1996 TOYOTA LAND CRUISER Ignition switch

BE3840
Q07359D00023
ON
-
DIAGNOSTICS AUTOMATIC TRANSMISSION
DI-186
1996 LAND CRUISER (RM451U)
INSPECTION PROCEDURE
1 Check operation of 2nd start switch.
CHECK:
(a) Turn the ignition switch ON.
(b) Check º2nd STRTº indicator light when 2nd start switch is
pushed in to ON.
OK:
º2nd STRTº indicator light lights up.
CHECK:
Check º2nd STRTº indicator light when 2nd start switch is
pushed again, or PWR mode switch is pushed into OFF.
OK:
º2nd STRTº indicator light goes off. When PWR mode
switch is pushed in to ON, º2nd STRTº indicator light
goes off, and ºPWRº indicator light lights up.
OK Proceed to next circuit inspection shown on matrix chart (See page DI-150).
NG
2 Check 2nd start indicator bulb.
NG Replace 2nd start indicator bulb.
OK
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Q08234
D00096
ONHOLD
HI
DI-187
-
DIAGNOSTICS AUTOMATIC TRANSMISSION
1996 LAND CRUISER (RM451U)
3 Check 2nd start switch.
PREPARATION:
Disconnect the pattern select switch connector.
CHECK:
Check continuity between terminals 2 and 5 of pattern select
switch connector when pattern select switch is set to 2nd start
switch ON and OFF.
OK:
2nd start switchSpecified condition
Press continuously º2ndº switch0 W (Continuity)
Release º2ndº switch8 W (open)
NG Replace pattern select switch.
OK
4 Check voltage between terminals HOLD and HI of ECM and body ground.
PREPARATION:
(a) Turn ignition switch ON.
(b) Disconnect the connector of ECM.
CHECK:
Check voltage between terminal HOLD of ECM and body
ground when the select switch is set to 2nd start switch ON and
OFF.
OK:
2nd start switchVoltage
ON9 - 14 V
OFFBelow 1.5 V
CHECK:
Check voltage between terminal HI of ECM and body ground.
OK:
Voltage: 7.5 - 14 V
OK Check and replace the ECM.
NG
Check and replace harness and connector between battery and patten select swi\
tch, pattern se-
lect switch and ECM, battery and 2nd start indicator light , 2nd start indic\
ator light and ECM
(See page IN-27 ).
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R04751
DI5LV−02
F00006
DLC1Short Pin
F00007
DLC1
E1Tc
DI−190
−
DIAGNOSTICS ANTI−LOCK BRAKE SYSTEM
1996 LAND CRUISER (RM451U)
PRE−CHECK
1. DIAGNOSIS SYSTEM
(a) Check the indicator.
When the ignition switch is turned ON, check that the ABS
warning light goes on for 3 seconds.
HINT:
If the indicator check result is not normal, proceed to trou-
bleshooting for the ABS warning light circuit (See page
DI−230 ).
When the transfer is in L position (center dif ferential lock),
the ABS does not operate and the ABS warning light
stays ON.
(b) Check the DTC. (1) Confirm that the center differential is free.
(2) Disconnect the short pin from the DLC1.
(3) Using SST, connect terminals Tc and E
1 of the
DLC1.
SST 09843−18020
(4) Turn the ignition switch ON.
(5) Read the DTC from the ABS warning light on the combination meter.
HINT:
If no code appears, inspect the diagnostic circuit or ABS
warning light circuit (See page DI−233 or DI−230 ).
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R01346
Normal Code
0.25 sec.
0.25 sec.
2 sec.
ON
OFF
ON
OFF 0.5 sec. 0.5 sec.
Code 11 and 21
4 sec.
1.5 sec.
2.5 sec.
Code 11 Code 21
BR1804
F00006DLC1 Short Pin
−
DIAGNOSTICS ANTI−LOCK BRAKE SYSTEM
DI−191
1996 LAND CRUISER (RM451U)
As an example, the blinking patterns for normal code and
codes 11 and 21 are shown in the illustration.
(6) Code are explained in the code table on page
DI−196 .
(7) After completing the check, disconnect terminals Tc
and E
1, and turn off the display.
If 2 or more malfunctions are indicated at the same time the low-
est numbered DTC will be displayed 1st.
