1996 TOYOTA T100 battery

Downloaded from www.Manualslib.com manuals search engine SF0B8−01
P15730
Closed
RSC+B
Battery
P15729+B
Open
RSO
Battery MF−34
− MFI (3RZ−FE)IDLE AIR CONTROL (IAC) VALVE
1996 TOYOTA T100 (RM449U)
INSPECTION
INSPECT IAC VALVE OPERATION
(a) Connect the positive (+) lead from the battery to terminal
+B and negative (−) lead to terminal RSC, and check that
the valve is closed.
(b) Connect the positive (+) lead from the battery to terminal
+B and negative (−) lead to terminal RSO, and check that
the valve is open.

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P15781
MF−38
− MFI (3RZ−FE)MASS AIR FLOW (MAF) METER
1996 TOYOTA T100 (RM449U)
INSPECTION
INSPECT MAF METER OPERATION
(a) Connect negative (−) terminal cable to battery.
(b) Turn the ignition switch ON.
(c) Connect the MAF meter connector.
(d) Using a voltmeter, connect the positive (+) tester probe to
terminal VG, and negative (−) tester probe to terminal E3.
(e) Blow air into the MAF meter, and check that the voltage
fluctuates.
If operation is not as specified, replace the MAF meter.
(f) Turn the ignition switch OFF.
(g) Disconnect negative (−) terminal cable from battery.
(h) Disconnect the MAF meter connector.

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SF0BA−03
P07170
Ohmmeter
No
ContinuityContinuity
3Ohmmeter
2 1
5
P07171
Ohmmeter
3
2 1
5
Battery
MF−40
− MFI (3RZ−FE)EFI MAIN RELAY
992 Author: Date:
1996 TOYOTA T100 (RM449U)
EFI MAIN RELAY
INSPECTION
1. REMOVE EFI MAIN RELAY (Marking: EFI)
2. INSPECT EFI MAIN RELAY CONTINUITY
(a) Using an ohmmeter, check that there is continuity be-
tween terminals 1 and 2.
If there is no continuity, replace the relay.
(b) Check that there is no continuity between terminals 3 and
5.
If there is continuity, replace the relay.
3. INSPECT EFI MAIN RELAY OPERATION
(a) Apply battery voltage across terminals 1 and 2.
(b) Using an ohmmeter, check that there is continuity be-
tween terminals 3 and 5.
If there is no continuity, replace the relay.
4. REINSTALL EFI MAIN RELAY

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FI1908
FI1909
MF−42
− MFI (3RZ−FE)CIRCUIT OPENING RELAY
1996 TOYOTA T100 (RM449U)
INSPECTION
1. REMOVE GLOVE COMPARTMENT DOOR
2. REMOVE CIRCUIT OPENING RELAY
3. INSPECT CIRCUIT OPENING RELAY CONTINUITY
(a) Using an ohmmeter, check that there is continuity be-
tween terminals STA and E1.
If there is no continuity, replace the relay.
(b) Check that there is continuity between terminals +B and
FC.
If there is no continuity, replace the relay.
(c) Check that there is no continuity between terminals +B
and FP.
If there is continuity, replace the relay.
4. INSPECT CIRCUIT OPENING RELAY OPERATION
(a) Apply battery voltage across terminals STA and E1.
(b) Using an ohmmeter, check that there is continuity be-
tween terminals +B and FP.
If there is no continuity, replace the relay.
5. REINSTALL CIRCUIT OPENING RELAY
6. REINSTALL GLOVE COMPARTMENT DOOR

Downloaded from www.Manualslib.com manuals search engine P15774
P15773
SF0BE−01
P15772
P15771
− MFI (3RZ−FE)VSV FOR EVAPORATIVE EMISSION (EVAP)
MF−43
995 Author: Date:
1996 TOYOTA T100 (RM449U)
VSV FOR EVAPORATIVE
EMISSION (EVAP)
INSPECTION
1. INSPECT VSV FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity between the
terminals.
Resistance: 30 − 34 Ω at 20°C (68°F)
If there is no continuity, replace the VSV.
2. 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.
3. INSPECT VSV OPERATION
(a) Check that air does not flow from pipe E to pipe F.
(b) Apply battery voltage across the terminals.
(c) Check that air flows from pipe E to pipe F.
If operation is not as specified, replace the VSV.

