1996 TOYOTA LAND CRUISER Drive

AB0119I00012 I00025
ON
OD
(−) (+)
DI−320
−
DIAGNOSTICS CRUISE CONTROL SYSTEM
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
1 Check operation of overdrive.
PREPARATION:
Test drive after engine warms up.
CHECK:
Check that overdrive ON ↔ OFF occurs with operation of OD switch ON−OFF.
NG Check and repair electronically controlledtransmission (See page DI−129 ).
OK
2 Check voltage between terminal OD of harness side connector of cruise co\
ntrol ECU and body ground.
PREPARATION:
(a) Remove the ECU with connector still connected.
(b) Turn ignition switch ON.
(c) Disconnect the ECU connector.
CHECK:
Measure voltage between terminal OD of harness side connec-
tor of ECU and body ground.
OK:
Voltage: 10 − 14 V
NG Go to step 5.
OK
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I00019
ECT
(−) (+)
−
DIAGNOSTICS CRUISE CONTROL SYSTEM
DI−321
1996 LAND CRUISER (RM451U)
3 Check voltage between terminal ECT of cruise control ECU connector and body
ground (On test drive).
PREPARATION:
(a) Connect the ECU connector.
(b) Test drive after engine warms up.
CHECK:
Check voltage between terminal ECT of ECU connector and
body ground when OD switch is ON and OFF.
OK:
OD switch positionVoltage
ON8 − 14 V
OFFBelow 0.5 V
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI−295 ).
NG
4 Check harness and connector between terminal ECT of cruise control ECU a\
nd electronically controlled transmission solenoid (See page IN−28).
NG Repair or replace harness or connector.
OK
Check and replace cruise control ECU.
5 Check harness and connector between terminal OD of cruise control ECU an\
d terminal OD1 of ECM (See page IN−28 ).
NG Repair or replace harness or connector.
OK
Check and replace cruise control ECU (See
page IN−28 ).
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EM1Q4−01
P05120A16078
1 Dot Mark
EM−4
−
ENGINE MECHANICAL VALVE CLEARANCE
507
Author: Date:
1996 LAND CRUISER (RM451U)
VALVE CLEARANCE
INSPECTION
HINT:
Inspect and adjust the valve clearance when the engine is cold.
1. DRAIN ENGINE COOLANT
2. REMOVE THROTTLE BODY (See page SF−45)
3. DISCONNECT ENGINE WIRE AND HEATER VALVE FROM COWL PANEL
(a) Remove the 2 bolts and disc onnect the ground strap and
engine wire.
(b) Remove the 2 bolts and disconnect the heater valve.
4. DISCONNECT HIGH −TENSION CORDS FROM SPARK
PLUGS (See page IG−1 )
5. REMOVE CYLINDER HEAD COVER
Remove the 13 bolts, cylinder head cover and gasket.
6. SET NO. 1 CYLINDER TO TDC/COMPRESSION
(a) Turn the crankshaft pulley, and align its groove with the timing mark ”0” of the timing chain cover.
(b) Check that the timing marks (1 and 2 dots) of the camshaft
drive and driven gears are in straight line on the cylinder
head surface as shown in the illustration.If not, turn the
crankshaft 1 revolution (360 °) and align the marks as
above.
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EM0494
EM−6
−
ENGINE MECHANICAL VALVE CLEARANCE
509
Author: Date:
1996 LAND CRUISER (RM451U)
Using SST (A), press down the valve lifter and place
SST (B) between the camshaft and valve lifter
flange. Remove SST (A).
SST 09248−06020, 09248 −55050 (09248−05510)
HINT:
Apply SST (B) at slight angle on the side marked with ”11”,
at the position shown in the illustration.
When SST (B) is inserted too deeply, it will get pinched by
the shim. To prevent it from being stuck, insert it shallowly
from the outside of the cylinder head, at a slight angle.
Remove the adjusting shim with a small screwdriver and
magnetic finger.
(b) Determine the replacement adjusting shim size by follow- ing the Formula or Charts:
Using a micrometer, measure the thickness of the
removed shim.
Calculate the thickness of a new shim so that the
valve clearance comes within specified value.
T ....... Thickness of removed shim
A ....... Measured valve clearance
N ....... Thickness of new shim
Intake: N = T + (A − 0.20 mm (0.008 in.))
Exhaust: N = T + (A − 0.30 mm (0.012 in.))
Select a new shim with a thickness as close as pos-
sible to the calculated value.
HINT:
Shims are available in 17 sized in increments of 0.05 mm
(0.0020 in.), from 2.50 mm (0.0984 in.) to 3.30 mm (0.1299 in.).
(c) Install a new adjusting shim.
Place a new adjusting shim on the valve lifter.
Using SST (A), press down the valve lifter and re-
move SST (B).
SST 09248−06020, 09248 −55050 (09248−05510)
(d) Recheck the valve clearance.
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EM0494
−
ENGINE MECHANICAL VALVE CLEARANCE
EM−7
510
Author: Date:
1996 LAND CRUISER (RM451U)
9. Rear valves of No. 6 cylinder
ADJUST VALVE CLEARANCE
(a) Remove the distributor (See page IG−10).
