No

Step 5

Replace the left front door lock motor assembly.

(a)

Replace the left front door lock motor assembly. Refer to

11.9.8.1

 

Left Front Door Lock Assembly Replacement

.

Use a key to lock the door, confirm whether the door can be locked.

Yes

System normal

No

Step 6

Check the left front combination switch control locking button.

Left Front Window Switch Harness 
Connector DR08

FE11-5804b

(a)

Remove the left front combination switch.

(b)

Press the central locking button to lock, while test continuity
between the left front combination switch assembly DR08
terminal No.23 and 20 with a multimeter.
Standard Resistance: Less than 1 Ω

Is the resistance specified value?

Yes

Go to step 8

No

Step 7

Replace the left front window switch.

(a)

Replace the left front window switch. Refer to 

11.5.8.4

 

Left

Front Window Switch Replacement

.

Use the Central Locking button to lock doors. Confirm whether it is
working.

Yes

System normal

No

Step 8

Check the circuit between the BCM harness connector IP29 and the left front door motor harness connector
DR06.

Body Electric

Central Locking

11-337

1

2

3

4

5

6

7

8

9 10

20

30

40

19

29

39

18

28

38

17

27

37

16

26

36

15

25

35

14

24

34

13

23

33

12

22

32

11

21

31

1

6

7

8

9

10

2

3

4

5

Left Front Door Lock Motor Harness 
Connector DR06

Body Control Module 1 Harness Connector IP29

FE11-5805b

(a)

Disconnect the BCM harness connector. Refer to

11.10.8.1

 

BCM Replacement

.

(b)

Disconnect the left front door motor wire harness connector.
Refer to 

11.9.8.1

 

Left Front Door Lock Assembly

Replacement

.

(c)

Measure resistance between the BCM harness connector
IP29 terminal No.37 and the left front door motor wire harness
connector DR06 terminal No.4 with a multimeter.
Standard Resistance: Less than 1 Ω

Is the resistance specified value?

Yes

Go to step 10

No

Step 9

Repair the open circuit between the BCM harness connector IP29 and the left front motor wire harness
connector DR06.

(a)

Confirm the open circuit between the BCM harness
connector IP29 and the left front motor wire harness
connector DR06 repair is completed.

Is the electric door lock working?

Yes

System normal

No

Step 10

Measure the BCM harness connector IP27 terminals No.5 voltage.

1

2

3

4

5

6

7

8

Body Control Module 3 Harness 
Connector IP27

FE11-5813b

(a)

Use a mechanical key or the central locking control button to
lock doors while measure the BCM harness connector IP27
terminal No.5 voltage with a multimeter.
Standard Voltage: 11-14 V

Is the voltage specified value?

No

Go to step 12

Yes

Step 11

Measure the BCM harness connector IP27 terminal No.6 voltage.

(a)

Use a mechanical key or the central locking control button to
repeatedly lock and unlock several times, while measure the
BCM harness connector IP27 terminal No.6 voltage with a
multimeter.

11-338

Central Locking

Body Electric

Is the power supply voltage between 0 V and the power supply
voltage?

Yes

Go to step 13

No

Step 12

Replace the BCM.

(a)

Replace the BCM. Refer to 

11.10.8.1

 

BCM Replacement

.

Is the electric door lock working?

Yes

System normal

No

Step 13

Repair  the  open  circuit  between  the  BCM  harness  connector  IP27  and  the  electric  door  lock  harness
connector.

1

2

3

4

5

6

7

8

Body Control Module 3 Harness Connector IP27

FE11-5807b

(a)

Confirm the open circuit between the BCM harness
connector IP27 terminals No.6 and 5 and the electric door
lock assembly harness connector corresponding terminals
repair is completed.

Confirm the repair completed.

Next

Step 14

System normal.

Body Electric

Central Locking

11-339

11.9.7.5 Mechanical key / Central Locking Switch Can Not Unlock All Doors

Schematic:

Body Control Module

Left Front Door Lock Assembly

Right Front Door Lock 

Assembly

Left Rear Door Lock 

Assembly

Right Rear Door Lock 

Assembly

Left 

Front 

Door 

switch

FE11-5801b

Diagnostic Steps:

Note

When there is not a remote control key, use the scan tool special setting function to drive the door locks. Select as the
following sequence: body control module / BCM Special Set Function / lock / unlock dual locks (all doors) / unlock all
doors.

Step 1

Use the remote control to lock.

Is the remote control locking working?

Yes

Go to step 3

No

Step 2

Check the remote anti-theft system for potential malfunction.

(a)

Check and repair the remote anti-theft system for potential
malfunction.

Is the electric door locking working?

Yes

System normal

11-340

Central Locking

Body Electric