FUEL SYSTEM <DOHC>
Harness side
connector
Measure the power supply voltage of
the injector.
. Resistor connector: Connected
<Turbo>
. Injector connector: Disconnected
. Ignition switch: ON
module harness
side
ACTUATOR INSPECTION
INJECTOR
CHECKING OPERATION SOUND
Using a sound scope, check the operation sound
of injectors during idling or during cranking.
Check that as the rotating speed increases, the frequency of
the operating sound also increases.
Caution
Note that even if the injector you are checking is not
operating, you will hear the operating sound of the other
injectors.
NOTE
If no operating sound is heard from the injector that is being
checked, check the injector drive circuit. If there is nothing
wrong with the circuit, a defective injector or engine
control
module is suspected.
MEASURING RESISTANCE BETWEEN TERMINALS
(1) Remove the injector connector.
(2) Measure the resistance between the terminals.
Standard value:
13-16 [at
<Non-Turbo>
2-3 [at
<Turbo>
(3) Install the injector connector.
TSB Revision
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