coolant temperature TOYOTA LAND CRUISER 1986 Factory Repair Manual
[x] Cancel search | Manufacturer: TOYOTA, Model Year: 1986, Model line: LAND CRUISER, Model: TOYOTA LAND CRUISER 1986Pages: 3115, PDF Size: 54.88 MB
Page 339 of 3115
BE-6
- BODY ELECTRICALTROUBLESHOOTING
2379 Author: Date:
2004 LAND CRUISER (RM1071U) Rear washer motor does not operate.
1. Rear Washer Motor
2. Rear Washer Switch
3. Wire HarnessBE-52
BE-52
-
Washer fluid does not operate.1. Washer Hose and Nozzle-
*1: Inspect wiper arm and blade set positions.
COMBINATION METER (Meter Gauges and Illumination):
SymptomSuspect AreaSee page
Tachometer, fuel gauge and engine coolant temperature gauge do
not operate.1. GAUGE2 Fuse
2. Combination Meter
3. Wire Harness-
BE-58
-
Speedometer does not operate.
1. Speed Sensor
2. Combination Meter
3. Wire HarnessBE-63
BE-58
-
Tachometer does not operate.
1. Igniter
2. Combination Meter
3. Wire HarnessIG-1
BE-58
-
Fuel gauge does not operate or is in abnormal operation.
1. Fuel Receiver Gauge
2. Fuel Sender Gauge
3. Combination Meter
4. Wire HarnessBE-63
BE-63
BE-58
-
Oil pressure gauge does not operate.
1. Oil Pressure Receiver Gauge
2. Oil Pressure Sender Gauge
3. Combination Meter
4. Wire HarnessBE-63
BE-63
BE-58
-
Voltmeter does not operate.
1. Voltmeter
2. Combination Meter
3. Wire HarnessBE-63
BE-58
-
Engine coolant temperature gauge does not operate or is in ab-
normal operation
1. Engine Coolant Temperature Receiver Gauge
2. Engine Coolant Temperature Sender Gauge
3. Combination Meter
4. Wire HarnessBE-63
BE-63
BE-58
-
All illumination lights do not light up.1. Light Control Rheostat
2. Wire HarnessBE-63
-
Brightness does not change even when rheostat is turned.1. Bulb
2. Wire Harness-
-
Only one illumination light does not light up.1. Bulb
2. Wire Harness-
-
COMBINATION METER (Warning Light):
SymptomSuspect AreaSee page
Warning lights do not light up. (Except discharge, open door and
SRS)1. GAUGE1 Fuse
2. Combination Meter
3. Wire Harness-
BE-58
-
Fuel level warning light does not light up.
1. LED
2. Combination Meter
3. Fuel Sender Gauge
4. Wire Harness-
BE-58
BE-63
-
ABS warning light does not light up.
1. LED
2. ABS ECU
3. Wire Harness-
DI-502
-
Page 744 of 3115
CO0IO-06
- COOLINGCOOLANT
CO-1
1762 Author: Date:
2004 LAND CRUISER (RM1071U)
COOLANT
INSPECTION
HINT:
Check the coolant level when the engine is cold.
1. CHECK ENGINE COOLANT LEVEL AT RADIATOR RESERVOIR
The engine coolant level should be between the ºLOWº and ºFULLº lines at normal temperature
(20°C(68°F)).
If low, check for leaks and add ºToyota Super Long Life Coolantº or similar high quality ethylene glycol based
non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology
up to the ºFULLº line.
2. CHECK ENGINE COOLANT QUALITY
(a) Remove the radiator cap.
CAUTION:
To avoid the danger of being burned, do not remove the radiator cap while the engine and radiator
are still hot, as fluid and steam can be blown out under pressure.
(b) There should not be any excessive deposits of rust or scale around the radiator cap or radiator filler
hole, and the coolant should be free from oil.
If excessively dirty, clean the coolant passages and replace the coolant.
(c) Reinstall the radiator cap.
Page 936 of 3115
- DIAGNOSTICSAUTOMATIC TRANSMISSION
DI-415
608 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC P0711 Transmission Fluid Temperature Sensor ºAº
Performance
CIRCUIT DESCRIPTION
The ATF temperature sensor converts fluid temperature into a resistance value which is input into the ECM.