(c) Clear the DTC.
(1) Confirm that the center differential is free.
(2) Using SST, connect terminals Tc and E
1 of the
DLC1 and remove the short pin from the DLC1.
SST 09843−18020
(3) Turn the ignition switch ON.
(4) Clear the DTC stored in ECU by depressing the
brake pedal 8 or more times within 3 seconds.
(5) Check that the warning light shows the normal
code.
(6) Remove the SST from the terminals of the DLC1.
SST 09843−18020
(7) Connect the short pin to the DLC1.
HINT:
Cancellation can also be done by removing the ECU −B fuse,
but in this case, other memory systems will also be cancelled
out.
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N09348
Interface BoxHarness VehicleTOYOTA
Tester
Hand
−held
TOYOTA Break −out− box
F00007
DLC1
Ts Tc
E
1
BR3904
0.25 sec. 0.25 sec.
ON
OFF
DI−192
−
DIAGNOSTICS ANTI−LOCK BRAKE SYSTEM
1996 LAND CRUISER (RM451U)
(d) Using TOYOTA break −out− box and TOYOTA hand− held
tester, measure the ECU terminal values.
(1) Hook up the T OYOTA hand−held tester and TOYO-
TA break−out−box to the vehicle.
(2) Read the ECU input/output values by following the prompts on the tester screen.
HINT:
TOYOTA hand −held tester has a ”Snapshot ” function. This re-
cords the measured values and is effective in the diagnosis of
intermittent problems.
Please refer to the TOYOTA hand−held tester/TOYOTA break
out−box operators manual for further details.
2. SPEED SENSOR SIGNAL AND DECELERATION SEN-
SOR CHECK
(a) Check the speed sensor signal. (1) Conform that the center differential is free.
(2) Turn the ignition switch OFF.
(3) Using SST, connect terminals Ts and E
1 of the
DLC1.
SST 09843−18020
(4) Start the engine.
(5) Check that the ABS warning light blinks.
HINT:
If the ABS warning light does not blink, inspect the ABS warning
light circuit (See page DI−230).
(6) Drive vehicle straight forward.
HINT:
Drive vehicle faster than 45 km/h (28 mph) for several seconds.
(7) Stop the vehicle.
(8) Using SST, connect terminals Tc and E
1 of the
DLC1.
SST 09843−18020
(9) Read the number of blinks of the ABS warning light.
HINT:
See the list of DTC on page DI−190 .
If every sensor is normal, a normal code is output (A cycle of
0.25 sec. ON and 0.25 sec. OFF is repeated).
If 2 or more malfunction are indicated at the same time, the low-
est numbered code will be displayed 1st.
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BR3893
Malfunction Code (Example Code 72, 76)
72 6
7
ON
OFF
0.5 sec.
0.5 sec.
0.5 sec.
0.5 sec. 1.5 sec.
2.5 sec. 4 sec.
Repeat
F00007
E1
Ts
DLC1
R05599
0.13 sec.
0.13 sec.
3 sec.
ON
OFF
R05037
860 
30 mm
33.86  1.18 in.
−
DIAGNOSTICS ANTI−LOCK BRAKE SYSTEM
DI−193
1996 LAND CRUISER (RM451U)
(10) After doing the check, disconnect terminals Ts and
E
1, Tc and E1 of the DLC1, and turn the ignition
switch OFF.
(b) Deceleration sensor detection point check. (1) Confirm that the center differential is free.
(2) Turn the ignition switch OFF.
(3) Using SST, connect terminals Ts and E
1 of the
DLC1.
SST 09843−18020
(4) Start the engine.
(5) Check that the ABS warning light blinks.
HINT:
If the ABS warning light does not blink, inspect the ABS warning
light circuit (See page DI−230).
(6) Jack up the rear side of the vehicle slowly.
HINT:
When measuring the height, measure at the center of the lower
body of the vehicle. (7) Check that the warning light blinks.
If the warning light turns on, inspect the deceleration sensor
installation. If the sensor installation is OK, replace the decel-
eration sensor. (8) Jack down the vehicle slowly.
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R05038
780  30 mm
30.71  1.18 in.
BR1865
0.13 sec.
0.13 sec.
ON
OFF
R05596
0.13 sec.
Braking
0.13 sec.
