1996 TOYOTA LAND CRUISER Front disc

IN0253
WRONGCORRECT
IN0252
WRONGCORRECT
IN−6
−
INTRODUCTION REPAIR INSTRUCTIONS
6
Author: Date:
1996 LAND CRUISER (RM451U)
(k) Care must be taken when jacking up and supporting the
vehicle. Be sure to lift and support the vehicle at the prop-
er locations (See page IN−8).
Cancel the parking brake on the level place and
shift the transmission in Neutral (or N position).
When jacking up the front wheels of the vehicle at
first place stoppers behind the rear wheels.
When jacking up the rear wheels of the vehicle at
first place stoppers before the front wheels.
When either the front or rear wheels only should be
jacked up, set rigid racks and place stoppers in front
and behind the other wheels on the ground.
After the vehicle is jacked up, be sure to support it
on rigid racks . It is extremely dangerous to do any
work on a vehicle raised on a jack alone, even for
a small job that can be finished quickly.
(l) Observe the following precautions to avoid damage to the
following parts:
(1) Do not open the cover or case of the ECU unless absolutely necessary. (If the IC terminals are
touched, the IC may be destroyed by static electric-
ity.)
(2) To disconnect vacuum hoses, pull off the end, not the middle of the hose.
(3) To pull apart electrical connectors, pull on the con- nector itself, not the wires.
(4) Be careful not to drop electrical components, such
as sensors or relays. If they are dropped on a hard
floor, they should be replaced and not reused.
(5) When steam cleaning an engine, protect the elec- tronic components, air filter and emission −related
components from water.
(6) Never use an impact wrench to remove or install temperature switches or temperature sensors.
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IN0IO−01
BO4111
Negative Cable
−
INTRODUCTION FOR ALL OF VEHICLES
IN−9
9
Author: Date:
1996 LAND CRUISER (RM451U)
FOR ALL OF VEHICLES
PRECAUTION
1. FOR VEHICLES EQUIPPED WITH SRS AIRBAG AND
SEAT BELT PRETENSIONER
(a) The LAND CRUISER is equipped with an SRS (Supple-
mental Restraint System), such as the driver airbag and
front passenger airbag assembly.
Failure to carry out service operations in the correct se-
quence could cause the supplemental restraint system to
unexpectedly deploy during servicing, possibly leading to
a serious accident.
Further, if a mistake is made in servicing the supplemental
restraint system, it is possible the SRS may fail to operate
when required. Before servicing (including removal or
installation of parts, inspection or replacement), be sure
to read the following items carefully, then follow the cor-
rect procedure described in this manual.
(b) GENERAL NOTICE (1) Malfunction symptoms of the supplemental re-straint system are difficult to confirm, so the diag-
nostic trouble codes become the most important
source of information when troubleshooting. When
troubleshooting the supplemental restraint system,
always inspect the diagnostic trouble codes before
disconnecting the battery (See page DI−240).
(2) Work must be started after 90 seconds from the
time the ignition switch is turned to the ”LOCK” posi-
tion and the negative ( −) terminal cable is discon-
nected from the battery.
(The supplemental restraint system is equipped
with a back−up power source so that if work is
started within 90 seconds of disconnecting the neg-
ative (−) terminal cable from the battery, the SRS
may deploy.)
When the negative (−) terminal cable is discon-
nected from the battery, memory of the clock and
audio systems will be cancelled. So before starting
work, make a record of the contents memorized by
the each memory system. Then when work is fin-
ished, reset the clock and audio systems as before.
To avoid erasing the memory of each memory sys-
tem, never use a back− up power supply from anoth-
er battery.
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IN−10
−
INTRODUCTION FOR ALL OF VEHICLES
10
Author: Date:
1996 LAND CRUISER (RM451U)
(3) Even in cases of a minor collision where the SRS
does not deploy, the steering wheel pad (See page
RS−9) and front passenger airbag assembly (See
page RS−23 ) should be inspected.
(4) Never use SRS parts from another vehicle. When replacing parts, replace them with new parts.
(5) Before repairs, remove the airbag sensor if shocks
are likely to be applied to the sensor during repairs.
(6) Never disassemble and repair the airbag sensor as-
sembly, steering wheel pad or front passenger air-
bag assembly in order to reuse them.
(7) If the airbag sensor assembly, steering wheel pad
or front passenger airbag assembly have been
dropped, or if there are cracks, dents or other de-
fects in the case, bracket or connector, replace
them with new ones.
(8) Do not directly expose the airbag sensor assembly, steering wheel pad or front passenger airbag as-
sembly to hot air or flames.
(9) Use a volt/ohmmeter with high impedance (10 kΩ/V
minimum) for troubleshooting of the electrical cir-
cuit.
(10) Information labels are attached to the periphery of the SRS components. Follow the instructions on the
notices.
(11) After work on the supplemental restraint system is completed, check the SRS warning light (See page
DI−240 ).
(c) SPIRAL CABLE (in Combination Switch) The steering wheel must be fitted correctly to the steering
column with the spiral cable at the neutral position, other-
wise cable disconnection and other troubles may result.
Refer to SR−19 of this manual concerning correct steer-
ing wheel installation.
