Ford Galaxy / Ford S-MAX. Manual — part 642

Measure the voltage between the EATC module,
connector C2H101-A, pin 6, circuit CH203A (GN/BN),

wiring harness side and ground.

3

Measure the voltage between the EATC module,
connector C2H101-A, pin 18, circuit CH204A

(GY/OG), wiring harness side and ground.

4

Measure the voltage between the EATC module,
connector C2H101-A, pin 19, circuit CH205A

(BN/WH), wiring harness side and ground.

5

Is a voltage measured during one or more
measurements?
Yes

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

No

GO to G5

.

G5: CHECK THE CIRCUITS BETWEEN THE AIR DISTRIBUTION 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 5, circuit CH202A (BU/GN),

wiring harness side and ground.

2

Measure the resistance between the EATC module,
connector C2H101-A, pin 6, circuit CH203A (GN/BN),

wiring harness side and ground.

3

Measure the resistance between the EATC module,
connector C2H101-A, pin 18, circuit CH204A

(GY/OG), wiring harness side and ground.

4

Measure the resistance between the EATC module,
connector C2H101-A, pin 19, circuit CH205A

(BN/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 G6

.

No

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

G6: CHECK THE CIRCUITS BETWEEN THE AIR DISTRIBUTION FLAP ACTUATOR AND
THE EATC MODULE FOR SHORT CIRCUIT

Measure the resistance between the EATC module,
connector C2H101-A, pin 5, circuit CH202A (BU/GN),

wiring harness side and the EATC module, connector
C2H101-A, pin 26, circuit CH201A (YE/RD), wiring
harness side.

1

Measure the resistance between the EATC module,
connector C2H101-A, pin 5, circuit CH202A (BU/GN),

wiring harness side and the EATC module, connector
C2H101-A, pin 6, circuit CH203A (GN/BN), wiring
harness side.

2

Measure the resistance between the EATC module,
connector C2H101-A, pin 5, circuit CH202A (BU/GN),

wiring harness side and the EATC module, connector
C2H101-A, pin 18, circuit CH204A (GY/OG), wiring
harness side.

3

Measure the resistance between the EATC module,
connector C2H101-A, pin 5, circuit CH202A (BU/GN),

wiring harness side and the EATC module, connector
C1MC40, pin 19, circuit CH205A (BN/WH), wiring
harness side.

4

Measure the resistance between the EATC module,
connector C2H101-A, pin 26, circuit CH201A

(YE/RD), wiring harness side and the EATC module,
connector C2H101-A, pin 6, circuit CH203A (GN/BN),
wiring harness side.

5

Measure the resistance between the EATC module,
connector C2H101-A, pin 26, circuit CH201A

(YE/RD), wiring harness side and the EATC module,
connector C2H101-A, pin 18, circuit CH204A
(GY/OG), wiring harness side.

6

Measure the resistance between the EATC module,
connector C2H101-A, pin 26, circuit CH201A

(YE/RD), wiring harness side and the EATC module,
connector C2H101-A, pin 19, circuit CH205A
(BN/WH), wiring harness side.

7

Measure the resistance between the EATC module,
connector C2H101-A, pin 6, circuit CH203A (GN/BN),

wiring harness side and the EATC module, connector
C2H101-A, pin 18, circuit CH204A (GY/OG), wiring
harness side.

8

Measure the resistance between the EATC module,
connector C2H101-A, pin 6, circuit CH203A (GN/BN),

wiring harness side and the EATC module, connector
C2H101-A, pin 19, circuit CH205A (BN/WH), wiring
harness side.

9

Measure the resistance between the EATC module,
connector C2H101-A, pin 18, circuit CH204A

(GY/OG), wiring harness side and the EATC module,
connector C2H101-A, pin 19, circuit CH205A
(BN/WH), wiring harness side.

10

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

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

No

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