOCK BRAKE SYSTEM
355
Author: Date:
1996 LAND CRUISER (RM451U)
ANTI−LOCK BRAKE SYSTEM
HOW TO PROCEED WITH TROUBLESHOOTING
Troubleshoooting in accordance with the procedure on the following pages.
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