1986 TOYOTA LAND CRUISER steering wheel

F02201
DLC1 E1
TcTs
BR3904
0.13 sec. 0.13 sec.
ON
OFF
F02135
Start Position
End PositionWithin ± 5° DI-514
- DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEM
707 Author
: Date
:
2004 LAND CRUISER (RM1071U)
(a) Procedures for test mode:
(1) Turn the ignition switch OFF.
(2) Check that the shift lever is in the P position, and
turn the steering wheel to the neutral position.
(3) Using SST, connect terminals Ts and E
1 of the
DLC1.
SST 09843-18020
(4) Start the engine.
(5) Check that the VSC TRAC warning light blinks.
HINT:
If the VSC TRAC warning light does not blink, inspect the VSC
TRAC warning light circuit and Ts terminal circuit (See page
DI-631 and DI-653).
Turn the steering wheel either to the left or right 450° or
more from the vehicle stationary condition, and turn back
the steering wheel to the straight ahead position.
(b) Keep the vehicle stationary on a level place for 1 sec. or
more.
(c) Check the yaw rate sensor.
Shift the shift lever to the D position and drive the vehicle
at a vehicle speed of approx. 5 km/h (3 mph), turn the
steering wheel either to the left or right 90° or more, and
maintain this angle until the vehicle has turned 180°.
Stop the vehicle and shift the shift lever to the P
position. Check that the VSC buzzer sounds for 3
sec.
If the VSC buzzer sounds, the sensor check is in normal
completion.
If the VSC buzzer does not sound, do the sensor check again.
If the VSC buzzer still does not sound, check the VSC buzzer
circuit, then do the sensor check again.
Trouble AreaSee page
VSC buzzer circuitDI-649
HINT:

Make a 180° turn. At the end of the turn, the direction of
the vehicle should be within 180°± 5° of its start position.

Do not spin the wheels.
(d) Read the DTC.
(1) Using SST, connect terminals Tc and E
1 of the
DLC1 or Tc and CG of the DLC3.
SST 09843-18020 or 09843-18040
(2) Read the number of times the VSC TRAC warning
light blinks.
HINT:

See the list of DTC shown on the next page.

If every sensor is normal, a normal code is output. (A cycle
of 0.25 sec. ON and 0.25 sec. OFF is repeated.)