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Ohmmeter
Continuity
SF0BD−01
P15764
Ohmmeter
No Continuity
P15765
Air
E
F
P15766
Air
E
F Battery MF−44
− MFI (3RZ−FE)VSV FOR EXHAUST GAS RECIRCULATION (EGR)
SYSTEM
996 Author: Date:
1996 TOYOTA T100 (RM449U)
VSV FOR EXHAUST GAS
RECIRCULATION (EGR)
INSPECTION
1. INSPECT VSV FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity between the
terminals.
Resistance: 33 − 39 Ω at 20°C (68°F)
If there is no continuity, replace the VSV.
2. 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.
3. INSPECT VSV OPERATION
(a) Check that air does not flow from pipe E to pipe F.
(b) Apply battery voltage across the terminals.
(c) Check that air flows from pipe E to pipe F.
If operation is not as specified, replace the VSV.

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− SFI (5VZ−FE)SFI SYSTEM
SF−1
1007 Author: Date:
1996 TOYOTA T100 (RM449U)
SFI SYSTEM
PRECAUTION
1. BEFORE WORKING ON FUEL SYSTEM, DISCON-
NECT NEGATIVE (−) TERMINAL CABLE FROM BAT-
TERY
HINT:
Any diagnostic trouble code retained by the computer will be
erased when the negative (−) terminal cable is removed from
the battery.
Therefore, if necessary, read the diagnosis before removing the
negative (−) terminal cable from the battery.
2. DO NOT SMOKE OR WORK NEAR AN OPEN FLAME
WHEN WORKING ON FUEL SYSTEM
3. KEEP GASOLINE AWAY FROM RUBBER OR LEATH-
ER PARTS
4. MAINTENANCE PRECAUTIONS
(a) In the event of engine misfire, these precautions should
be taken.
(1) Check proper connection to battery terminals, etc.
(2) After repair work, check that the ignition coil termi-
nals and all other ignition system lines are recon-
nected securely.
(3) When cleaning the engine compartment, be espe-
cially careful to protect the electrical system from
water.
(b) Precautions when the handling heated oxygen sensors.
(1) Do not allow the oxygen sensor to drop or hit
against an object.
(2) Do not allow the sensor to come into contact with
water.
If Vehicle is Equipped with Mobile Radio System (ham, cb, etc.)
If the vehicle is equipped with a mobile communication system,
refer to the precaution in the IN section.
5. AIR INDUCTION SYSTEM
(a) Separation of the engine oil dipstick, oil filler cap, PCV
hose, etc. may cause the engine to run out of tune.
(b) Disconnection, looseness or cracks in the parts of the air
induction system between the throttle body and cylinder
head will allow air suction and cause the engine to run out
of tune.

Downloaded from www.Manualslib.com manuals search engine P03244Press Down Lock
P03245LockInsert
FI2553
SF−2
− SFI (5VZ−FE)SFI SYSTEM
1008 Author: Date:
1996 TOYOTA T100 (RM449U)
6. ELECTRONIC CONTROL SYSTEM
(a) Before removing SFI wiring connectors, terminals, etc.,
first disconnect the power by either turning the ignition
switch OFF or disconnecting the negative (−) terminal
cable from the battery.
HINT:
Always check the diagnostic trouble code before disconnecting
the negative (−) terminal cable from the battery.
(b) When installing the battery, be especially careful not to in-
correctly connect the positive (+) and negative (−) cables.
(c) Do not permit parts to receive a severe impact during re-
moval or installation. Handle all SFI parts carefully, espe-
cially the ECM.
(d) Do not be careless during troubleshooting as there are
numerous transistor circuits and even slight terminal con-
tact can further troubles.
(e) Do not open the ECM cover.
(f) When inspecting during rainy weather, take care to pre-
vent entry of water. Also, when washing the engine
compartment, prevent water from getting on the SFI parts
and wiring connectors.
(g) Parts should be replaced as an assembly.
(h) Care is required when pulling out and inserting wiring con-
nectors.
(1) Release the lock and pull out the connector, pulling
on the connectors.
(2) Fully insert the connector and check that it is locked.
(i) When inspecting a connector with a volt/ohmmeter
(1) Carefully take out the water−proofing rubber if it is
a water−proof type connector.
(2) Insert the test probe into the connector from the wir-
ing side when checking the continuity, amperage or
voltage.
(3) Do not apply unnecessary force to the terminal.
(4) After checking, install the water−proofing rubber on
the connector securely.
(5) Use SST for inspection or test of the injector or its
wiring connector.
SST 09842−30070