DTC No.DTC Detecting ConditionTrouble Area
P0711
(A) Both (a) and (b) are detected: (2-trip detection logic)
(a) Intake air and engine coolant temps. are more than -10°C
(14°F) at engine start
(b) After normal driving for over 20 min. and 9 km (6 mile) or
more, ATF temp. is less than 20°C (68°F)
(B) After 17 min. of engine start, the ATF temp. is 110°C
(230°F) or more (2-trip detection logic).
Open or short in ATF temperature sensor No. 1 circuit
ATF temperature sensor No. 1
ECM
MONITOR DESCRIPTION
The ATF temperature sensor converts the ATF temperature to an electrical resistance value. Based on the
resistance, the ECM determines the ATF temperature and detects an opens or shorts in the ATF temperature
circuit or a fault of the ATF temperature sensor.
After running the vehicle for a certain period, the ATF temperature should increase. If the ATF temperature
is below 10C (50F) after running the vehicle for a certain period, the ECM interprets this as a fault, and
turns on the MIL.
When the ATF temperature is 110C (230F) or more after 17 minutes of engine cold start, the ECM also
determines this as a fault, turns on the MIL, and stores the DTC.
MONITOR STRATEGY
Related DTCsP0711ATF temperature sensor/Rationality check
Required sensors/ComponentsATF temperature sensor
Frequency of operationContinuous
Duration3 sec.
MIL operation2 driving cycles
Sequence of operationNone
TYPICAL ENABLING CONDITIONS
ItSpecificationItemMinimumMaximum
The monitor will run whenever the follow-
ing DTCs are not present.See page DI-361
ATF Temperature sensor ºAº circuit
ECT (Engine coolant temperature) sensor
circuitThere is no malfunction in the circuit shown on the left.
IAT (Intake air temperature) sensor circuit
Time after engine start18 min. and 20 sec. or more-
ECT-15°C (5°F) or more-
Driving distance after engine start9 km (6 mile) or more-
IAT (12 sec. after engine start)-20°C (-4°F) or more-
ECT (12 sec. after engine start)-20°C (-4°F) or more-
DIC30-01
Page 955 of 3115
DI-434
- DIAGNOSTICSAUTOMATIC TRANSMISSION
627 Author: Date:
2004 LAND CRUISER (RM1071U) Turbine speed sensor (NT) circuit
Output speed sensor (NO) circuit
Shift solenoid ºAº (S1) circuit
Shift solenoid ºBº (S2) circuit
Shift solenoid ºEº (SR) circuitThere is no malfunction in the circuits shown on the leftPressure control solenoid ºAº (SL1) circuitThere is no malfunction in the circuits shown on the left.
Pressure control solenoid ºBº (SL2) circuit
ECT (Engine coolant temperature) sensor
circuit
KCS sensor circuit
ETCS (Electric throttle control system)Not system down
Transmission shift positionºDº
ECT40°C (104°F) or more-
Spark advance from Max. retard timing by
KCS control0° CA or more-
EngineRunning
Transfer rangeºHIGHº*1
Transfer range ºHIGHº *1 (This condition is applied only 4WD)
*1 Following conditions met
Vehicle speed sensor ºAº circuitTh i lf ti i th i it h th l ft Output shaft speed sensor circuitThere is no malfunction in the circuits shown on the left.
Transfer output speed143 rpm or more-
NO/NOtf (Transfer input speed/Transfer
output speed)0.9 or moreLess than 1.1
OFF malfunction (A)
ECM selected gear1st
Vehicle speed2 km/h (1 mph) or moreLess than 40 km/h (25 mph)
Throttle valve opening angle
8% or more and
6.5% or more at 2,000 rpm
(conditions vary with engine speed)
-
OFF malfunction (B)
Current ECM selected gear5th
Last ECM selected gear4th
Continuous time for ECM selecting 4th
gear2 sec. or more-
Actual gear when ECM selected 4th gear4th
OFF malfunction (C)
Current ECM selected gear5th
Last ECM selected gear4th
ON malfunction (A)
ECM selected gear1st
Vehicle speed2 km/h (1 mph) or moreLess than 40 km/h (25 mph)
Throttle valve opening angle6.5% or more at 2,000 rpm
(conditions vary with engine speed)-
ON malfunction (B)
ECM selected gear4th
Vehicle speed2 km/h (1 mph) or more-
Page 959 of 3115
DI-438
- DIAGNOSTICSAUTOMATIC TRANSMISSION
631 Author: Date:
2004 LAND CRUISER (RM1071U) Turbine speed sensor (NT) circuit
Output speed sensor (NO) circuit
Shift solenoid ºAº (S1) circuit
Shift solenoid ºBº (S2) circuit
Shift solenoid ºEº (SR) circuitThere is no malfunction in the circuits shown on the leftPressure control solenoid ºAº (SL1) circuitThere is no malfunction in the circuits shown on the left.