DI-524- DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEM
717 Author
: Date
:
2004 LAND CRUISER (RM1071U) BZ (A42 - 2) - GND (A41 - 6,
31, A42 - 8, 17)
L - W-BIG switch ON, VSC buzzer sound can be heardBelow 1.5 V
D/G (A42 - 3) - GND (A41 - 6,
31, A42 - 8, 17)V-W - W-BIG switch ON10 to 14 V
P (A42 - 5) - GND (A41 - 6,
31, A42 - 8, 17)G-W - W-BIG switch ON, shift lever is in P position10 to 14 V
IG1 (A42 - 6) - GND (A41 - 6,
31, A42 - 8, 17)B-W - W-BIG switch ON10 to 14 V
NEO (A42 - 7) - GND (A41 -
6, 31, A42 - 8, 17)W - W-BEngine idlingPulse generation
STP (A42 - 10) - GND (A41 -GW WBStop light switch pushed in10 to 14 VSTP (A42 10) GND (A41
6, 31, A42 - 8, 17)G-W - W-BStop light switch released2 to 5 V
Tc (A42 - 11) - GND (A41 - 6,PB WBIG switch ON and terminals Tc-E1 of DLC1 connectedBelow 1.0 VTc (A42 11 ) GND (A41 6,
31, A42 - 8, 17)P-B - W-BIG switch ON and terminals Tc-E1 of DLC1 not connected10 to 14 V
Ts (A42 - 12) - GND (A41 - 6,WWBIG switch ON and terminals Ts-E1 of DLC1 connectedBelow 1.0 VTs (A42 12) GND (A41 6,
31, A42 - 8, 17)W - W-BIG switch ON and terminals Ts-E1 of DLC1 not connected10 to 14 V
PKB (A42 - 13) - GND (A41 -RW WBIG switch ON, parking brake switch ONBelow 1.5 VPKB (A42 13) GND (A41
6, 31, A42 - 8, 17)R-W - W-BIG switch ON, parking brake switch OFF10 to 14 V
ENG+ (A42 - 14) - ENG -
(A42 - 22)R - GIG switch ONPulse generation
RL+ (A42 - 18) - RL- (A42 -
19)R - GIG switch ON, slowly turn left rear wheelAC generation
RR+ (A42 - 20) - RR- (A42 -
21)B - WIG switch ON, slowly turn right rear wheelAC generation
TRC+ (A42 - 24) - TRC- (A42
- 16)Y - LIG switch ONPulse generation
EXI2 (A43 - 2) - GND (A41 -BL WBIG switch ON, transfer in L4 position8 to 14 VEXI2 (A43 2) GND (A41
6, 31, A42 - 8, 17)B-L - W-BIG switch ON, transfer in any position except L4Below 1.5 V
EXI (A43 - 3) - GND (A41 - 6,PB WBIG switch ON, center diff. lock switch ONBelow 2.0 VEXI (A43 3) GND (A41 6,
31, A42 - 8, 17)P-B - W-BIG switch ON, center diff. lock switch OFF10 to 14 V
VSCW (A43 - 4) - GND (A41 -LW WBIG switch ON, VSC TRAC warning light ONBelow 2.0 VVSCW (A43 4) GND (A41
6, 31, A42 - 8, 17)L-W - W-BIG switch ON, VSC TRAC warning light OFF10 to 14 V
BRL (A43 - 5) - GND (A41 - 6,YG WBIG switch ON, BRAKE warning light ON10 to 14 VBRL (A43 5) GND (A41 6,
31, A42 - 8, 17)Y-G - W-BIG switch ON, BRAKE warning light OFFBelow 2.0 V
IND (A43 - 6) - GND (A41 - 6,LB WBIG switch ON, SLIP indicator light ONBelow 2.0 VIND (A43 6) GND (A41 6,
31, A42 - 8, 17)L-B - W-BIG switch ON, SLIP indicator light OFF10 to 14 V
WT (A43 - 7) - GND (A41 - 6,LR WBIG switch ON, VSC OFF indicator light ONBelow 2.0 VWT (A43 7) GND (A41 6,
31, A42 - 8, 17)L-R - W-BIG switch ON, VSC OFF indicator light OFF10 to 14 V
VYS (A43 - 9) - GYAW (A43 -
27)B - W-RIG switch ON4.5 to 5.5 V
GL2 (A43 - 10) - GYAW (A43 -
27)Y - PIG switch ON, vehicle is placed on the horizontal surface2.0 to 3.0 V
SS1+ (A43 - 14) - SS1- (A43 -
23)W - GEngine idling, slowly turn steering wheelPulse generation
(See page DI-546)
INFR (A43 - 15) - GND (A41 -BR WBIG switch ON, ACTIVE TRAC indicator light ONBelow 1.5 VINFR (A43 15) GND (A41
6, 31, A42 - 8, 17)B-R - W-BIG switch ON, ACTIVE TRAC indicator light OFF10 to 14 V
YD (A43 - 19) - GND (A41 - 6,
31, A42 - 8, 17)L - W-BApprox. 1 sec. after IG switch ON4.5 to 5.3 V

I25004
CCS
I24843
+/RES
ON-
OFF
-/SET
CANCEL
45
- DIAGNOSTICSCRUISE CONTROL SYSTEM
DI-999
1192 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION PROCEDURE
1 Check voltage between terminal CCS of ECM connector and body ground.
PREPARATION:
(a) Remove the ECM with connector still connected.
(b) Turn ignition switch ON.
CHECK:
Measure voltage between terminal CCS of ECM connector and
body ground, when each of the -/SET, +RES and CANCEL is
turned ON.
OK:
Switch PositionVoltage
Neutral9 - 14 V
+/RES2.1 - 4 V
-/SET4 - 7.1 V
CANCEL6 - 10.1 V
OK Proceed to next circuit inspection shown on
problem symptom table (See page DI-991).
NG
2 Check main switch continuity.
PREPARATION:
(a) Remove steering wheel center pad (See page SR-9).
(b) Disconnect the control switch connector.
CHECK:
(a) Measure resistance between terminals 4 and 5 of cruise
control switch connector when control switch is operated.
Switch positionResistance (W)
Neutral8(No continuity)
+/RES210 - 270
-/SET560 - 700
CANCEL1380 - 1700
(b) Check continuity between terminals 4 and 5 of control
switch connector when main switch is held on and off.
OK:
Switch positionTester connectionSpecified condition
OFF4 - 5No continuity
ON4 - 5Continuity

F03702
ON
Up
Down TOYOTA
Hand-held
Tester
F05991
Tilt MotorTilt Motor
Connector
Telescopic Motor
Connector
DI-682- DIAGNOSTICSPOWER TILT AND POWER TELESCOPIC STEERING
COLUMN
875 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION PROCEDURE
In case of using TOYOTA hand-held tester, start inspection from step 1.
In case of not using TOYOTA hand-held tester, start inspection from step 2.
1 Check tilt motor operation using TOYOTA hand-held tester.
PREPARATION:
(a) Connect the TOYOTA hand-held tester to the DLC3.
(b) Turn ignition switch ON and push the TOYOTA hand-held
tester main switch ON.
(c) Select the ACTIVE TEST mode on the TOYOTA hand-
held tester.
CHECK:
Check that the steering wheel tilt up (down) and confirm that tilt
position value change when the ACTIVE TEST carried out.
OK:
Steering wheel must be moved upward (downward).
Tilt position value must be changed.
OK Proceed to next circuit inspection shown on the
problem symptoms table (See page DI-663).
NG
2 Check tilt motor.
PREPARATION:
(a) Disconnect tilt motor connector and telescopic motor con-
nector.
(b) Remove tilt motor (See page SR-30).
CHECK:
Connect telescopic motor connector to tilt motor. Then confirm
that tilt motor moved when operating the manual switch.
NG Replace tilt motor.
OK

