Geely Emgrand X7. Manual part — 475

Standard Resistance: More than 10 Ω or higher

Confirm if the resistance conforms to standard

value.

6

Replace the BCM

(a) Replace BCM and refer to Replacement of BCM in 11.8.8.1.

Confirm the completion of repair.

7

The system is normal.

Yes

The system is normal.

No

Next

1899

10.2.4.4 DTC B1203 B1204

Fault diagnosis code Descriptions

B1203

Right stop lamp open circuit fault

B1204

Right stop lamp short circuit to grounding fault

Circuit diagram:

9 CA12

5 CA12

9 CA18

5 CA18

2 SO24

3 SO24

LH-LAMP

RH-LAMP

10 IP49

20 IP49

2 SO31

3 SO31

BCM

左前组合

大灯
(位置灯)

右前组合

大灯
(位置灯)

右后组合

大灯
(位置灯)

左后组合

大灯
(位置灯)

NL11-3251b

Diagnostic Steps:

1

Check any fault code except for B1203 B1204.

(a) Check if any fault code exists except for B1203 B1204.

2

Measure right stop lamp voltage.

Yes

Go to

(DTC) list in 10.2.4.2

and repair according

to trouble codes.

No

Left front

combinatio

n headlamp

(position

lamp)

Left rear

combinatio

n headlamp

(position

lamp)

Right

rearcombin

ation

headlamp

(position

lamp)

Right front

combination

headlamp

(position

lamp)

1900

(a) Turn on position lamp.

(b) Measure voltage of right front stop lamp harness

connector CA18 terminal9.

(c) Measure Right rear stop lamp harness connector

SO24 terminal2 voltage.

Standard Voltage: 11-14 V

1

2

3

4

5

6

S024

CA18

右后位置灯线束连接器

NL11-3203b

9

8

7

4

3

2

6

5

1

右前位置灯线束连接器

3

Inspect the bulb.

(a) Inspect whether parking lamp bulb is burned out.

Confirm whether the parking lamp bulb is blown out.

4

Inspect the communication between BCM and right
parking lamp.

(a) Turn the ignition switch to OFF position.

(b) Disconnect BCM wire harness connector IP49.

(c) Disconnect right front parking lamp wire

harness connector CA18.

(d) Disconnect right rear stop lamp harness

connector SO24.

(e) Measure resistance between BCM wire

harness connector IP49 terminal 20 and right
front brake lamp wire harness connector CA18
terminal 9.

(f) Measure resistance between BCM wire

harness connector IP49 terminal 20 and right
rear wire harness connector SO24 terminal 2.

Standard Resistance: Less than 1 Ω

Confirm if the resistance conforms to standard

value.

1

2

3

4

5

6

S024右制动灯线束连接器

IP56制动灯开关线束连接器

1

2

NL11-3204b

No

Go to step 4

Yes

Yes

Replace the bulb.

No

SO24 right rearposition lamp harness connector

CA18 right front position lamp harness connector

IP56Brake lamp switchharness connector

SO24 right Brake lamp harness connector

1901

5

Inspect the communication between the right parking lamp and grounding.

(a) Disconnect right front stop lamp harness

connector CA18.

(b) Disconnect right rear parking lamp harness

connector SO24.

(c) Measure resistance value between of right front

stop lamp harness connector CA18 terminal5 and
grounding.

(d) Measure resistance between right rear parking

lamp wire harness connector SO24 terminal 3
and grounding.

Standard Resistance: Less than 1 Ω

(e) Measure resistance between right front parking

lamp wire harness connector CA18 terminal 5
and grounding.

(f) Measure right rear parking lamp wire harness

connector SO24 terminal 3 and grounding.

Standard Resistance: More than 10 Ω or higher

Confirm if the resistance conforms to standard value.

1

2

3

4

5

6

S024右制动灯线束连接器

NL11-3205b

6

Replace the BCM

(a) Replace BCM and refer to

Replacement of BCM in 11.8.8.1

.

Confirm the completion of repair.

7

The system is normal.

No

Repair or replace the harness.

Yes

No

Repair or replace the harness.

Yes

Next

SO24 right Brake lamp harness connector

1902