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Diag-
nostic
Item
code
No.
54
ISC valve
FUEL INJECTION SYSTEM
Actuation
Actuates and fully closes the
ISC valve, then opens it to
the standby opening position
when the engine is started.
This operation takes approxi-
mately 12 seconds until it is
completed.
Illuminates the engine trou-
ble warning light.
8-61
Checking method
The ISC unit vibrates when
the ISC valve operates.
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