(b) Remove the camshafts (See page EM−28).
(c) Remove the adjusting shim with a small screwdriver.
(d) Determine the replacement adjusting shim size by follow- ing the Formula or Charts:
Using a micrometer, measure the thickness of the
removed shim.
Calculate the thickness of a new shim so that the
valve clearance comes within specified value.
T ....... Thickness of removed shim
A ....... Measured valve clearance
N ....... Thickness of new shim
Intake: N = T + (A − 0.20 mm (0.008 in.))
Exhaust: N = T + (A − 0.30 mm (0.012 in.))
Select a new shim with a thickness as close as pos-
sible to the calculated value.
HINT:
Shims are available in 17 sized in increments of 0.05 mm
(0.0020 in.), from 2.50 mm (0.0984 in.) to 3.30 mm (0.1299 in.).
(e) Place a new adjusting shim on the valve lifters.
(f) Install the camshafts (See page EM−54 ).
(g) Recheck the valve clearance.
(h) Install the distributor (See page IG−11 ).
10. REINSTALL CYLINDER HEAD COVER
(a) Install the gasket to the cylinder head cover.
(b) Install the cylinder head cover with the 13 bolts.
11. RECONNECT HIGH −TENSION CORDS TO SPARK
PLUGS (See page IG−1 )
12. RECONNECT HEA TER VALVE AND ENGINE WIRE TO
COWL PANEL
(a) Connect the heater valve with the 2 bolts.
(b) Connect the ground strap and engine wire with the 2 bolts.
13. REINSTALL THROTTLE BODY (See page SF−48 )
14. REFILL RADIATOR WITH ENGINE COOLANT
15. CHECK AND ADJUST IGNITION TIMING (See page EM−10 )
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EM1E9−01
−
ENGINE MECHANICAL TIMING CHAIN
EM−13
1996 LAND CRUISER (RM451U)
REMOVAL
1. DRAIN ENGINE OIL
2. DRAIN ENGINE COOLANT
3. REMOVE ENGINE UNDER COVER
4. REMOVE RADIATOR (See page CO−14 )
5. DISCONNECT A/C COMPRESSOR AND BRACKET
(a) Loosen the idler pulley nut and adjusting bolt, and remove
the drive belt.
(b) Remove the 4 mounting bolts, and disconnect the com- pressor from the bracket.
HINT:
Put aside the compressor, and suspend it.
(c) Remove the 5 bolts and A/C compressor bracket.
6. REMOVE RADIATOR PIPE
(a) Disconnect the No. 2 radiator hose from the water inlet.
(b) Remove the 2 nuts and radiator pipe.
7. REMOVE WATER PUMP
Remove the 4 bolts, 2 nuts, water pump and gasket.
8. REMOVE CYLINDER HEAD (See page EM−28 )
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−
ENGINE MECHANICAL TIMING CHAIN
EM−15
1996 LAND CRUISER (RM451U)
15. CHECK THRUST CLEARANCE OF OIL PUMP DRIVE
SHAFT GEAR
Using a dial indicator with lever type attachment, measure the
thrust clearance.
Standard thrust clearance:
0.040 − 0.160 mm (0.0016 − 0.0063 in.)
Maximum thrust clearance: 0.30 mm (0.0118 in.)
If the thrust clearance is greater than maximum, replace the oil
pump drive shaft gear and/or timing chain cover.
16. REMOVE DRIVE BELT IDLER PULLEY
Remove the bolt and idler pulley.
17. REMOVE TIMING CHAIN COVER
(a) Remove the 9 mounting bolts, 2 mounting nuts and drive belt adjusting bar.
(b) Remove the oil pump by prying the portions between the cylinder block and oil pump with a screwdriver.
NOTICE:
Be careful not to damage the contact surfaces of the cylin-
der block and oil pump.
(c) Remove the O−rings from the oil pump.
(d) Remove the gasket from the oil pump.
18. REMOVE TIMING CHAIN AND CAMSHAFT TIMING GEAR
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EM−16
−
ENGINE MECHANICAL TIMING CHAIN
1996 LAND CRUISER (RM451U)
19. REMOVE CRANKSHAFT TIMING GEAR
HINT:
If necessary, remove the gear with SST.
SST 09950−40010 (09951 −04010, 09952−04010,
09953 −04020, 09954 −04010, 09955 −04060),
09950 −60010 (09951 −00350)
20. REMOVE CHAIN TENSIONER SLIPPER AND VIBRA- TION DAMPER
(a) Using a 10 mm hexagon wrench, remove the bolt and slip-
per.
(b) Remove the 2 bolts and damper.
21. REMOVE OIL JET
Remove the bolt and oil jet.
22. REMOVE CRANKSHAFT ROTOR
23. REMOVE OIL PUMP DRIVE SHAFT GEAR
24. REMOVE PUMP DRIVE SHAFT GEAR
If the pump drive shaft gear cannot be removed by hand, use
2 screwdrivers.
NOTICE:
Position shop rags as shown to prevent damage.
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