1998 TOYOTA LAND CRUISER check transmission fluid

AT07K-05
- AUTOMATIC TRANSMISSIONAIR COOLED OIL COOLER
AT-19
1873 Author
: Date
:
INSTALLATION
Installation is in the reverse order of removal (See page AT-17).
HINT:
After installtion, check fluid level (See page AT-3-1).

A04550
9 1011 12 13141516 12345678
DLC3 CG
TC
- AUTOMATIC TRANSMISSIONAUTOMATIC TRANSMISSION SYSTEM
AT-3-2
1856 Author
: Date
:
2004 LAND CRUISER (RM1071U)
3. TRANSMISSION FILL
(a) Fill the transmission with the correct amount of fluid as
listed in the table below.
(b) Reinstall the refill plug to avoid fluid splash.
RepairFill Amount
Transmission pan and drain plug remov-
al1.3 liters (1.37 US qts, 1.14 Imp. qts)
Transmission valve body removal3.9 liters (4.12 US qts, 3.43 Imp. qts)
Torque converter removal5.3 liters (5.60 US qts, 4.66 Imp. qts)
Entire transmission assembly5.3 liters (5.60 US qts, 4.66 Imp. qts)
HINT:
If you cannot add the listed amount of fluid, do the following:
(1) Install the refill plug.
(2) Allow the engine to idle with air conditioning OFF.
(3) Move the shift lever through entire gear range to cir-
culate fluid.
(4) Wait for 30 seconds with the engine idling.
(5) Stop the engine.
(6) Remove the refill plug and add fluid.
(7) Reinstall the refill plug.
4. FLUID CIRCULATION
(a) Allow the engine to idle with the air conditioning OFF.
(b) Move the shift lever through entire gear range to circulate
fluid.
5. FLUID TEMPERATURE CHECK
NOTICE:
The fluid temperature should be less than 30C (86F) be-
fore beginning the fluid temperature check.
(a) With hand-held tester
(1) Connect the hand-held tester to the DLC3.
(2) Select the tester menus: OBD/MOBD, ENGINE,
DATA LIST and A/T.
(3) Check A/T OIL TEMP.
(4) Allow the engine to idle until the fluid temperature
reaches 46C (115F).

D14352
Overflow Tube
AT-3-3
- AUTOMATIC TRANSMISSIONAUTOMATIC TRANSMISSION SYSTEM
1857 Author
: Date
:
2004 LAND CRUISER (RM1071U)
(b) Without hand-held tester (Using A/T OIL TEMP indicator)
(1) Connect terminals between CG (4) and TC (13) of
the DLC3 using SST (09843-18040).
(2) Move the shift lever back and forth between N and
D at 1.5 seconds interval for six seconds.
(3) The D shift indicator on the combination meter
comes on for two seconds. This indicates that the
fluid temperature check mode has been started.
(4) The D shift indicator comes on again when the fluid
temperature reaches 46C (115F) and blinks
when it exceeds 56C (130F).
(5) Allow the engine to idle until the fluid temperature
reaches 46C (115F).
6. FLUID LEVEL CHECK
NOTICE:
The fluid temperature must be between 46C (115F) and
56C (130F) to check the fluid level.
(a) Remove the overflow plug with the engine idling.
(b) Check that the fluid comes out of the overflow tube.

If fluid does not come out, proceed to step 7.

If fluid comes out, wait until the overflow slows to a
trickle and proceed to step 8.
7. TRANSMISSION REFILL
(a) Install the overflow plug.
(b) Stop the engine.
(c) Remove the refill plug.
(d) Add 0.4 liters (0.42 US qts, 0.35 lmp. qts) of fluid.
(e) Allow the engine to idle and wait for 10 seconds.
(f) Proceed to step 6.
8. COMPLETE
(a) Install the overflow plug with a new gasket.
(b) Stop the engine.
(c) Install the refill plug with a new gasket.
Torque:
20 NVm (205 kgfVcm, 15 ftVlbf) for overflow plug
39 NVm (400 kgfVcm, 29 ftVlbf) for refill plug

- AUTOMATIC TRANSMISSIONVALVE BODY ASSEMBLY
AT-1 1
1865 Author
: Date
:
16. FILL ATF AND CHECK ATF LEVEL
(a) Install a new gasket and a drain plug.
Torque: 20 N´m (204 kgf´cm, 15 ft´lbf)
(b) Remove the refill plug.
(c) Fill new fluid through the refill hole (See page AT-3-1).
17. INSTALL ENGINE NO.2 UNDER COVER