RedMarkROOJll
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Z13952
Example:CORRECT WRONG
Z13951
Example:
IN−12
−
INTRODUCTION FOR ALL OF VEHICLES
12
Author: Date:
1996 LAND CRUISER (RM451U)
(e) FRONT PASSENGER AIRBAG ASSEMBLY
(1) Always store a removed or new front passenger air-
bag assembly with the airbag deployment direction
facing up.
Storing the airbag assembly with the airbag deploy-
ment direction facing down could cause a serious
accident if the airbag inflates.
(2) Never measure the resistance of the airbag squib. (This may cause the airbag to deploy, which is very
dangerous.)
(3) Grease should not be applied to the front passen- ger airbag assembly and the airbag door should not
be cleaned with detergents of any kind.
(4) Store the airbag assembly where the ambient tem- perature remains below 93 °C (200° F), without high
humidity and away from electrical noise.
(5) When using electric welding, first disconnect the air-
bag connector (yellow color and 2 pins) installed on
the assembly before starting work.
(6) When disposing of a vehicle or the airbag assembly
alone, the airbag should be deployed using an SST
before disposal (See page RS−25).
Perform the operation in a safe place away from
electrical noise.
o
R08766
R05648 R05649R06952
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V08425
LOCKKNK
E6 Connector
(a) Remove the glove compartment (See page SF− 68).
(b) Disconnect the E6 connector from the ECM.
INSPECTION PROCEDURE
Replace knock sensor.
1 Check continuity between terminal KNK of ECM connector and body ground.
OK:
Check knock sensor (See page SF−61).
Measure
the resistance between terminal KNK of the ECM connec-
tor and body ground.
Resistance: 1 MΩ or higher
Connector being checked is connected.
 Indicates the condition of the connector of ECU during the check.
PREPARATION:
CHECK:
2
Go to step 3.
OK OK
NG
 Indicates the position of the ignition switch during the check.
Check from the connector back side.
(with harness)
Ignition Switch LOCK (OFF) Ignition Switch START
LOCKIgnition Switch ONIgnition Switch ACC
START ON
ACC

 Indicates the place to check the voltage or resistance.
 Indicates the connector position to checked, from the front or back side.
Connector being checked is disconnected.
Check from the connector front side. (without harness)
In this case, care must be taken not to bend the terminals.
E6 Connector
KNK Wire Harness
E6 Connector
KNK
A00255
AB0117
A00265
Inspection Procedure
Use the inspection procedure to determine if
the circuit is normal or abnormal, and, if it is
abnormal, use it to determine whether the
problem is
located in the sensors, actuators,
wire harness or ECU.
−
INTRODUCTION HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMSIN−27
1996 LAND CRUISER (RM451U)
(2)
(2)
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−
INTRODUCTION TERMS
IN−35
35
Author: Date:
1996 LAND CRUISER (RM451U)
H/B
Hatchback
H−FUSEHigh Current Fuse
HIHigh
HIDHigh Intensity Discharge (Head Lamp)
HPUHydraulic Power Unit
HSGHousing
HTHard Top
HWSHeated Windshield System
IACIdle Air Control
ICIntegrated circuit
IDIIndirect Diesel Injection
IFSIndependent Front Suspension
IGIgnition
IIAIntegrated Ignition Assembly
INIntake (Manifold, V
alve)
INTIntermittent
I/PInstrument Panel
IRSIndependent Rear Suspension
J/BJunction Block
J/CJunction Connector
KDKick−Down
LANLocal Area Network
LBLiftback
LCDLiquid Crystal Display
LEDLight Emitting Diode
LHLeft−Hand
LHDLeft−Hand Drive
L/H/WLength, Height, Width
LLCLong− Life Coolant
LNGLiquified Natural Gas
LOLow
LPGLiquified Petroleum Gas
LSDLimited Slip Dif ferential
LSP & PVLoad Sensing Proportioning And Bypass V alve
LSPVLoad Sensing Proportioning Valve
MAX.Maximum
M−FUSEMedium Current Fuse
MICMicrophone
MILMalfunction Indicator Lamp
MIN.Minimum
MPMultipurpose
MPXMultiplex Communication System
M/TManual Transmission (T ransaxle)
MTMount
MTGMounting
NNeutral
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AC3JN−01
−
AIR CONDITIONING FRONT BLOWER MOTOR
AC−51
1378
Author: Date:
1996 LAND CRUISER (RM451U)
FRONT BLOWER MOTOR
REMOVAL
1. REMOVE RH SCUFF PLATE
2. REMOVE BLOWER MOTOR
(a) Disconnect the link from the lower cover.
(b) Remove the 2 screws, then remove the lower cover while
pushing the locking protrsion, as shown.
(c) Disconnect the connector from the blower motor.
(d) Remove the 3 screws and blower motor.
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N14323
AC2S0−02
N14324
N06504
AC−54
−
AIR CONDITIONING REAR BLOWER MOTOR
1381
Author: Date:
1996 LAND CRUISER (RM451U)
REAR BLOWER MOTOR
REMOVAL
1. REMOVE FRONT RH SEAT
2. REMOVE BLOWER MOTOR
(a) Disconnect the connectors from the blower motor and
rear heater relay.
(b) Remove the bolt and rear heater relay.
(c) Remove the 2 screws and side cover.
(d) Remove the bolt and 7 screws, then remove the upper cover with the blower motor.
(e) Remove the 3 screws and the blower motor.
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