Dongfeng off-road vehicle Electrical equipment common fault and exclude - EQ2102 circuit FAQ (7)

Fifteen, the warm air does not work

Cause Analysis:

1. The inside of the shaped motor is killed;

2. Heating is turned off;

3. Heating relay damage;

4. Fuse burns;

5. Serum motor output line joint welding.

Method of exclusion：

1. Check if the insulation air fuse is burned, the fuse box falls away from the backward harness;

2. Use the test light to check if the wire harness behind the warm air switch is electricity, if it is powerful, explain the warm relay damage or truncation

Bunch of contact;

3. If the warm air switch is powered on the warm air switch, it is rapidly rapidly, and the heater motor still does not work, it may be a warm air switch.

Damage, continue to check if the output power cord of the warm air switch is powered, if the output power is electricity, heater motor

Check or repair or replace it.

EQ2102G chassis

XVI, when using a front windshield scrubber, only water is not shaved

Cause Analysis:

1. The wiper trunk beam socket falls;

2. Combined switch harness socket falls off;

3. Combined switch welding;

4. Adverse contacts in the combined switch are poor contact.

Method of exclusion:

1. Check if the scratched intermittent relay harness is falling off, if it should be corrected;

2. Check whether the group switch line beam joint falls off, if there is a correction;

3. Check the contact conditions on the combination switch;

4. If there is no problem in the above inspection, the wiper has not yet been working properly, which may be the internal disconnection of the combination of the hinge.

EQ2102 Cab Interior Show

17. Only two, three gears, nor

Cause Analysis:

1. Relay in the wiper damage

2. Scraper intermittent relay harness plug arrangement error.

Method of exclusion:

1. Check if the intermittent relay line beam plug is dropped. If not, there is no need to replace the measurement.

2, electrical line diagram or the same type of model to check the number of lines of the wire harness plug.

This article has been reproduced in: Dongfeng Truck Company Heavy Car Factory - \\\ Military Dongfeng off-road vehicle Adjustment and Maintenance Manual \\\