DI-410
- DIAGNOSTICSAUTOMATIC TRANSMISSION
603 Author
: Date
:
2004 LAND CRUISER (RM1071U)
DTC P0710 Transmission Fluid Temperature Sensor ºAº
Circuit
DTC P0712 Transmission Fluid Temperature Sensor ºAº
Circuit Low Input
DTC P0713 Transmission Fluid Temperature Sensor ºAº
Circuit High Input
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
P0710
(a) and (b) is detected momentary within 0.5 sec. when neither
P0712 or P0713 is not detected (1-trip detection logic)
(a) ATF temperature sensor resistance is less than 79 W.
(b) ATF temperature sensor resistance is more than 156 kW.
HINT:
Within 0.5 sec. the malfunction switches from (a) to (b) or from
(b) to (a)

Open or short in ATF temperature sensor No. 1 circuit

ATF temperature sensor No. 1
P0712ATF temperature sensor resistance is less than 79 W. for 0.5
sec. or more (1-trip detection logic)
ECM
P0713
ATF temperature sensor resistance is more than 156 kW. 15
minutes or more after the engine start DTC is detected for 0.5
sec. or more (1-trip detection logic)
MONITOR DESCRIPTION
The automatic transmission fluid (ATF) temperature sensor converts ATF temperature to an electrical resis-
tance value. Based on the resistance, the ECM determines the ATF temperature, and the ECM detects an
opens or shorts in the ATF temperature circuit. If the resistance value of the ATF temperature is less than
79 W
*1 or more than 156 kW*2, the ECM interprets this as a fault in the ATF sensor or wiring. The ECM will
turn on the MIL and store the DTC.
*1: 150C (302F) or more is indicated regardless of the actual ATF temperature.
*2: -40C (-40F) is indicated regardless of the actual ATF temperature.
HINT:
The ATF temperature can be checked on the OBD II scan tool or hand-held tester display.
DIC2Z-01

1
152 3 4 5 6 7 8
9 10 11 12
13 14
D11994OT+OT-
- DIAGNOSTICSAUTOMATIC TRANSMISSION
DI-413
606 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION PROCEDURE
HINT:
According to the DATA LIST displayed by the OBD ll scan tool or Hand-held tester, you can read the value
of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of
troubleshooting is one method to shorten labor time.
(a) Warm up the engine.
(b) Turn the ignition switch OFF.
(c) Connect the OBD ll scan tool or Hand-held tester to the DLC3.
(d) Turn the ignition switch ON.
(e) Push the ºONº button of OBD ll scan tool or Hand-held tester.
(f) Select the item º/DIAGNOSIS/ENHANCED OBD ll/DATA LIST/ALL (or ATM)º.
(g) According to the display on tester, read the ºDATA LISTº.
ItemMeasurement Item/
Display (Range)Normal ConditionDiagnostic Note
AT FLUID TEMP
ATF Temp. Sensor No.1 Value/
min.: -40°C (-40°F)
max.: 215°C (419°F)80°C (176°F)
(After Stall Test)
If the value is º-40°C (-40°F)º or
º215°C (419°F)º, ATF temp. sen-
sor No. 1 circuit is opened or
shorted.
HINT:
When DTC P0712 is output and OBD ll scan tool or hand-held tester output is 150°C (302°F), there is a
short circuit.
Measure the resistance between THO1 (THO) and body ground.
Temperature DisplayedMalfunction
-40°C (-40°F)Open circuit
150°C (302°F) or moreShort circuit
1 Check transmission wire.
PREPARATION:
Disconnect the transmission wire connector from the transmis-
sion.
CHECK:
Measure the resistance between terminals OT+ and OT-.
OK:
79 W to 156 kW
CHECK:
Measure resistance between terminals OT+ and OT- of the
transmission wire connector and body ground.
OK:
Resistance: 1 MW or higher
NG Replace the transmission wire (ATF tempera-
ture sensor).
OK

- 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

- DIAGNOSTICSAUTOMATIC TRANSMISSION
DI-417
610 Author
: Date
:
2004 LAND CRUISER (RM1071U)
2 Check transmission fluid level (See page DI-361).
NG Add fluid.
OK
Replace the transmission wire (ATF tempera-
ture sensor).