Geely EC718, EC718RV, EC715, EC715RV. Manual part — 300

Symptoms

Suspected Parts

Measures / Refer to

2. Brake Disc

Refer to the front and rear brake
Diagnostic Information and Procedures in
the

6.2.4.5

Brake Disc Surface and Worn

Inspection

3. Brake Pad (Rupture, Distort or Grease)

Refer to the front and rear brake
Diagnostic Information and Procedures in
the

6.2.4.1

Brake Pad Inspection

4

Brake

Pipe,

Hose

(Distortion,

Deformation)

Check the brake pipe, hose

Brake Pedal Too Hard

1. Hydraulic brake booster system
(Vacuum Leaks, Ineffective)

Check the hydraulic vacuum booster

2.

Brake

pipe,

Hose

(Distortion,

Deformation)

Check the brake pipe, hose.

brake and brake pedal too soft

1. Brake System Brake Fluid Leak

Check for brake fluid leak.

Brake and Brake Pedal Too Soft

2. Air in the brake system

Refer

to

Removal

and

Installation

6.4.5.5

Hydraulic

Brake

System Exhaust Procedure

3. Brake Disc

Refer to the front and rear brake
Diagnostic Information and Procedures in
the

6.2.4.5

Brake Disc Surface and Worn

Inspection

4. brake pads (broken, twisted, excessive
wear or oil stains)

Refer to the front and rear brake
Diagnostic Information and Procedures in
the

6.2.4.1

Brake Pad Inspection

5 Brake Master Cylinder (Internal
Leakage)

Check the brake master cylinder.

Braking Lag

1. Brake Pedal Free Travel Too Short

Refer

to

Removal

and

installation

6.4.5.8

Brake

Pedal

Replacement

2. Brake Rod Travel (Can not adjust)

Refer to the Parking System Removal and
Installation

6.5.5.4

Park Brake Control

Mechanism Adjustment

3. Front Park Brake Cable (Stuck)

Refer to

6.5.5.3

Park Brake Control

Mechanism

Cable

Assembly

Replacement

4. Left and Right Park Brake Cable (Stuck)

Refer to

6.5.5.3

Park Brake Control

Mechanism

Cable

Assembly

Replacement

5. Brake Lining Block (Catching)

Refer to the front and rear brake
Diagnostic Information and Procedures in
the

6.2.4.1

Brake Pad Inspection

Brake System

Hydraulic Brake

6-33

Symptoms

Suspected Parts

Measures / Refer to

6. Piston (Fixed, Catching)

Refer to the front and rear brake
Diagnostic Information and Procedures in
the

6.2.4.2

Brake Caliper Inspection

7. Vacuum Booster Catching

Check the vacuum booster.

8. Brake Master Cylinder (Malfunction)

Check the brake master cylinder.

6.4.4.3 Brake Warning Lamp Always On

Schematic:

Brake Fluid Level Sensor

Instrument

Cluster

FE06-5611b

Diagnostic Steps:

Step 1

Check the brake fluid surface.

(a)

Check whether the brake fluid surface is normal.

No

Fill the brake fluid to the MAX

Yes

Step 2

Check the wiring harness (instrument cluster - power, ground).

6-34

Hydraulic Brake

Brake System

15 14 13 12

10 9 8 7 6 5 4 3 2 1

16

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

Instrument Cluster Harness Connector IP03

FE09-5105b

(a)

Turn the ignition switch to OFF.

(b)

Disconnect the battery negative cable.

(c)

Disconnect the instrument cluster connector IP03.

(d)

Connect the battery negative cable.

(e)

Turn the ignition switch to ON (IG).

(f)

Measure voltage between connector IP03 terminals No.
24,32 and the body ground with a multimeter.
Standard Voltage: 11-14 V

(g)

Turn the ignition switch to OFF.

(h)

Measure voltage between connector IP03 terminals No.
15,16 and the body ground with a multimeter.
Standard Resistance: Less than 1 Ω

Is the voltage specified value?

No

Check the fuses, repair or replace the wiring
harness.

Yes

Step 3

Check the brake fluid level sensor.

(a)

Disconnect the brake fluid level sensor wiring harness
connector.

(b)

Measure resistance between the brake fluid level sensor two
terminals with a multimeter.
Standard Resistance: 10 kΩ or higher

Is the resistance specified value?

No

Replace the brake fluid liquid level sensor.
Refer to

6.4.5.7

Brake Fluid Level Sensor

Replacement

Yes

Step 4

Check the brake fluid level sensor wiring harness.

15 14 13 12

10 9 8 7 6 5 4 3 2 1

16
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

FE06-5609b

Instrument Cluster Harness Connector IP03

(a)

Disconnect the instrument cluster harness connector IP03.

(b)

Measure resistance between IP03 terminal No.11 and CA20
terminal No.1 with a multimeter.

(c)

Measure resistance between CA20 terminal No.2 and the
body ground with a multimeter.
Standard Resistance: Less than 1 Ω

Is the resistance specified value?

No

Repair or replace the wiring harness.

Brake System

Hydraulic Brake

6-35

1 2

Brake Fluid Level Sensor Harness Connector CA20

FE06-5608b

Yes

Step 5

Replace the instrument cluster.

(a)

Replace the instrument cluster. Refer to

11.7.7.1

Instrument

Cluster Replacement

.

(b)

Confirm the repair is completed.

Next

Step 6

System normal.

6-36

Hydraulic Brake

Brake System