Pressure control solenoid ºBº (SL2) circuit
ECT (Engine coolant temperature) sensor
circuit
KCS sensor circuit
ETCS (Electric throttle control system)Not system down
Transmission shift positionºDº
ECT40°C (104°F) or more-
Spark advance from Max. retard timing by
KCS control0° CA or more-
EngineRunning
Transfer rangeºHIGHº*1
Transfer range ºHIGHº *1 (This condition is applied only 4WD)
*1 Following conditions met
Vehicle speed sensor ºAº circuitTh i lf ti i th i it h th l ft Output shaft speed sensor circuitThere is no malfunction in the circuits shown on the left.
Transfer output speed143 rpm or more-
NO/NOtf (Transfer input speed/Transfer
output speed)0.9 or moreLess than 1.1
OFF malfunction (A)
ECM selected gear1st
Vehicle speed2 km/h (1 mph) or moreLess than 40 km/h (25 mph)
Throttle valve opening angle6.5% or more at 2,000 rpm
(conditions vary with engine speed)-
OFF malfunction (B)
ECM selected gear2nd
Vehicle speed2 km/h (1 mph) or more-
Output speed2nd " 1st down shift point or more-
Throttle valve opening angle6.5% or more at 2,000 rpm
(conditions vary with engine speed)-
OFF malfunction (C)
Current ECM selected gear5th
Last ECM selected gear4th
Continuous time for ECM selecting 4th
gear2 sec. or more-
Actual gear when ECM selected 4th gear4th
OFF malfunction (D)
Current ECM selected gear5th
Last ECM selected gear4th
ON malfunction (A)
ECM selected gear1st
Vehicle speed2 km/h (1 mph) or moreLess than 40 km/h (25 mph)
Page 963 of 3115
DI-442
- DIAGNOSTICSAUTOMATIC TRANSMISSION
635 Author: Date:
2004 LAND CRUISER (RM1071U) Turbine speed sensor (NT) circuit
Output speed sensor (NO) circuit
Shift solenoid ºAº (S1) circuit
Shift solenoid ºBº (S2) circuit
Shift solenoid ºEº (SR) circuitThere is no malfunction in the circuits shown on the leftPressure control solenoid ºAº (SL1) circuitThere is no malfunction in the circuits shown on the left.
Pressure control solenoid ºBº (SL2) circuit
ECT (Engine coolant temperature) sensor
circuit
KCS sensor circuit
ETCS (Electric throttle control system)Not system down
Transmission shift positionºDº
ECT40°C (104°F) or more-
Spark advance from Max. retard timing by
KCS control0° CA or more-
EngineRunning
Transfer rangeºHIGHº*1
Transfer range ºHIGHº *1 (This condition is applied only 4WD)
*1 Following conditions met
Vehicle speed sensor ºAº circuitTh i lf ti i th i it h th l ft Output shaft speed sensor circuitThere is no malfunction in the circuits shown on the left.
Transfer output speed143 rpm or more-
NO/NOtf (Transfer input speed/Transfer
output speed)0.9 or moreLess than 1.1
OFF malfunction (A)
ECM selected gear5th
Vehicle speed2 km/h (1 mph)-
Throttle valve opening angle6.5% or more at 2,000 rpm
(conditions vary with engine speed)-
OFF malfunction (B)
Current ECM selected gear5th
Last ECM selected gear4th
Continuous time for ECM selecting 4th
gear2 sec. or more-
OFF malfunction (C)
Current ECM selected gear5th
Last ECM selected gear4th
ON malfunction
Current ECM selected gear2th
Last ECM selected gear1st
Throttle valve opening angle
(During transition from 1st to 2nd gear)4.5% or more at 2,000 rpm
(conditions vary with turbine speed)-
TYPICAL MALFUNCTION THRESHOLDS
Detection criteriaThreshold
[OFF malfunction]
All of the following conditions are met: OFF malfunction (A), (B) and (C)
Page 967 of 3115
DI-446
- DIAGNOSTICSAUTOMATIC TRANSMISSION
639 Author: Date:
2004 LAND CRUISER (RM1071U)
TYPICAL ENABLING CONDITIONS
ItSpecificationItemMinimumMaximum
The following items are common to all condition below: ON malfunction (A), (B), (C), (D) and (E)
The monitor will run whenever the follow-
ing DTCs are not present.See page DI-361
Turbine speed sensor (NT) circuit
Output speed sensor (N) circuit
Shift solenoid ºAº (S1) circuit
Shift solenoid ºBº (S2) circuit
Shift solenoid ºEº (SR) circuitThere is no malfunction in the circuits shown on the leftPressure control solenoid ºAº (SL1) circuitThere is no malfunction in the circuits shown on the left.
