Ford Galaxy / Ford S-MAX. Manual — part 781

Is the headlamp levelling left-hand side and right-hand
side inoperative?
Yes

GO to B2

.

No

- Left-hand headlamp levelling inoperative:

GO to

B25

.

- Right-hand headlamp levelling inoperative:

GO to

B28

.

B2: CHECK FUSE F43 (5 A) (EJB)

Ignition switch in position 0.

1

Disconnect fuse F43 (5 A) (EJB).

2

CHECK fuse F43 (5 A) (EJB).

3

Is the fuse OK.?
Yes

GO to B3

.

No

RENEW fuse F43 (5 A) (EJB). CHECK the operation
of the system. If the fuse blows again, LOCATE and
RECTIFY the short to ground using the Wiring
Diagrams. CHECK the operation of the system.

B3: CHECK THE VOLTAGE SUPPLY TO FUSE F43 (5 A) (EJB)

Connect fuse F43 (5 A) (EJB).

1

Ignition switch in position II.

2

Measure the voltage between fuse F43 (5A) (EJB)
and ground.

3

Does the meter display battery voltage?
Yes

GO to B4

.

No

LOCATE AND RECTIFY the break in the voltage
supply of fuse F43 (5 A) (EJB) using the Wiring
Diagrams. CHECK the operation of the system.

B4: CHECK FUSE F39 (15 A) (EJB)

Ignition switch in position 0.

1

Disconnect fuse F39 (15 A) (EJB).

2

CHECK fuse F39 (15 A) (EJB).

3

Is the fuse OK.?
Yes

GO to B5

.

No

RENEW fuse F39 (15 A) (EJB). CHECK the operation
of the system. If the fuse blows again, LOCATE and
RECTIFY the short to ground using the Wiring
Diagrams. CHECK the operation of the system.

B5: CHECK THE VOLTAGE SUPPLY TO FUSE F39 (15 A) (EJB)

Connect fuse F39 (15 A) (EJB).

1

Ignition switch in position II.

2

Measure the voltage between fuse F39 (15 A)
(EJB) and ground.

3

Does the meter display battery voltage?
Yes

GO to B6

.

No

LOCATE AND RECTIFY the break in the voltage
supply of fuse F39 (15 A) (EJB) using the Wiring
Diagrams. CHECK the operation of the system.

B6: CHECK THE COMMON VOLTAGE SUPPLY OF THE HEADLAMP LEVELLING MOTORS
FOR OPEN CIRCUIT

Ignition switch in position 0.

1

Disconnect Left-hand headlamp from connector
C1LF08.

2

Ignition switch in position II.

3

Measure the voltage between left-hand headlamp,
connector C1LF08, pin 13, circuit (VT/WH), wiring

harness side and ground.

4

Does the meter display battery voltage?
Yes

GO to B7

.

No

LOCATE and RECTIFY the break in circuit between
fuse F39 (15 A) (EJB) and soldered connection
SP172 using the Wiring Diagrams. CHECK the
operation of the system.

B7: CHECK VOLTAGE SUPPLY TO ADAPTIVE FRONT LIGHTING MODULE FOR OPEN
CIRCUIT

Ignition switch in position 0.

1

Disconnect Adaptive front lighting module from
connector C2LF23A.

2

Ignition switch in position II.

3

Measure the voltage between adaptive front
lighting module, connector C2LF23A, pin 10, circuit

CBB43C (GY), wiring harness side and ground.

4

Does the meter display battery voltage?
Yes

GO to B8

.

No

LOCATE and RECTIFY break in circuit between
soldered connection SP171 and adaptive front
lighting module using the Wiring Diagrams. CHECK
the operation of the system.

B8: CHECK VOLTAGE SUPPLY TO ADAPTIVE FRONT LIGHTING MODULE FOR OPEN
CIRCUIT

Ignition switch in position 0.

1

Disconnect Adaptive front lighting module from
connector C2LF23B.

2

Ignition switch in position II.

3

Measure the voltage between adaptive front
lighting module, connector C2LF23B, pin 1, circuit

CBB39D (VT/WH), wiring harness side and ground.

4

Measure the voltage between adaptive front
lighting module, connector C2LF23B, pin 2, circuit

CBB39G (VT/WH), wiring harness side and ground.

