Geely EC718, EC718RV, EC715, EC715RV. Manual part

Geely EC718, EC718RV, EC715, EC715RV. Manual part - 311

Symptoms

Suspected Parts

Repair Program

5. Use scan tool active test function to
check the hydraulic electronic control unit.
If it is abnormal, check whether there is
leakage in hydraulic pipes.

Refer to

6.6.6.6

Active Test and Data Flow

6. If the suspect parts are confirmed as
normal, but the symptoms still occur,
replace the hydraulic electronic control
unit.

Refer to

6.6.7.1

Hydraulic Electronic

Control Unit Replacement

ABS Can Not Run Effectively

1. Check DTC, confirm that there is no
historical and current fault code.

Use scan tool to access the module

2. Front Speed Sensor Circuit

ABS Can Not Run Effectively

3. Rear Speed Sensor Circuit

ABS Can Not Run Effectively

4. Brake Lamp Switch Circuit

1. Confirm the brake lamps are working

properly, otherwise refer
to

11.4.7.8

Brake Lamp Inoperative

2. Press the brake pedal. ABS module

wiring harness connector CA13
terminal 30 voltage is the power supply
voltage .

5. Use scan tool active test function to test
the hydraulic electronic control unit. If it is
abnormal, check whether there is leakage
in hydraulic pipes.

Refer to

6.6.6.6

Active Test and Data Flow

6. If the suspected parts circuit are
confirmed as normal, but the symptoms
still occur, replace the hydraulic electronic
control unit.

Refer to

6.6.7.1

Hydraulic Electronic

Control Unit Replacement

ABS Warning Lamp Fault (Always On)

1. Instrument Cluster

2. Hydraulic Electronic Control Unit

ABS Warning Lamp Fault (Always Off)

Instrument Cluster

Brake Warning Lamp Fault (Always On) Brake Warning Lamp Circuit

Brake System

ABS / TCS / EBD / ESP

6-77

6.6.6.6 Active Test and Data Flow

Active Test

Suggestions:

Use scan tool active test function without removing any component to run relays, actuators and other components. Carry out the
active test first can reduce the diagnostic time.

Data table can be displayed during active test.

1. Connect scan tool to the vehicle.

2. Turn the ignition switch to ON (IG).

3. Carry out the active test according to the display.

Display

Test Parts

Control

Test Notes

ABS Warning Lamp

ABS Warning Lamp lit or not
(ON / OFF)

Warning lamp on and off (ON /
OFF)

Observe the instrument cluster

Pump Motor

Pump motor action or no action Pump motor action or no action No motor working sound

Left Front Inlet Valve

ABS solenoid work or not work Electromagnetic coil working or

not working