Page 265 - Foton Workshop Manual - Auman EST-M

Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 211

Lighting system failure IN
Overview
DI
Lighting system is a vehicle lighting tool, and the automative lights, according to the installation location and
purpose, can be divided into: internal lights and external lights.
1. Internal lamps include: EG

a. Left / right front dome lights: On the front of the roof, with the function of swithcing on, off and door lights.
2. External lamps include: TR

a. Front lamps: including high beam, low beam, front turn signals, side turn signals, front fog lamps, front
position lamps and front clearance lamp, with the main function of lighting and signal. AX

b. Rear lamps: including rear turn signals, rear fog lamps, brake lamps, rear position lamps, rear clearance
lamp and reversing lights, with the main function of lighting and signal.
FR
c. Daytime running lights: When the key is turned to the "ON" position and the low beam, high beam, and
front fog lamp switches are set to "OFF", the daytime running lights are automatically on when the engine is
ST
started. When low beem,high beem or front fog lights are on, the daytime running lights turn off. The daytime

running lights are off when the ignition switch is not in the "ON" position.
BR
d. Fog lamps: Used for lighting and reminding when driving in snowy and foggy weather.

e. License plate light: used to illuminate the vehicle license plates to facilitate the identification of vehicles
BW
license plates in the dark.
Precautions

1. Before removing or installing any electrical device, first disconnect the negative battery cable when EL
the tool or device are easy to come into contact with bared electrical terminal to prevent the person or
vehicle from being damaged.
2. Without special instruction, must switch off the ignition switch.
3. The service life of halogen bulbs that are soiled with oil will be shortened.

4. Due to the high internal pressure of halogen bulbs, be careful in operation to prevent the lamp from
exploding after falling, and glass fragments from splashing and injuring the person.
5. Never touch the bulb surface directly with hands
6. When replacing the same specification of lamp, use the same power of lamp.

7. After installing the lamp, pay attention to install the lamp cover, or else after the grouped lamps
are wetted, the glass will be vague or there will be water vapor.

8. Always wear safety glasses when replacing the same specification of bulb.

9. Description of ignition switch:

Ignition switch (position) Ignition switch description

LOCK Switch off the ignition system,
Parking control. Power the electric equipment when the vehicle stops, such as the radio cassette
ACC
player, cigar-lighter, etc.

At drive gear control, connect the electric equipments for vehicle driving, such as instruments,
ON
etc.

START Start gear, the engine starts, and it automatically retreats to the driving gear "ON" gear

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