5

Is battery voltage measured in both cases?
Yes

GO to B9

.

No

- If battery voltage is not measured during both of
the measurements: LOCATE and RECTIFY the break
in circuits between soldered connection SP174 and
fuse F39 (15 A) (EJB) using the Wiring Diagrams.
CHECK the operation of the system.
- If battery voltage is not measured during one of
the measurements: LOCATE and RECTIFY break in
the affected circuit between soldered connection
SP174 and adaptive front lighting module using the
Wiring Diagrams. CHECK the operation of the
system.

B9: CHECK GROUND CONNECTION TO ADAPTIVE FRONT LIGHTING MODULE FOR
OPEN CIRCUIT

Ignition switch in position 0.

1

Measure the resistance between adaptive front
lighting module, connector C2LF23A, pin 1, circuit

GD138BU (BK/WH), wiring harness side and
ground.

2

Is a resistance of less than 2 Ohms registered?
Yes

GO to B10

.

No

LOCATE and RECTIFY break in circuit between
adaptive front lighting module and ground
connection G6D139 using the Wiring Diagrams.
CHECK the operation of the system.

B10: CHECK LIN DATABUS CONNECTION BETWEEN ADAPTIVE FRONT LIGHTING
MODULE AND HEADLAMP LEVELLING MOTOR FOR SHORT CIRCUIT TO BATTERY
VOLTAGE

Ignition switch in position II.

1

Measure the voltage between adaptive front
lighting module, connector C2LF23A, pin 17, circuit

VLF32B (YE), wiring harness side and ground.

2

Does the meter display battery voltage?
Yes

LOCATE and RECTIFY the short to battery voltage
in circuits between adaptive front lighting module
and headlamp levelling motor using the Wiring
Diagrams. CHECK the operation of the system.

No

GO to B11

.

B11: CHECK LIN DATABUS CONNECTION BETWEEN ADAPTIVE FRONT LIGHTING
MODULE AND HEADLAMP LEVELLING MOTOR FOR SHORT CIRCUIT TO GROUND

Ignition switch in position 0.

1

Measure the resistance between adaptive front
lighting module, connector C2LF23A, pin 17, circuit

VLF32B (YE), wiring harness side and ground.

2

Is a resistance of more than 10,000 Ohm measured?
Yes

GO to B12

.

No

LOCATE and RECTIFY the short to ground in circuits
between adaptive front lighting module and
headlamp levelling motor using the Wiring
Diagrams. CHECK the operation of the system.

B12: CHECK LIN DATABUS CONNECTION BETWEEN ADAPTIVE FRONT LIGHTING
MODULE AND HEADLAMP LEVELLING MOTOR FOR OPEN CIRCUIT

Measure the resistance between adaptive front
lighting module, connector C2LF23A, pin 17, circuit

VLF32B (YE), wiring harness side and left-hand
headlamp levelling motor, connector C1LF08, pin
14, circuit VLF32A (YE), wiring harness side.

1

Is a resistance of less than 2 Ohms registered?
Yes

GO to B13

.

No

LOCATE and RECTIFY break in circuits between
adaptive front lighting module and intermediate
connector C21A/B using the Wiring Diagrams.
CHECK the operation of the system.

B13: CHECK FRONT HEADLAMP LEVELLING SENSOR

Disconnect Front headlamp levelling sensor from
connector C5CD07.

1

Check the front headlamp levelling sensor in
accordance with the Component Checks in this

operation.

2

Is the front headlamp levelling sensor OK?
Yes

GO to B14

.

No

INSTALL a new front headlamp levelling sensor.
CHECK the operation of the system.

B14: CHECK REAR HEADLAMP LEVELLING SENSOR

Disconnect Rear headlamp levelling sensor from
connector C7CD12.

1

Check the rear headlamp levelling sensor in
accordance with the Component Checks in this

operation.

2

Is the rear headlamp levelling sensor OK?
Yes

GO to B15

.

No

INSTALL a new rear headlamp levelling sensor.
CHECK the operation of the system.

B15: CHECK THE VOLTAGE SUPPLY TO THE HEADLAMP LEVELLING SENSORS FOR