Ford Galaxy / Ford S-MAX. Manual — part 799

REPAIR the circuit. TEST the system for normal
operation.

PINPOINT TEST F : THE FRONT FOOTWELL LAMP(S) ARE INOPERATIVE

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

F1: CHECK OPERATION OF THE FOOTWELL LAMPS

Check for operation of the front footwell lamp(s).

1

Are both the front footwell lamp(s) inoperative?
Yes

GO to F3

.

No

If the right-hand side front footwell lamp is
inoperative.

GO to F5

.

If the left-hand side front footwell lamp is
inoperative.

GO to F2

.

F2: CHECK CIRCUIT CBP17H (BN/WH) FOR VOLTAGE

Disconnect Left-hand Front Footwell Lamp C3LN38.

1

Measure the voltage between the left-hand front
footwell lamp C3LN38 pin 1, circuit CBP17H (BN/GN),

harness side and ground.

2

Is the voltage greater than 10 volts?
Yes

GO to F4

.

No

GO to F3

.

F3: CHECK THE LEFT-HAND FRONT FOOTWELL LAMP POWER CIRCUIT FOR OPEN
CIRCUIT

Disconnect CJB C1BP02-C.

1

Measure the resistance between the left-hand front
footwell lamp C3LN38 pin 1, circuit CBP17H (BN/GN),

harness side and the CJB C1BP02-C pin 67, circuit
CBP17R (BN/GN), harness side.

2

Is the resistance less than 1 ohm?
Yes

GO to Pinpoint Test

H.

No

REPAIR circuit CBP17H (BN/GN) or circuit CBP17R
(BN/GN) as necessary. TEST the system for normal
operation. If the concern persists, INSTALL a new
left-hand front footwell lamp. TEST the system for
normal operation.

F4: CHECK CIRCUIT CLN38A (BU/GY) FOR OPEN CIRCUIT

Disconnect CJB C1BP02-B.

1

Measure the resistance between the left-hand front
footwell lamp C3LN38 pin 2, circuit CLN38A (BU/GY),

2

harness side and the CJB C1BP02_B pin 37, circuit
CLN38A (BU/GY), harness side.

Is the resistance less than 1 ohm?
Yes

REFER to the WDS.

No

REPAIR the circuit. TEST the system for normal
operation. If the concern persists, INSTALL a new
left-hand front footwell lamp. TEST the system for
normal operation.

F5: CHECK CIRCUIT CBP17L (BN/GN) FOR VOLTAGE

Disconnect Right-hand Front Footwell Lamp C3LN39.

1

Measure the voltage between the right-hand front
footwell lamp C3LN39 pin 1, circuit CBP17L (BN/GN),

harness side and ground.

2

Is the voltage greater than 10 volts?
Yes

GO to F7

.

No

GO to F6

.

F6: CHECK THE RIGHT-HAND FRONT FOOTWELL LAMP POWER CIRCUIT FOR OPEN
CIRCUIT

Disconnect CJB C1BP02-C.

1

Measure the resistance between the right-hand front
footwell lamp C3LN39 pin 1, circuit CBP17L (BN/GN),

harness side and the CJB C1BP02-C pin 67, circuit
CBP17R (BN/GN), harness side.

2

Is the resistance less than 1 ohm?
Yes

REFER to the WDS.

No

REPAIR circuit CBP17L (BN/GN) or circuit CBP17R
(BN/GN) as necessary. TEST the system for normal
operation. If the concern persists, INSTALL a new
right-hand front footwell lamp. TEST the system for
normal operation.

F7: CHECK CIRCUIT CLN38C (BU/WH) FOR OPEN CIRCUIT

Disconnect CJB C1BP02-C.

1

Measure the resistance between the right-hand front
footwell lamp C3LN39 pin 2, circuit CLN38C

(BU/WH), harness side and the CJB C1BP02-C pin 19,
circuit CLN38C (BU/WH), harness side.

2

Is the resistance less than 1 ohm?
Yes

REFER to the WDS.

No

REPAIR the circuit. TEST the system for normal
operation. If the concern persists, INSTALL a new
right-hand front footwell lamp. TEST the system for
normal operation.

PINPOINT TEST G : THE VANITY MIRROR LAMP(S) ARE INOPERATIVE

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

G1: CHECK OPERATION OF THE VANITY MIRROR LAMP

Check for operation of the vanity mirror lamp(s).

1

Are both the vanity mirror lamp(s) inoperative?
Yes

GO to G6

.

No

If the driver side vanity mirror lamp is inoperative.

GO to G2

.

If the passenger side vanity mirror lamp is
inoperative.

GO to G5

.

G2: CHECK CIRCUIT CBP17D (BN/GN) FOR VOLTAGE

Disconnect Driver Side Vanity Mirror Lamp C5LN23.

1

Measure the voltage between the driver side vanity
mirror lamp C5LN23 pin 1, circuit CBP17D (BN/GN),

harness side and ground.

2

Is the voltage greater than 10 volts?
Yes

GO to G4

.

No

GO to G3

.

G3: CHECK THE DRIVER SIDE VANITY MIRROR LAMP POWER CIRCUIT FOR OPEN
CIRCUIT

Disconnect CJB C1BP02-C.

1

Measure the resistance between the driver side
vanity mirror lamp C5LN23 pin 1, circuit CBP17D

(BN/GN), harness side and the CJB C1BP02-C pin 67,
circuit CBP17R (BN/GN), harness side.

2

Is the resistance less than 1 ohm?
Yes

GO to Pinpoint Test

H.

No

REPAIR circuit CBP17D (BN/GN) or circuit CBP17R
(BN/GN) as necessary. TEST the system for normal
operation. If the concern persists, INSTALL a new
driver side vanity mirror lamp. TEST the system for
normal operation.

G4: CHECK CIRCUIT GD138AF (BK/WH) FOR GROUND

Measure the resistance between the driver side
vanity mirror lamp C5LN23 pin 3, circuit GD138AF

(BK/WH), harness side and ground.

1

Is the resistance less than 1 ohm?
Yes

INSTALL a new driver side vanity mirror lamp. TEST
the system for normal operation

No

REPAIR the circuit. TEST the system for normal
operation.

G5: CHECK CIRCUIT CBP17F (BN/GN) FOR VOLTAGE

Disconnect Passenger Side Vanity Mirror Lamp
C6LN24.

1

Measure the voltage between the passenger side
vanity mirror lamp C6LN24 pin 1, circuit CBP17F

(BN/GN), harness side and ground.

2

Is the voltage greater than 10 volts?
Yes

GO to G7

.

No

GO to G6

.

G6: CHECK THE PASSENGER SIDE VANITY MIRROR LAMP POWER CIRCUIT FOR OPEN
CIRCUIT

Disconnect CJB C1BP02-C.

1

Measure the resistance between the passenger side

2