DI3IY-09
H05146
A28
D Squib
Spiral CableY-B
Y1
II4
2
II4Y-B
YAirbag Sensor Assembly
14
C26
13D+
D- 1
2
C26
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-71 1
904 Author
: Date
:
2004 LAND CRUISER (RM1071U)
CIRCUIT INSPECTION
DTC B0100/13 Short in D Squib Circuit
CIRCUIT DESCRIPTION
The D squib circuit consists of the airbag sensor assembly, the spiral cable and the steering wheel pad.
It causes the airbag to deploy when the airbag deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B0100/13 is recorded when a short is detected in the D squib circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0100/13

Short in D squib circuit

D squib malfunction

Spiral cable malfunction

Airbag sensor assembly malfunction
Steering wheel pad (D squib)

Spiral cable

Airbag sensor assembly

Dash wire

Column wire
WIRING DIAGRAM

H19229H21259H20678
D Squib
D+
(-) (+) D-
Spiral
CableAirbag
Sensor
Assembly
DI-712
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
905 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-923).
2 Check connector.
CHECK:
Make sure that the orange spiral cable connector is not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
NG Replace spiral cable.
OK
3 Check D squib circuit.
PREPARATION:
Release the airbag activation prevention mechanism built in the
connector on the airbag sensor assembly side between the
steering wheel pad (D squib) and the airbag sensor assembly
(See page DI-692).
CHECK:
Measure the resistance between D+ and D- of the orange con-
nector on the steering wheel pad (D squib) side between the air-
bag sensor assembly and the steering wheel pad (D squib).
OK:
Resistance: 1 MW or Higher
NG Go to step 6.
OK

AB0119FI1390H10600
H21267
H20680
D Squib
Airbag
Sensor
Assembly
CG
TCON
DTC B0100/13
DLC3
" uSpiral
Cable
DI-714
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
907 Author
: Date
:
2004 LAND CRUISER (RM1071U)
5 Check D squib.
PREPARATION:
(a) Turn the ignition switch to LOCK.
(b) Disconnect the negative (-) terminal cable from the bat-
tery, and wait at least for 90 seconds.
(c) Connect the steering wheel pad (D squib) to the spiral
cable.
(d) Connect the negative (-) terminal cable to the battery,
and wait at least for 2 seconds.
CHECK:
(a) Turn the ignition switch to ON, and wait at least for 10 se-
conds.
(b) Clear DTC stored in memory (See page DI-692).
(c) Turn the ignition switch to LOCK, and wait at least for 10
seconds.
(d) Turn the ignition switch to ON, and wait at least for 10 se-
conds.
(e) Check the DTC (See page DI-692).
OK:
DTC B0100/13 is not output.
HINT:
Codes other than code B0100/13 may be output at this time, but
they are not relevant to this check.
NG Replace steering wheel pad (D squib).
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check.

H19229H21268H20681
D SquibAirbag
Sensor
Assembly
D+ u"
D-
(+) (-) Column Wire
Spiral
Cable
H16854H21269H20682
D Squib
Airbag
Sensor
Assembly
D+ u"
D-
(-)
(+) Column Wire
Dash Wire
Spiral
Cable
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-715
908 Author
: Date
:
2004 LAND CRUISER (RM1071U)
6 Check spiral cable.
PREPARATION:
(a) Disconnect the spiral cable connector from the column
wire.
(b) Release the airbag activation prevention mechanism built
in the connector of the spiral cable on the airbag sensor
assembly side (See page DI-692).
CHECK:
Measure the resistance between D+ and D- of the orange spi-
ral cable connector on the steering wheel pad (D squib) side.
OK:
Resistance: 1 MW or Higher
NG Replace spiral cable.
OK
7 Check column wire.
PREPARATION:
(a) Disconnect the column wire connector from the dash
wire.
(b) Release the airbag activation prevention mechanism built
in the connector of the column wire on the airbag sensor
assembly side (See page DI-692).
CHECK:
Measure the resistance between D+ and D- of the column wire
connector on the spiral cable side.
OK:
Resistance: 1 MW or Higher
NG Repair or replace column wire.
OK