Pressure control solenoid ºBº (SL2) circuit
ECT (Engine coolant temperature) sensor
circuit
KCS sensor circuit
ETCS (Electric throttle control system)Not system down
Transmission shift positionºDº
ECT40°C (104°F) or more-
Spark advance from Max. retard timing by
KCS control0° CA or more-
EngineRunning
Transfer rangeºHIGHº*1
Transfer range ºHIGHº *1 (This condition is applied only 4WD)
*1 Following conditions met
Vehicle speed sensor ºAº circuitTh i lf ti i th i it h th l ft Output shaft speed sensor circuitThere is no malfunction in the circuits shown on the left.
Transfer output speed143 rpm or more-
NO/NOtf (Transfer input speed/Transfer
output speed)0.9 or moreLess than 1.1
ON malfunction (A)
ECM selected gear1st
Vehicle speed2 km/h (1 mph) or moreLess than 40 km/h (25 mph)
Throttle valve opening angle6.5% or more at 2,000 rpm
(conditions vary with engine speed)-
ON malfunction (B)
ECM selected gear3rd
Vehicle speed2 km/h (1 mph)-
Throttle valve opening angle6.5% or more at 2,000 rpm
(conditions vary with engine speed)-
ON malfunction (C)
ECM selected gear4th
Vehicle speed2 km/h (1 mph) or more-
Throttle valve opening angle6.5% or more at 2,000 rpm
(conditions vary with engine speed)-
ON malfunction (D)
Current ECM selected gear5th
Page 975 of 3115
DI-454
- DIAGNOSTICSAUTOMATIC TRANSMISSION
647 Author: Date:
2004 LAND CRUISER (RM1071U)
TYPICAL ENABLING CONDITIONS
ItSpecificationItemMinimumMaximum
The Following items are common to all conditions below: Condition (A), (B), (C) and (D)
The monitor will run whenever the follow-
ing DTCs are not present.See page DI-361
Turbine speed sensor (NT) circuit
Output speed sensor (NO) circuit
Shift solenoid ºAº (S1) circuit
Shift solenoid ºBº (S2) circuit
Shift solenoid ºEº (SR) circuitThere is no malfunction in the circuits shown on the leftPressure control solenoid ºAº (SL1) circuitThere is no malfunction in the circuits shown on the left.
Pressure control solenoid ºBº (SL2) circuit
ECT (Engine coolant temperature) sensor
circuit
KCS sensor circuit
ETCS (Electric throttle control system)Not system down
Transmission shift positionºDº
ECT40°C (104°F) or more-
Spark advance from Max. retard timing by
KCS control0° CA or more-
EngineRunning
Transfer rangeºHIGHº*1
Transfer range ºHIGHº *1 (This condition is applied only 4WD)
*1 Following conditions met
Vehicle speed sensor ºAº circuitTh i lf ti i th i it h th l ft Output shaft speed sensor circuitThere is no malfunction in the circuits shown on the left.
