ON-VEHICLE INSPECTION OF MPI COMPONENTS · 85

ON-VEHICLE INSPECTION OF MPI COMPONENTS · 85

1998 · FUEL [13] · страница 85 из 104 · Открыть оригинал PDF ↗

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

Проверка

Using MUT-II

Таблица в оригиналеТаблица: оригинал страницы 85
Распознанный текст таблицы — требует сверки с оригиналом
FunctionItem NoData displayCheck conditionLoad stateStandard value
Data reading45Stepper
motor steps
Engine coolant temper-
95*C (176
ature: 80
Air conditioner
switch: OFF
25 steps
2
2059F)
Lamps, accessory
units: OFF
Air conditioner
switch: ON
Increase by 10
70 steps
Transmission: Neutral
(P range for vehicles
with AT)
Idle position switch: ON
(compressor clutch to
be ON if air conditioner
switch is ON)
Engine: Idling
Air conditioner
switch: OFF
Selector lever:
N~ D position
Increase by 5 _ 50
steps

NOTE

When the vehicle is new [within initial operation of about 500 km]; the stepper motor steps may be about 30
steps more than standard:

Caution

When the select lever is shifted to the D position, the brakes must be used to prevent the vehicle
frommoving forward.

Иллюстрация 1, страница 85

Wave Pattern Inspection Using an Analyzer
Measurement method

(1) Disconnect the stepper motor connector; and connect the
special tool (test harness: MD998463) in between:
(2) Connect the analyzer special patterns pickup tothe
stepper motor-side connector terminal(red clip on the
special tool), terminal(blue clip) , terminal(black
clip) and terminal(yellow clip) respectively:

Alternative method (when test harness is not available)
Connect the analyzer special patterns pickup to ECU
terminals (4), (5), (17) and (18).

Standard wave pattern

Observation conditions

Таблица в оригиналеТаблица: оригинал страницы 85
Распознанный текст таблицы — требует сверки с оригиналом
FunctionSpecial patterns
Pattern heightHigh
Pattern selectorDisplay
Engine conditionTurn the ignition switch from OFF to ON (without starting the engine)
While the engine is idling; turn the air conditioner switch to ON.
Immediately after starting the warm engine (approx:
minute).
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