Geely Emgrand X7. Manual part — 527

7

Inspect the voltage of the terminal No. 1 of the door controlled switch wire harness
connector SO20/02.

(a) Use multimeter to measure

voltage of door lock assembly
wire harness connector SO20/02
terminal No. 1.

Standard voltage: 11-14 V

Confirm whether the voltage accords
with the standard value.

NL11-2092b

1

SO02/SO20 前门门控开关线束连接器

1

8

Confirm the communication among the terminal No. 1 of the door controlled switch
wire harness connector SO20/02 and the terminal No. 2 of the guest lamp wire harness
connector DR05 and the terminal No. 1 of the DR15.

(a) Make sure that door control switch wire harness connector SO20/02 terminal No. 1 and

courtesy lamp wire harness connector DR05 terminal No. 2, DR15 terminal No. 1 are
connected.

Confirm whether the guest lamp works normally.

9

Replace door control switch assembly ,

(a) Replace door control switch assembly.

(b) Confirm the repair is completed.

Next

Yes

The system is normal.

No

Yes

Go to step 9

No

Yes

The system is normal.

No

SO02/SO20 front door control switch

harness connector

2107

10

The system is normal.

11.4.7.11 Trunk lamp do not work

Circuit diagram:

NL11-2093b

TALL CATE

UNLOCK

DOOR

UNLOCK

TALL

CATE AJAR

后背门门锁电机

后背箱灯

5

BCM

IP48

6 IP48

SO4

3

3

15 IP49

M

1 SO17

+B

2 SO17

2

4

SO

43

SO

4

3

1

SO4

3

IF

06

15A

Diagnostic steps:

1

Inspect whether the trunk is able to open.

A. Check whether the luggage compartment can be opened.

2

Inspect the trunk lamp bulb.

A. Dismantle trunk lamp bulb

Is the bulb filament blown?

3

Replace trunk lamp bulb

A. Replace the malfunctioning luggage compartment lamp bulb.

No

Go to step 4

Yes

No

See that the trunk is unable to open.

Yes

Rear

back-door

door lock

motor

Trunk lamp

2108

Confirm whether the luggage compartment lamp works normally.

4

Check the fuse IF06 circuit.

A. Check whether the fuse IF06 is

blown.

Fuse rating: 15A

Confirm whether the fuses are blown.

NL11-2094b

IR05

85

86

8 7

3 0

IR02

8 5

8 6

8 7

3 0

IR07

8 5

86

87

3 0

4

IR01

2

1

5

3

4

2

1

5

3

IR04

IR03

8 5

8 6

8 7

3 0

IF 1 4

IF
2

9

IF
3

2

IF
3

3

IF
3

4

IF
3

5

IF
1

8

IF 2 0

IF 11

IF
2

5

IF
2

6

IF
2

7

IF
2

5

IF
0

1

IF
0

2

IF
0

3

IF
0

4

IF
0

5

IF
0

6

IF
2

6

IF
2

7

IF
2

3

IF

3

0

IF

1

2

IF

1

6

IF

1

7

5

Overhaul fuseIF06 circuit

A. Check whether fuse IF06 line is short circuited.

B. Repair the circuits, Confirm that there are no short circuits.

C. Replace the fuses with rated current.

Confirm whether the luggage compartment lamp works normally.

6

Inspect the voltage of the terminal No. 2 of the trunk lamp switch wire harness
connector SO17.

Yes

The system is normal.

No

No

Go to step 6

Yes

Yes

The system is normal.

No

2109

(a) Measure voltage of boot lamp

switch wire harness connector
SO17 terminal No. 2.

Standard voltage: 11-14 V

Confirm if the voltage conforms to
standard value.

NL11-2095b

2

1

SO17 后背箱灯线束连接器

2

7

Replace trunk lamp assembly.

(a) Replace trunk lamp assembly.

Confirm whether the courtesy lamp is working properly.

8

Inspect the communication between the terminal No. 2 of the trunk lamp switch wire
harness connector SO17 and the terminal No. 3 of the trunk lock wire harness connector
SO43.

(a) Use multimeter to measure

resistance between boot lamp
switch connector SO17 terminal
No. 2 and boot lock wire harness
connector SO43 terminal No. 3.

Standard resistant value :is less than
1Ω

Confirm if the resistance conforms to
standard value.

NL11-2095b

2

1

SO17 后背箱灯线束连接器

2

Yes

The system is normal.

No

Yes

Go to step 8

No

SO17 trunk lamp harness

connector

SO17 trunk lamp harness

connector

2110