MANUALS · FUEL [13] · страница 12 из 340 · Открыть оригинал PDF ↗

Текст распознан со скана. Числа и обозначения можно сверить с оригиналом ниже.

ENGINE WARNING LAMP INSPECTION

(1) Check to be sure, when the ignition switch is set to the
"ON" position,thatthe lamp illuminates forabout fivve
seconds and then switches OFF

(2)If the lamp does not illuminate, check for damage or dis-
connection of the harness, or for & blown fuse orfailed
light bulb.

SELF-DIAGNOSIS

The engine control unit monitors the inputloutput
signals (some signals at all times and the others
under. specified conditions) of the, engine 'control
unit.Whenit isnoticed thatan irregularityhas
continuedforspecifiedtimeor longerfrom
whentheirregularsignalisinitiallymonitored,
passinga certain number, the engine control unit
judgesthatanirregularityhasoccurred,
memorizes the malfunction code, and outputs the
signaltotheself-diagnosisoutputterminals
Thereare13 diagnosis items, including thenor-
mal state, and the diagnosis results can be read
outwithmulti-usetesterMoreover,since
memorization of the malfunction codes is backed
up direrctly by the battery, the diagnosis results
are memorizedeven if the ignitionkeyis turned
off.Themalfunctioncodeswill,however,be
erasedwhenthe battery terminalor the engine
control unit connector is disconnected_

The malfunction codes are also erased by setting
the ignition switch to theONposition and then
sendingthemalfunction-code-erasesignalfrom
the multi-use tester to the engine control unit

Caution

If the sensor connector is disconnected while
the ignitionswitchisON,themalfunction
codeismemorized.Inthis instance,either
sendthemalfunction-code-erase signalfrom
themulti-usetestertotheenginecontrol
unit, the diagnosis memory will be erased:
The13 diagnosis itemsareprovidedasfollows
and if plural items are activated,theyare all indi-
cated sequentially fromthe smallest codenum-
ber

Caution

Ignition timing adjustment signal malfunction
code isoutputwhenthe ignition timing ad-
justment terminal line is short-circuited to the
earth. Therefore, the malfunction code is out-
put when the ignition timing adjustment ter-
minal is earthed, however, this is notmak-
function:

DIAGNOSIS CHART

Таблица в оригинале

Распознанный текст таблицы — требует сверки с оригиналом

Output rfrn	Diagnosis item	Diagn	osis code	Check item (Remedy)
peeece order		No.	Memory
	Engine control unit			(Replace engine control unit)
	Oxygen sensor		Retained	Harness and connector Oxygen sensor Fuel pressure Injectors (Replace if defective ) Intake air leaks
	Air flow sensor	12	Retained	Harness ad connector (If harness ad connector are replace air flow sensor assembly ) normal,
	Intake air temperature sensor	13	Retained	Harness and connector Intake air temperature sensor
	Throttle position sensor	14	Retained	Harness and connector Throttle position sensor Idle position switch

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