SF1ED
−
04
−
SFI
SFI SYSTEM
SF
−
1
629
Author:
Date:
1996 LAND CRUISER (RM451U)
SFI SYSTEM
PRECAUTION
1.
BEFORE WORKING ON FUEL SYSTEM, DISCON-
NECT NEGATIVE (
−
) TERMINAL CABLE FROM THE
BATTERY.
HINT:
Any diagnostic trouble code retained by the computer will be
erased when the negative (
−
) terminal cable is disconnected.
Therefore, if necessary, read the diagnosis before disconnect-
ing 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 event of engine misfire, these precautions should be
taken.
(1)
Check proper connection of battery terminals, etc.
(2)
Handle high
−
tension cords carefully.
(3)
After repair work, check that the ignition coil termi-
nals and all other ignition system lines are recon-
nected securely.
(4)
When cleaning the engine compartment, be espe-
cially careful to protect the electrical system from
water.
(b)
Precautions when handling the oxygen sensor.
(1)
Do not allow the oxygen sensor to drop or hit
against an object.
(2)
Do not allow the sensor to come in contact with wa-
ter.
5.
IF VEHICLE IS EQUIPPED WITH MOBILE RA-
DIO SYSTEM (HAM, CB, ETC.)
If the vehicle is equipped with a mobile communication system,
refer to the precaution in the IN section.
6.
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.
7.
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.
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Version 1.00 - 12/21/2010