Ford Galaxy / Ford S-MAX. Manual — part 901

Disconnect Driver Side Exterior Mirror C5PM26-A.

2

Ignition switch in position II.

3

Select the driver side exterior mirror. While
operating the exterior mirror switch UP and DOWN,

measure the voltage between the driver side exterior
mirror C5PM26-A pin 2, circuit CPM03A (BU/WH),
harness side and the driver side exterior mirror
C5PM26-A pin 3, circuit CPM28A (BU/BN), harness
side.

4

Is the voltage greater than 10 volts when the exterior
mirror switch is moved to the UP position and is the
polarity reversed when moved to the DOWN position?
Yes

INSTALL a new driver side exterior mirror.
REFER to: Exterior Mirror (501-09 Rear View Mirrors,
Removal and Installation).
TEST the system for normal operation.

No

GO to B3

.

B3: CHECK THE DRIVER SIDE EXTERIOR MIRROR UP/DOWN CIRCUIT FOR
CONTINUITY

Ignition switch in position 0.

1

Disconnect Driver Door Module C5PL01-B.

2

Measure the resistance between the driver door
module C5PL01-B pin 24, circuit CPM29A (GN),

harness side and the driver side exterior mirror
C5PM26-A pin 3, circuit CPM28A (BU/BN), harness
side.

3

Is the resistance less than 5 ohms?
Yes

VERIFY the customer concern. TEST the system for
normal operation.

No

REPAIR circuit CPM28A (BU/BN). TEST the system for
normal operation.

B4: CHECK THE DRIVER SIDE EXTERIOR MIRROR LEFT/RIGHT CIRCUIT

Ignition switch in position 0.

1

Disconnect Driver Side Exterior Mirror C5PM26-A.

2

Ignition switch in position II.

3

Select the driver side exterior mirror. While
operating the exterior mirror switch LEFT and RIGHT,

measure the voltage between the driver side exterior
mirror C5PM26-A pin 1, circuit CPM29A (GN), harness
side and the driver side exterior mirror C5PM26-A pin
2, circuit CPM29A (GN), harness side.

4

Is the voltage greater than 10 volts when the exterior

mirror switch is moved to the LEFT position and is the
polarity reversed when moved to the RIGHT position?
Yes

INSTALL a new driver side exterior mirror.
REFER to: Exterior Mirror (501-09 Rear View Mirrors,
Removal and Installation).
TEST the system for normal operation.

No

GO to B5

.

B5: CHECK THE DRIVER SIDE EXTERIOR MIRROR LEFT/RIGHT CIRCUIT FOR
CONTINUITY

Ignition switch in position 0.

1

Disconnect Driver Door Module C5PL01-B.

2

Measure the resistance between the driver door
module C5PL01-B pin 8, circuit CPM29A (GN),

harness side and the driver side exterior mirror
C5PM26-A pin 1, circuit CPM29A (GN), harness side.

3

Is the resistance less than 5 ohms?
Yes

VERIFY the customer concern. TEST the system for
normal operation.

No

REPAIR circuit CPM29A (GN). TEST the system for
normal operation.

B6: CHECK THE PASSENGER SIDE MIRROR UP/DOWN CIRCUIT

Ignition switch in position 0.

1

Disconnect Passenger Side Exterior Mirror C5PM31-A.

2

Ignition switch in position II.

3

Select the passenger side exterior mirror. While
operating the exterior mirror switch UP and DOWN,

measure the voltage between the passenger side
exterior mirror C5PM31-A pin 2, circuit CPM06A
(GN/WH), harness side and the passenger side
exterior mirror C5PM31-A pin 3, circuit CPM33A
(VT/BK), harness side.

4

Is the voltage greater than 10 volts when the exterior
mirror switch is moved to the UP position and is the
polarity reversed when moved to the DOWN position?
Yes

INSTALL a new passenger side exterior mirror.
REFER to: Exterior Mirror (501-09 Rear View Mirrors,
Removal and Installation).
TEST the system for normal operation.

No

GO to B7

.

B7: CHECK THE PASSENGER SIDE MIRROR UP/DOWN CIRCUIT FOR CONTINUITY

Ignition switch in position 0.