R05597
0.13 sec. 0.13 sec.
Braking
DI−194
−
DIAGNOSTICS ANTI−LOCK BRAKE SYSTEM
1996 LAND CRUISER (RM451U)
(9) Jack up the front side of the vehicle slowly, as
shown.
HINT:
When measuring the height, measure at the center of the lower
body of the vehicle. (10) Check that the warning light blinks.
If the warning light turns on, inspect the deceleration sensor
installation. If the sensor installation is OK, replace the decel-
eration sensor.
(11) Jack down the vehicle slowly.
(c) Deceleration sensor operation check. (1) Drive the vehicle straight ahead at about 20 km/h
(12.4 mph) or more, lightly depress the brake pedal.
(2) Check that there is no change in the warning light pattern.
(3) Drive the vehicle straight ahead at about 20 km/h (12.4 mph) or more, and depress the brake pedal
moderately.
(4) Check that the warning light turns on while braking.
(5) Drive the vehicle straight ahead at about 20 km/h (12.4 mph) or more, and depress the brake pedal
strongly.
(6) Check that the warning light pattern changes while braking, as shown.
If the operation is not as specified, inspect the deceleration sen-
sor installation. If the sensor installation is OK, replace the de-
celeration sensor. (7) Stop the vehicle and turn the ignition switch OFF.
(8) Remove SST from the terminals Ts and E
1 of the
DLC1.
SST 09843−18020
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DI5LW−03
DI−196
−
DIAGNOSTICS ANTI−LOCK BRAKE SYSTEM
1996 LAND CRUISER (RM451U)
DIAGNOSTIC TROUBLE CODE CHART
NOTICE:
When removing the part, turn the ignition switch OFF.
HINT:
Using SST 09843 −18020, connect the terminals Tc and E1, and remove the short pin.
If any abnormality is not found when inspection parts, inspect the ECU.
If a malfunction code is displayed during the DTC check, check the circu\
it listed that the code. For details
of each code, turn to the page referred to under the ”See page” for respective ”DTC N\
o.” in the DTC chart.
DTC No.
(See page)Detection Item Trouble Area
11
( DI−201 )Open circuit in ABS control (solenoid) relay circuitABS control (solenoid) relay
 Open or short in ABS control (solenoid) relay circuit
12
( DI−201 )Short circuit in ABS control (solenoid) relay circuitABS control (solenoid) relay
 B+ short in ABS control (solenoid) relay circuit
13
( DI−204 )Open circuit in ABS control (motor) relay circuitABS control (motor) relay
 Open or short in ABS control (motor) relay circuit
14
( DI−204 )Short circuit in ABS control (motor) relay circuitABS control (motor) relay
 B+ short in ABS control (motor) relay circuit
21
( DI−207 )Open or short circuit in 3 −position solenoid circuit for right front
wheel ABS actuator
 Open or short in SFR circuit
22
( DI−207 )Open or short circuit in 3− position solenoid circuit for left front
wheel ABS actuator
 Open or short in SFLcircuit
23
( DI−207 )Open or short circuit in 3− position solenoid circuit for rear
wheel ABS actuator
 Open or short in SRR circuit
31
( DI−210 )Right front wheel speed sensor signal malfunction
Right front, left front, right rear and left rear speed sensor
 Open or short in each speed sensor circuit
 Senser rotor32
( DI−210 )Left front wheel speed sensor signal malfunction
33
( DI−210 )Right rear wheel speed sensor signal malfunction
34
( DI−210 )Left rear wheel speed sensor signal malfunction
35
( DI−210 )Open circuit in left front or right rear speed sensor circuitOpen in left front or right rear speed sensor circuit
36
( DI−210 )Open circuit in right front or left rear speed sensor circuitOpen in right front or left rear speed sensor circuit
41
( DI−215 )Low battery positive voltage or abnormally high battery
positive voltageBattery
 IC regulator
 Open or short in power source circuit
43
( DI−218 )Malfunction in deceleration sensorDeceleration sensor
 Wire harness for deceleration sensor circuit
44
( DI−219 )Open or short in deceleration sensor circuitDeceleration sensor
 Open or short in deceleration sensor circuit
48
( DI−221 )Open or short circuit in center differential lock circuit
Center differential is lockingCenter differential lock
 Center differential lock circuit
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