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For automatic transmission models, ensure that a voltage
of 4.0 volts or higher is applied to between the terminal
@8 of the SST and the body ground.
If the specified voltage is not applied, check the wiring be-
tween the EFI ECU and the alternator as follows:
a. Turn OFF the ignition switch.
b. Disconnect the battery ground cable terminal from the
negative terminal of the battery.
c. Disconnect the EFI ECU terminal of the SST from the
EFI ECU. (Do not disconnect the engine wire side con-
nector of the SST.)
d. Connect the battery ground cable terminal to the neg-
ative terminal of the battery.
e. Turn ON the ignition switch.
f.
Ensure that a voltage of 4.0 volts or higher is applied
to between the terminal @8 of the SST and the body
ground.
If the voltage between the terminal @8 of the SST and the
body ground is 2.5 volts or less, check the EFI computer
and its related circuits for short or open circuit.
<Reference>
The standard voltage between the terminal @8 of the SST
and the body ground is approximately equal to the battery
voltage.
7. Check of charging circuit under loaded state
(1) Start the engine. Maintain the engine speed at
2000 rpm. Turn ON the high beams of the headlamps
and set the blower fan motor switch to the Hi position.
Take a reading of the ammeter.
Standard Amperage:
If the ammeter reading is less than 30 A, repair the al-
ternator.
(Refer to the overhaul of the alternator.)
NOTE:
•
When the battery is in a fully-charged state, the amme-
ter reading may be less than 30 A during the aforesaid
test.
30 A or more
CH–5
Terminal F
JCH00012-00006
JGCH00013-00007
A
V
JCH00014-00008
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