1

Disconnect Passenger Door Module C6PL01-B.

2

Measure the resistance between the passenger door

3

module C6PL01-B pin 24, circuit CPM33A (VT/BK),
harness side and the passenger side exterior mirror
C5PM31-A pin 3, circuit CPM33A (VT/BK), harness
side.

Is the resistance less than 5 ohms?
Yes

VERIFY the customer concern. TEST the system for
normal operation.

No

REPAIR circuit CPM33A (VT/BK). TEST the system for
normal operation.

B8: CHECK THE PASSENGER SIDE EXTERIOR MIRROR LEFT/RIGHT CIRCUIT

Ignition switch in position 0.

1

Disconnect Passenger Side Exterior Mirror C5PM31-A.

2

Ignition switch in position II.

3

Select the passenger side exterior mirror. While
operating the exterior mirror switch LEFT and RIGHT,

measure the voltage between the passenger side
exterior mirror C5PM31-A pin 1, circuit CPM34A
(WH/BN), harness side and the passenger side
exterior mirror C5PM31-A pin 2, circuit CPM06A
(GN/WH), harness side.

4

Is the voltage greater than 10 volts when the exterior
mirror switch is moved to the LEFT position and is the
polarity reversed when moved to the RIGHT position.
Yes

INSTALL a new passenger side exterior mirror.
REFER to: Exterior Mirror (501-09 Rear View Mirrors,
Removal and Installation).
TEST the system for normal operation.

No

GO to B9

.

B9: CHECK THE PASSENGER SIDE EXTERIOR MIRROR LEFT/RIGHT CIRCUIT FOR
CONTINUITY

Ignition switch in position 0.

1

Disconnect Passenger Door Module C6PL01-B.

2

Measure the resistance between the passenger door
module C6PL01-B pin 8, circuit CPM34A (WH/BN),

harness side and the passenger side exterior mirror
C5PM31-A pin 1, circuit CPM34A (WH/BN), harness
side.

3

Is the resistance less than 5 ohms?
Yes

VERIFY the customer concern. TEST the system for
normal operation.

No

REPAIR circuit CPM34A (WH/BN). TEST the system
for normal operation.

PINPOINT TEST C : THE HEATED EXTERIOR MIRROR IS INOPERATIVE

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

C1: CHECK THE OPERATION OF THE HEATED REAR WINDOW

NOTE: Use a digital multimeter for all electrical measurements.

Ignition switch in position III.

1

Ignition switch in position II.

2

Operate the heated rear window switch.

3

Does the heated rear window function correctly?
Yes

GO to C2

.

No

REPAIR the heated rear window.
REFER to: Glass, Frames and Mechanisms (501-11
Glass, Frames and Mechanisms, Diagnosis and
Testing).
TEST the system for normal operation.

C2: CHECK THE VOLTAGE TO THE INOPERATIVE EXTERIOR MIRROR

Ignition switch in position 0.

1

Disconnect Inoperative Exterior Mirror C5PM26-A or
C5PM31-A.

2

Ignition switch in position III.

3

Ignition switch in position II.

4

Operate the heated rear window switch.

5

Measure the voltage between the:

Driver side exterior mirror C5PM26-A pin 5, circuit
CRD13A (GN/VT), harness side and ground.
Passenger side exterior mirror C5PM31-A pin 5,
circuit CRD14A (WH/OG), harness side and ground.

6

Is the voltage greater than 10 volts?
Yes

GO to C3

.

No

REPAIR circuit CRD13A (GN/VT) or circuit CRD14A
(WH/OG). TEST the system for normal operation.

C3: CHECK THE INOPERATIVE EXTERIOR MIRROR GROUND CIRCUIT FOR
CONTINUITY

Ignition switch in position 0.

1

Disconnect Inoperative Mirror Door Module C5PL01-B
or C6PL01-B.

2

Measure the resistance between the:

Driver side exterior mirror C5PM26-A pin 5, circuit
CRD13A (GN/VT), harness side and the driver side
door module C5PL01-B pin 10, circuit CRD13A
(GN/VT).
Passenger side exterior mirror C5PM31-A pin 5,
circuit CRD14A (WH/OG), harness side and the
passenger side door module C6PL01-B pin 10,

3