Geely Emgrand X7. Manual part — 480

10.2.4.9 DTC B1212

Fault diagnosis code Descriptions

B1212

The key hole illumination lamp is shorted to battery fault.

Circuit diagram:

5 IP43

IP25

1

2 IP43

IP25

2

IP43

4

IP43

3

15A

IF

06

ACC

IP49

2

BCM

KEY LIGHT

防盗天线

芯片防盗模块

NL11-3219b

Diagnostic Steps:

1

Inspect whether there is any DTC Code other than B1212.

(a) Inspect whether there is any DTC Code other than B1212.

2

Inspect the voltage of the key buckle illuminating lamp.

Yes

Go to

DTC list in 10.2.4.2

and repair according to

trouble codes.

No

Immobilizer

antenna

Chip anti-theft

module

1919

(a) Turn the ignition switch to ON position.

(b) Unplug fuse IF06.

(b) Measure anti-theft antenna harness connector

IP43 terminal 4 voltage.

Voltage standard value :0V

Confirm if the voltage conforms to standard value.

NL11-3220b

1

2

3

4 5 6

IP43防盗天线线束连接器

3

Replace electronic Anti-theft coil.

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

Confirm the completion of repair.

4

The system is normal.

No

Repair or replace the harness.

Yes

Next

IP43Immobilizer antenna harness

connector

1920

10.2.4.10 DTC B1216

Fault diagnosis code Descriptions

B1216

A headlamp relay controls short circuit until a battery faults.

Circuit diagram:

CA18

6 CA12

5 CA12

16 IP42

13 IP42 14 IP42 6 IP42

5 IP49

40 IP50

2 IP05

1 IP05

3 IP05

26 IP50 7 IP50

近光灯
继电器

灯光
组合
开关

右前
组合
大灯

左前
组合
大灯

远光

近光

远光

近光

阳光传感器

6 CA18

5

OFF

位置灯

近光

远光

超车灯

自动

7

13

8

14

16

6

5

2

1

3

+B

IG1

ER01

15

A

EF

26

10

A

IF

25

BCM

NL11-3242b

Diagnostic Steps:

1

Inspect whether there is any DTC Code other than B1216.

(a) Inspect whether there is any DTC Code other than B1216.

2

Inspect the voltage of the terminal 5 of BCM wire harness
connector IP49.

Yes

Go to

DTC list in 10.2.4.2

and repair according to

trouble codes.

No

Solar sensor

Low beam
lamp relay

ER01

Position lamp

Low beam

High beam

Overtake lamp

Auto

Lighting

combination

switch

Left front co

mbinati

on

headlamp

Right front

combinatio

n headla

mp

High beam

low beam

High beam

low beam

1921

(a) Turn on lower-beam lamp.

(b) Measure voltage of BCM wire harness

connector IP49 terminal 5.

Voltage standard value :0V

Confirm if the voltage conforms to standard

value.

NL11-3243b

1

2 3

4 5 6

7

8 9 10

11 12 13 14 15 16 17 18 19 20

IP49BCM线束连接器

3

Replace the BCM

(a) Replace BCM and refer to

Replacement of BCM in 11.8.8.1

.

Confirm the completion of repair.

4

The system is normal.

No

Repair or replace the harness.

Yes

Next

IP49BCMharness connector

1922