1987-Montero · Vol2 a · страница 213 из 284 · Открыть оригинал PDF ↗
NOISE SOURCES
Source of Electrical System Noise
| Ignition system | Power generation system | Other electrical device |
|---|---|---|
| (1) Spark plug | (1) Ripple at contact between alternator armature and carbon brush | (1) Armature of wiper, blower and other motors. |
| (2) High tension cable (3) Distributor | (2) Spark from voltage regulator contact ! | (2) Starter and switch when starting engine (3) Spark from changeover switch (4) Horn (5) Contact of turn signal (6) Loose contact of wiring harness (7) Static electricity generated by tire or generator drive-belt (8) Voltage stability unit for instrument |
Таблица в оригинале
Noise Sourse of Vehicle Equipment
| Kind of noise | Equipment | Symptom of noise generation |
|---|---|---|
| Whistling sound | Alternator | Noise increases when accelerator pedal is depressed and it subsides soon after engine is stopped. |
| Scratching sound | Water temperature gauge unit | Noise is produced while engine is running and it persists for a while after engine shutdown. |
| Fuel gauge unit | Noise is produced at sudden acceleration, driving on rough road or when ignition key is placed to ON. | |
| Jarring | Oil pressure switch | Noise is produced with engine operation and no noise is made when engine is idling. |
| Wish-wash, wish-wash | Flasher relay | Noise is produced with operation of turn signal light |
| Buzz, click | Horn | Noise is made when horn button is pressed or released. |
| Whinning | Wiper motor | Noise is generated with the wiper speed. |
| Washer motor | Noise is made when washer is operated. |
Таблица в оригинале
Оригинальная страница руководства
