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FI
SYSTEM
DIAGNOSIS
4·51
"C32", "C33", "C34" or "C35" FUEL INJECTOR CIRCUIT MALFUNCTION
DETECTED CONDITION
POSSIBLE CAUSE
CKP signals produced but fuel injector signal is
•
Injector circuit open or short.
interrupted continuous by 4 times or more.
•
Injector malfunction.
•
ECM malfunction.
INSPECTION
Step 1
1) Lift and support the fuel tank with its prop stay.
(CTS-S)
2) Turn the ignition switch OFF.
3) Check the injector coupler for loose or poor contacts.
If OK, then measure the injector resistance.
4) Disconnect the injector coupler and measure the resistance
between terminals.
_
Injector
resistance: 11 - 13 0 at
20°C
(68
OF)
(Terminal - Terminal)
S) If OK, then check the continuity between each terminal and
ground.
_
Injector
continuity:
00
0
(Infinity)
(Terminal -
Ground)
iRmti
09900-25008: Multi
circuit
tester
set
~
Tester
knob
indication:
Resistance
(0)
Is the resistance OK?
YES Go to Step 2.
NO Replace the Injector with a new one.
(CTS-17)