1996 TOYOTA LAND CRUISER Ect

SF1F7−01
P09134
OhmmeterContinuity
Ohmmeter Ohmmeter
Continuity
No Continuity FP
PR
FPR
+B1
+B2
P09135
Ohmmeter
No
Continuity
Battery
Ohmmeter
Continuity +B1
+B2 FP
PR
FPR
−
SFI FUEL PUMP RELAY
SF−57
685
Author: Date:
1996 LAND CRUISER (RM451U)
FUEL PUMP RELAY
INSPECTION
1. REMOVE FUEL PUMP RELAY
(a) Disconnect the fuel pump relay connector.
(b) Remove the bolt and fuel pump relay.
2. INSPECT FUEL PUMP RELAY CONTINUITY
(a) Using an ohmmeter, check that there is continuity be-
tween terminals +B1 and FPR.
(b) Check that there is continuity between terminals +B2 and
FP.
(c) Check that there is no continuity between terminals +B2
and PR.
If continuity is not as specified, replace the relay.
3. INSPECT FUEL PUMP RELAY OPERATION
(a) Apply battery voltage across terminals +B1 and FPR.
(b) Using an ohmmeter, check that there is no continuity be- tween the +B2 and FP.
(c) Check that there is continuity between terminals +B2 and
PR.
If operation is not as specified, replace the relay.
4. REINSTALL FUEL PUMP RELAY
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SF1F8−01
SF−58
−
SFI FUEL PUMP RESISTOR
686
Author: Date:
1996 LAND CRUISER (RM451U)
FUEL PUMP RESISTOR
INSPECTION
1. REMOVE FUEL PUMP RESISTOR
(a) Disconnect the fuel pump resistor connector.
(b) Remove the bolt and fuel pump resistor.
2. INSPECT FUEL PUMP RESISTOR
Using an ohmmeter, measure the resistance between the ter-
minals.
Resistance: 0.70 − 0.76 Ω at 20°C (68°F)
If there is no continuity, replace the resistor.
3. REINSTALL FUEL PUMP RESISTOR Torque: 18 N·m (185 kgf·cm, 13 ft·lbf)
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SF1F9−01
−
SFI VSV FOR FUEL PRESSURE CONTROL
SF−59
687
Author: Date:
1996 LAND CRUISER (RM451U)
VSV FOR FUEL PRESSURE
CONTROL
INSPECTION
1. REMOVE AIR INTAKE CHAMBER (See page EM−28 )
2. DISCONNECT VACUUM HOSES AND CONNECTOR
3. INSPECT VSV FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity between the
terminals. Resistance: 37 − 44 Ω at 20° C (68°F)
If there is no continuity, replace the VSV.
4. INSPECT VSV FOR GROUND
Using an ohmmeter, check that there is no continuity between
each terminal and the body.
If there is continuity, replace the VSV.
5. INSPECT VSV OPERATION
(a) Check that the air flows from pipe E to pipe G.
(b) Apply battery voltage across the terminals.
(c) Check that the air does not flows from pipe E to the filter.
If operation is not as specified, replace the VSV.
6. RECONNECT VACUUM HOSES AND CONNECTOR
7. REINSTALL AIR INTAKE CHAMBER (See page EM−54 )
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SF1F6−01
SF−60
−
SFI VSV FOR EXHAUST GAS RECIRCULATION (EGR)
688
Author: Date:
1996 LAND CRUISER (RM451U)
VSV FOR EXHAUST GAS RECIRCULATION (EGR)
INSPECTION
(See page EC−11 )
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SF0PO−09
Z02917
Ohmmeter
TEMPERATURE °C (° F)
RESISTANCE kΩ
Acceptable
−
SFI ENGINE COOLANT TEMPERATURE (ECT) SENSOR
SF−61
689
Author: Date:
1996 LAND CRUISER (RM451U)
ENGINE COOLANT
TEMPERATURE (ECT) SENSOR
INSPECTION
1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR
(a) Disconnect the ECT sensor connector.
(b) Using a 19 mm deep socket wrench, remove the ECT
sensor and gasket.
3. INSPECT ECT SENSOR
Using an ohmmeter, measure the resistance between the ter-
minals. Resistance: Refer to the chart graph
If the resistance is not as specified, replace the ECT sensor.
4. REINSTALL ECT SENSOR
(a) Using a 19 mm deep socket wrench, install the ECT sen- sor and gasket.
Torque: 24.5 N·m (250 kgf·cm, 17.5 ft·lbf)
(b) Connect the ECT sensor connector.
5. REFILL ENGINE COOLANT
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SF1FB−01
P01630
Ohmmeter
SF−62
−
SFI KNOCK SENSOR
690
Author: Date:
1996 LAND CRUISER (RM451U)
KNOCK SENSOR
INSPECTION
1. REMOVE KNOCK SENSOR
(a) Disconnect the knock sensor connector.
(b) Using SST, remove the knock sensor.
SST 09816−30010
2. INSPECT KNOCK SENSOR
Using an ohmmeter, check that there is no continuity between
the terminal and body.
If there is continuity, replace the sensor.
3. REINSTALL KNOCK SENSOR
(a) Using SST, install the knock sensor. SST 09816−30010
Torque: 44 N·m (450 kgf·cm, 33 ft·lbf)
(b) Connect the knock sensor connector.
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SF1FA−01
FI6320
Ohmmeter
Oil
−
SFI EXHAUST GAS RECIRCULATION (EGR) GAS
TEMPERATURE SENSORSF−63
691
Author: Date:
1996 LAND CRUISER (RM451U)
EXHAUST GAS RECIRCULATION
(EGR) GAS TEMPERATURE
SENSOR
INSPECTION
1. REMOVE EGR GAS TEMPERATURE SENSOR
2. INSPECT EGR GAS TEMPERATURE SENSOR
Using an ohmmeter, measure the resistance between the ter-
minals.
TemperatureResistance
50 °C (122° F)64 − 97 kΩ
100°C (212° F)11 − 16 kΩ
150 °C (302° F)2 − 4 kΩ
If the resistance is not as specified, replace the sensor.
3. REINSTALL EGR GAS TEMPERATURE SENSOR
Torque: 20 N·m (200 kgf·cm, 14 ft·lbf)
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SF1FC−01
SF−64
−
SFI HEATED OXYGEN SENSOR
692
Author: Date:
1996 LAND CRUISER (RM451U)
HEATED OXYGEN SENSOR
INSPECTION
INSPECT HEATER RESISTANCE OF HEATED OXYGEN
SENSORS
(a) Disconnect the heated oxygen sensor connector.
(b) Using an ohmmeter, measure the resistance between ter-
minals +B and HT.
Resistance: 11 − 16 Ω at 20° C (68°F)
If resistance is not as specified, replace the heated oxygen sen-
sor.
(c) Reconnect the heated oxygen sensor connector.
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