If Vehicle Equipped With A Mobile Radio System (Ham, Cb, Etc.); Air Induction System - Toyota 22R-E Service Manual

EG1–106
ENGINE – MFI SYSTEM
IF VEHICLE EQUIPPED WITH A MOBILE
RADIO SYSTEM (HAM, CB, ETC.)
The ECM is designed so that it will not be affected
outside interference.
However, if your vehicle is equipped with an amateur
radio transceiver, etc. (even one with about 10 W
output), it may, at times, have an effect upon ECM
operation, especially if the antenna and feeder are
installed nearby. Therefore, observe the following
precautions:
(a) Install the antenna as far away as possible from the
ECM. The ECM is located in the right side kick panel
so the antenna should be installed at the rear, left side
of the vehicle.
If installing on the bumper, do so on the right side, if
possible.
(b) Keep the antenna feeder as far away as possible from
the ECM wires – at least 20 cm (7.87 in.) – and,
especially, do not wind them together.
(c) Check that the feeder and antenna are properly adj–
usted.
(d) Do not equip your vehicle with a powerful mobile
radio system.
(e) Do not open the cover or the ECM unless absolutely
necessary. (If the terminals are touched, the IC may be
destroyed by static electricity.)

AIR INDUCTION SYSTEM

1. Separation of the engine oil dipstick, oil filler cap,
PCV hose, etc. may cause the engine to run out of
tune.
2. Disconnection, looseness or cracks in the parts of
the air induction system between the air flow meter
and cylinder head will cause air suction and cause
the engine to run out of tune.
ELECTRONIC CONTROL SYSTEM
1. Before removing MFI wiring connectors, terminals,
etc., first disconnect power by either turning the
ignition switch OFF or disconnecting the battery
terminals.
2. When installing a battery, be especially careful not
to incorrectly connect the positive and negative
cables.