Transfer output speed143 rpm or more-
NO/NOtf (Transfer input speed/Transfer
output speed)0.9 or moreLess than 1.1
Condition (A)
ECM selected gear2nd
Vehicle speed2 km/h (1 mph) or more-
Output speed2nd " 1st down shift point or more-
Throttle valve opening angle6.5% or more at 2,000 rpm
(conditions vary with engine speed)-
Condition (B)
ECM selected gear4th
Vehicle speed2 km/h (1 mph) or more-
Throttle valve opening angle6.5% or more at 2,000 rpm
(conditions vary with engine speed)-
Condition (C)
Current ECM selected gear5th
Last ECM selected gear4th
Vehicle speed
(During transition from 4th to 5th gear)-Less than 100 km/h (62 mph)
Condition (D)
Page 998 of 3115
- DIAGNOSTICSAUTOMATIC TRANSMISSION
DI-477
670 Author: Date:
2004 LAND CRUISER (RM1071U)
TYPICAL ENABLING CONDITIONS
ItSpecificationItemMinimumMaximum
[The following items are common to all conditions below: OFF malfunction (A) and (B)]
The monitor will run whenever the follow-
ing DTCs are not present.See page DI-361
Turbine speed sensor (NT) circuit
Output speed sensor (NO) circuit
Transmission Fluid Temperature Sensor
ºAº circuit
Shift solenoid ºAº (S1) circuit
Shift solenoid ºBº (S2) circuit
Shift solenoid ºEº (SR) circuitThere is no malfunction in the circuits shown on the left.
Pressure control solenoid ºAº (SL1) circuit
There is no malfunction in the circuits shown on the left.
Pressure control solenoid ºBº (SL2) circuit
Pressure control solenoid ºDº (SLT) circuit
ECT (Engine coolant temperature) sensor
circuit
KCS sensor circuit
ETCS (Electric throttle control system)Not system down
Transmission shift positionºDº
ECT40°C (104°F) or more-
Spark advance from Max. retard timing by
KCS control0° CA or more-
EngineRunning
Transfer rangeºHIGHº*1
ATF temperature10°C or more-
Transfer range ºHIGHº *1 (This condition is applied only 4WD)
*1 Following conditions met
Vehicle speed sensor ºAº circuitTh i lf ti i th i it h th l ft Output shaft speed sensor circuitThere is no malfunction in the circuits shown on the left.
Transfer output speed143 rpm or more-
NO/NOtf (Transfer input speed/Transfer
output speed)0.9 or moreLess than 1.1
TYPICAL MALFUNCTION THRESHOLDS
Detection criteriaThreshold
Summation of C1 clutch heat generations
= R (Turbine speed - Output speed x Temporary ratio)Specified value
Page 1009 of 3115
DI-488
- DIAGNOSTICSAUTOMATIC TRANSMISSION
681 Author: Date:
2004 LAND CRUISER (RM1071U)
TYPICAL ENABLING CONDITIONS
ItSpecificationItemMinimumMaximum
The following items are common to all conditions below: OFF malfunction and ON malfunction
The monitor will run whenever the follow-
ing DTCs are not present.See page DI-361
Turbine speed sensor (NT) circuit
Output speed sensor (NO) circuit
Shift solenoid ºAº (S1) circuit
Shift solenoid ºBº (S2) circuitThere is no malfunction in the circuits shown on the leftShift solenoid ºEº (SR) circuitThere is no malfunction in the circuits shown on the left.
Torque converter clutch pressure control
solenoid circuit
KCS sensor circuit
ETCS (Electric throttle control system)Not system down
Transmission shift positionºDº
ECT (Engine coolant temperature)40°C (104°F) or more-
Spark advance from Max. retard timing by
KCS control0° CA or more-
EngineRunning
ECM selected gear4th or 5th
Vehicle speed25 km/h or more-
Shift solenoid ºAº (S1) circuit
Shift solenoid ºBº (S2) circuitTh i lf ti i th i it h th l ftPressure control solenoid ºBº (SL2) circuitThere is no malfunction in the circuits shown on the left.
1-2 Shift valve
Transfer neutral position switchOFF
Transfer rangeºHIGHº*1
Transfer range ºHIGHº *1 (This condition is applied only 4WD)
*1 Following conditions met
Vehicle speed sensor ºAº circuitTh i lf ti i th i it h th l ft Output shaft speed sensor circuitThere is no malfunction in the sensor circuits shown on the left.
Transfer output speed143 rpm or more-
NO/NOtf (Transfer input speed/Transfer
output speed)0.9 or moreLess than 1.1
OFF malfunction
ECM lock-up commandON
(SLU pressure: 513kpa or more)
Vehicle speed-Less than 100 km/h (62 mph)
ON malfunction
ECM lock-up commandOFF
(SLU pressure: less than 4kpa)
Throttle valve opening angle9% or more-
Vehicle speed-Less than 60 km/h (38 mph)