Ford Galaxy / Ford S-MAX. Manual — part 771

GO to C20

.

No

LOCATE and RECTIFY the break in the circuit
between the rear lamp assembly and soldered
connection SP600 with the aid of the Wiring
Diagrams. CHECK system operates correctly

C20: CHECK VOLTAGE SUPPLY TO RIGHT-HAND REAR LAMP ASSEMBLY FOR OPEN
CIRCUIT

Ignition switch in position II.

1

SWITCH ON the right-hand turn signal.

2

Measure the voltage between the right-hand rear
lamp assembly, connector C4LS19A, pin 4, circuit

CLS27A (GN/OG), wiring harness side and ground.

3

Is fluctuating battery voltage measured?
Yes

CHECK and if necessary RENEW the right-hand rear
lamp assembly. CHECK system operates correctly

No

GO to C21

.

C21: CHECK VOLTAGE SUPPLY TO RIGHT-HAND REAR LAMP ASSEMBLY FOR OPEN
CIRCUIT

Ignition switch in position 0.

1

Disconnect Smart Junction Box from connector
C1BP02B.

2

Measure the resistance between the Smart
Junction Box, connector C1BP02B, pin 18, circuit

CLS27A (GN/OG), wiring harness side and the rear
right lamp assembly, connector C4LS19A, pin 4,
circuit CLS27A (GN/OG), wiring harness side.

3

Is a resistance of less than 2 Ohms registered?
Yes

INSTALL A NEW Smart Junction Box. CHECK
system operates correctly

No

LOCATE and RECTIFY the break in the circuit
between the rear lamp assembly and the Smart
Junction Box with the aid of the Wiring Diagrams.
CHECK system operates correctly

C22: CHECK FUSE FA2/FA1 (25 A) (RJB)

Ignition switch in position 0.

1

Disconnect Fuse.

LHD: FA2 (25 A) (RJB)

RHD: FA1 (25 A) (RJB)

2

CHECK Fuse.

LHD: FA2 (25 A) (RJB)

RHD: FA1 (25 A) (RJB)

3

Is the fuse OK.?
Yes

GO to C23

.

No

- LHD: RENEW fuse FA2 (25 A) (RJB) and CHECK
the operation of the system. If the fuse blows
again, LOCATE and RECTIFY the short to ground
using the Wiring Diagrams. CHECK system operates
correctly
- RHD: RENEW fuse FA1 (25 A) (RJB) and CHECK
the operation of the system. If the fuse blows
again, LOCATE and RECTIFY the short to ground
using the Wiring Diagrams. CHECK system operates
correctly

C23: CHECK THE VOLTAGE SUPPLY TO FUSE FA2/FA1 (25 A) (RJB) FOR OPEN
CIRCUIT

Connect Fuse.

LHD: FA2 (25 A) (RJB)

RHD: FA1 (25 A) (RJB)

1

Ignition switch in position II.

2

Measure the voltage between fuse:

LHD: FA2 (25 A) (RJB) and ground.

RHD: FA1 (25 A) (RJB) and ground.

3

Does the meter display battery voltage?
Yes

GO to C24

.

No

- LHD: LOCATE and RECTIFY the break in the
voltage supply of fuse FA2 (25 A) (RJB) with the
aid of the Wiring Diagrams. CHECK system
operates correctly
- RHD: LOCATE and RECTIFY the break in the
voltage supply of fuse FA1 (25 A) (RJB) with the
aid of the Wiring Diagrams. CHECK system
operates correctly

C24: CHECK THE VOLTAGE SUPPLY TO THE RIGHT-HAND DOOR CONTROL MODULE
FOR OPEN CIRCUIT

Ignition switch in position 0.

1

Disconnect Right-hand door control module from
connector C6PL01A.

2

Ignition switch in position II.

3

Measure the voltage between the door control
module, right-hand side, connector C6PL01A, pin

2, circuit SBR02A (YE/RD), wiring harness side and
ground.

4

Does the meter display battery voltage?
Yes

GO to C25

.

No

- LHD: LOCATE and RECTIFY the break in the
circuit between the door control module and fuse
FA2 (25 A) (RJB) with the aid of the Wiring
Diagrams. CHECK system operates correctly
- RHD: LOCATE and RECTIFY the break in the
circuit between the door control module and fuse
FA1 (25 A) (RJB) with the aid of the Wiring
Diagrams. CHECK system operates correctly

C25: CHECK THE GROUND SUPPLY OF THE RIGHT-HAND DOOR CONTROL MODULE
FOR OPEN CIRCUIT

Ignition switch in position 0.

1

Measure the voltage between the door control
module, right-hand side, connector C6PL01A, pin

13, circuit GD140D (BK/GN), wiring harness side
and ground.

2

Is a resistance of less than 2 Ohms registered?
Yes

GO to C26

.

No

LOCATE and RECTIFY the break in the circuit
between the door control module and soldered
connection SP392 with the aid of the Wiring
Diagrams. CHECK system operates correctly

C26: CHECK THE VOLTAGE SUPPLY TO THE INTEGRATED TURN SIGNAL LAMP IN THE
RIGHT-HAND EXTERIOR MIRROR FOR OPEN CIRCUIT

Connect Right-hand door control module to
connector C6PL01A.

1

Disconnect Right-hand integrated turn signal lamp
from connector C5PM31A.

2

Ignition switch in position II.

3

SWITCH ON the right-hand turn signal.

4

Measure the voltage between the integrated turn
signal lamp, right-hand exterior mirror, connector

C5PM31A, pin 7, circuit CLS26A (BU/GY), wiring
harness side and ground.

5

Is fluctuating battery voltage measured?
Yes

GO to C27

.

No

GO to C29

.

C27: CHECK THE GROUND SUPPLY TO THE INTEGRATED TURN SIGNAL LAMP IN THE
RIGHT-HAND EXTERIOR MIRROR FOR OPEN CIRCUIT

Ignition switch in position 0.

1

Measure the resistance between the integrated
turn signal lamp, right-hand exterior mirror,

connector C5PM31A, pin 6, circuit RPM08A
(GN/BU), wiring harness side and ground.

2

Is a resistance of less than 2 Ohms registered?
Yes

RENEW the integrated turn signal lamp in the
exterior mirror CHECK system operates correctly

No

GO to C28

.

C28: CHECK THE GROUND CONNECTION BETWEEN THE RIGHT-HAND DOOR CONTROL
MODULE AND THE INTEGRATED TURN SIGNAL LAMP IN THE RIGHT-HAND EXTERIOR
MIRROR FOR OPEN CIRCUIT

Disconnect Door control module from connector
C6PL01B.

1

Measure the resistance between the integrated
turn signal lamp, right-hand exterior mirror,

connector C5PM31A, pin 6, circuit RPM08A
(GN/BU), wiring harness side and the door control
module, right-hand side, connector C6PL01B, pin
23, circuit RPM08A (GN/BU), wiring harness side.

2

Is a resistance of less than 2 Ohms registered?
Yes

RENEW the door control module. CHECK system
operates correctly

No

LOCATE and RECTIFY the break in the circuit
between the integrated turn signal lamp in the
exterior mirror and the door control module using