Ford Galaxy / Ford S-MAX. Manual — part 635

LOCATE and REPAIR the short to voltage in the
relevant circuit(s) between the air recirculation flap
actuator and the EATC module using the Wiring
Diagrams. CHECK the operation of the system.

No

GO to D6

.

D6: CHECK THE CIRCUITS BETWEEN THE AIR RECIRCULATION FLAP ACTUATOR AND
THE EATC MODULE FOR SHORT TO GROUND

Ignition switch in position 0.

1

Measure the resistance between the EATC module,
connector C2H101-A, pin 1, circuit CH207A

(BU/GY) (RHD vehicles: circuit CH207B (BU/GY)),
wiring harness side and ground.

2

Measure the resistance between the EATC module,
connector C2H101-A, pin 2, circuit CH208A

(GN/OG) (RHD vehicles: circuit CH208B (GN/OG)),
wiring harness side and ground.

3

Measure the resistance between the EATC module,
connector C2H101-A, pin 14, circuit CH209A

(BN/YE) (RHD vehicles: circuit CH209B (BN/YE)),
wiring harness side and ground.

4

Measure the resistance between the EATC module,
connector C2H101-A, pin 15, circuit CH210A

(VT/WH) (RHD vehicles: circuit CH210B (VT/WH)),
wiring harness side and ground.

5

Is a resistance of more than 10,000 Ohms measured
in all of the measurements?
Yes

GO to D7

.

No

LOCATE and REPAIR the short to ground in the
relevant circuit(s) between the air recirculation flap
actuator and the EATC module using the Wiring
Diagrams. CHECK the operation of the system.

D7: CHECK THE CIRCUITS BETWEEN THE AIR RECIRCULATION FLAP ACTUATOR AND
THE EATC MODULE FOR SHORT CIRCUIT

Measure the resistance between the EATC module,
connector C2H101-A, pin 1, circuit CH207A

(BU/GY) (RHD vehicles: circuit CH207B (BU/GY)),
wiring harness side and the EATC module,
connector C2H101-B, pin 14, circuit CH206A
(BN/YE), wiring harness side..

1

Measure the resistance between the EATC module,
connector C2H101-A, pin 1, circuit CH207A

(BU/GY) (RHD vehicles: circuit CH207B (BU/GY)),
wiring harness side and the EATC module,
connector C2H101-A, pin 2, circuit CH208A
(BN/YE) (RHD vehicles: circuit CH208B (BN/YE)),

2

wiring harness side.

Measure the resistance between the EATC module,
connector C2H101-A, pin 1, circuit CH207A

(BU/GY) (RHD vehicles: circuit CH207B (BU/GY)),
wiring harness side and the EATC module,
connector C2H101-A, pin 14, circuit CH209A
(GY/RD) (RHD vehicles: circuit CH209B (GY/RD)),
wiring harness side.

3

Measure the resistance between the EATC module,
connector C2H101-A, pin 1, circuit CH207A

(BU/GY) (RHD vehicles: circuit CH207B (BU/GY)),
wiring harness side and the EATC module,
connector C2H101-A, pin 15, circuit CH210A
(VT/WH) (RHD vehicles: circuit CH210B (VT/WH)),
wiring harness side.

4

Measure the resistance between the EATC module,
connector C2H101-B, pin 14, circuit CH206A

(BN/YE), wiring harness side and the EATC
module, connector C2H101-A, pin 2, circuit
CH208A (GN/OG) (RHD vehicles: circuit CH208B
(GN/OG)), wiring harness side.

5

Measure the resistance between the EATC module,
connector C2H101-B, pin 14, circuit CH206A

(BN/YE), wiring harness side and the EATC
module, connector C2H101-A, pin 14, circuit
CH209A (GY/RD) (RHD vehicles: circuit CH209B
(GY/RD)), wiring harness side.

6

Measure the resistance between the EATC module,
connector C2H101-B, pin 14, circuit CH206A

(BN/YE), wiring harness side and the EATC
module, connector C2H101-A, pin 15, circuit
CH210A (VT/WH) (RHD vehicles: circuit CH210B
(VT/WH)), wiring harness side.

7

Measure the resistance between the EATC module,
connector C2H101-A, pin 2, circuit CH208A

(GN/OG) (RHD vehicles: circuit CH208B (GN/OG)),
wiring harness side and the EATC module,
connector C2H101-A, pin 14, circuit CH209A
(BN/YE) (RHD vehicles: circuit CH209B (GY/RD)),
wiring harness side.

8

Measure the resistance between the EATC module,
connector C2H101-A, pin 2, circuit CH208A

(GN/OG) (RHD vehicles: circuit CH208B (GN/OG)),
wiring harness side and the EATC module,
connector C2H101-A, pin 15, circuit CH210A
(VT/WH) (RHD vehicles: circuit CH210B (VT/WH)),
wiring harness side.

9

Measure the resistance between the EATC module,
connector C2H101-A, pin 14, circuit CH209A

(BN/YE) (RHD vehicles: circuit CH209B (GY/RD)),
wiring harness side and the EATC module,
connector C2H101-A, pin 15, circuit CH210A
(VT/WH) (RHD vehicles: circuit CH210B (VT/WH)),
wiring harness side.

10

Is a resistance of more than 10,000 Ohms measured
in all of the measurements?
Yes

RENEW the recirculated air flap actuator. CHECK
the operation of the system.

No

LOCATE and REPAIR the short in the relevant
circuits between the recirculated air flap actuator
and the EATC module using the Wiring Diagrams.
CHECK the operation of the system.

PINPOINT TEST E : AIR CONDITIONING INOPERATIVE (BLOWER MOTOR
OK)

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

E1: CHECK FUSE F13

Ignition switch in position 0.

1

CHECK Fuse F13 (EJB).

2

Is the fuse OK?
Yes

GO to E2

.

No

RENEW fuse F13 (15 A). CHECK the operation of
the system. If the fuse blows again, LOCATE and
REPAIR the short using the Wiring Diagrams.

E2: CHECK THE VOLTAGE AT FUSE F13

Connect Fuse F13 (EJB).

1

Measure the voltage between fuse F13 (15 A) and
ground.

2

Does the meter display battery voltage?
Yes

GO to E3

.

No

REPAIR the voltage supply to fuse F13 with the aid
of the Wiring Diagrams. CHECK the operation of the
system.

E3: CHECK FUSE F7

CHECK fuse F7 (BJB).

1

Is the fuse OK?
Yes

GO to E4

.

No

RENEW fuse F7 (5 A). CHECK the operation of the
system. If the fuse blows again, LOCATE and
REPAIR the short using the Wiring Diagrams.

E4: CHECK THE VOLTAGE AT FUSE F7

Connect fuse F7 (BJB).

1

Measure the voltage between fuse F7 (5 A) and
ground.

2

Does the meter display battery voltage?
Yes

GO to E5

.

No

REPAIR the voltage supply to fuse F7 with the aid of
the Wiring Diagrams. CHECK the operation of the
system.

E5: CHECK THE CIRCUIT OF THE A/C CLUTCH

Disconnect A/C clutch relay H401 from socket
C1BB03-A.

1

Use a fused test cable (15 A) to bridge A/C clutch
relay H401, socket C1BB03-A, pin 28 and pin 29,

wiring harness side.

2

Check the operation of the A/C clutch.

3

Does the air conditioning clutch work?
Yes

GO to E11

.

No

GO to E6

.

E6: CHECK THE VOLTAGE AT A/C CLUTCH RELAY H401