Geely Emgrand X7. Manual part — 477

10.2.4.6 DTC B1207 B1208

Fault diagnosis code Descriptions

B1207

Left front/left rear steering lamp with an open circuit

B1208

Left front/ left rear steering lamp short circuit to grounding fault

Circuit diagram:

NL11-3210b

6 SO31

3 SO31

8 CA12

8 IP48

9 IP48

5 CA12

8 CA18

5 CA18

6 SO24

3 SO24

左后组合灯
(左转向灯)

左前组合大灯
(左转向灯）

右前组合大灯
(右转向灯）

右后组合灯
(右转向灯）

BCM

TURN-LH LAMP

TURN-RH LAMP

Diagnostic Steps:

1

Check any fault code except forB1207 B1208

(a) Check if any fault code exist except for B1207 B1208

2

Measure left steering lamp voltage.

Yes

Go to

(DTC) list in 10.2.4.2

and repair according

to trouble codes.

No

Left rear

combinati

on lamp

(left

steering

lamp)

Left front

combination

headlamp

(left steering

lamp)

Right front

combinati

on

headlamp

(Right

steering

lamp)

Right

rearcombina

tion lamp

(Right

steering

lamp)

1907

(a) Turn the ignition switch to ON position.

(b) Turn on the left steering lamp.

(c) Measure voltage value of left front steering lamp

harness connector CA12 terminal8, left rear
steering lamp harness connector SO31 terminal6.

Standard Voltage: 11-14 V

Confirm if the voltage conforms to standard value.

9

6

5

1

2

3

4

7

8

1

2

3

4

5

6

CA12左前组合灯线束连接器

IP48BCM线束连接器

SO31左后组合灯线束连接器

NL11-3212b

1 2 3

4 5 6

7 8 9

10 11 12 13

3

Inspect the bulb.

(a) Check if the bulb of turning light is blown.

Confirm whether the license plate lamp bulb is blown out.

4

Inspect the communication among the BCM, the left front steering lamp and the left rear steering
lamp.

No

Go to step 4

Yes

Yes

Replace the bulb .

No

IP48BCMharness connector

CA12 left front combination lamp harness connector

SO31 left rear combination lamp harness connector

1908

(a) Turn the ignition switch to OFF position.

(b) Disconnect BCM harness connector IP48.

(c) Disconnect the steering lamp harness connector

CA12、SO31.

(d) Measure resistance between BCM wire harness

connector IP48 terminal 8 and license lamp wire
harness connector CA12 terminal 5.

(e) Measure resistance between BCM wire harness

connector IP48 terminal 8 and license lamp wire
harness connector SO31 terminal 3.

Standard Resistance: Less than 1 Ω

Confirm if the resistance conforms to standard value.

9

6

5

1

2

3

4

7

8

1

2

3

4

5

6

CA12左前组合灯线束连接器

IP48BCM线束连接器

SO31左后组合灯线束连接器

NL11-3212b

1 2 3

4 5 6

7 8 9

10 11 12 13

5

Inspect the communication among the left front steering lamp, the left
rear steering lamp and grounding.

No

Repair or replace the harness.

Yes

IP48BCMharness connector

CA12 left frontcombination lamp harness connector

SO31 left rear combination lamp harness connector

1909

(a) Disconnect steering lamp harness

connector CA12, SO31.

(d) Measure the resistance between

terminal 8 of license lamp harness
connector CA12 and grounding.

(c) Measure resistance value between

license lamp harness connector
SO31 terminal6 and grounding.

Standard Resistance: Less than 1 Ω

(d) Measure the resistance between

terminal 5 of license lamp harness
connector CA12 and grounding.

(e) Measure resistance value between

license lamp harness connector
SO31 terminal3 and grounding.

Standard Resistance: More than 10 Ω or
higher

Confirm if the resistance conforms to

standard value.

9

6

5

1

2

3

4

7

8

1

2

3

4

5

6

CA12左前组合灯线束连接器

SO31左后组合灯线束连接器

NL11-3213b

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

Next

CA12 left front combination lamp harness connector

SO31 leftrear combination lamp harness connector

1910