Ford Galaxy / Ford S-MAX. Manual — part 645

Measure the voltage between the EATC module,
connector C2H101-A, pin 4, circuit CH239A

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

3

Measure the voltage between the EATC module,
connector C2H101-A, pin 16, circuit CH240A

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

4

Measure the voltage between the EATC module,
connector C2H101-A, pin 17, circuit CH241A

(GY/BN), 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 left-hand temperature
control flap actuator and the EATC module using the
Wiring Diagrams. CHECK the operation of the
system.

No

GO to I5

.

I5: CHECK THE CIRCUITS BETWEEN THE LEFT-HAND TEMPERATURE CONTROL 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 3, circuit CH238A (YE/OG),

wiring harness side and ground.

2

Measure the resistance between the EATC module,
connector C2H101-A, pin 4, circuit CH239A

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

3

Measure the resistance between the EATC module,
connector C2H101-A, pin 16, circuit CH240A

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

4

Measure the resistance between the EATC module,
connector C2H101-A, pin 17, circuit CH241A

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

5

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

GO to I6

.

No

LOCATE and REPAIR the short to ground in the
relevant circuit(s) between the left-hand temperature
control flap actuator and the EATC module using the
Wiring Diagrams. CHECK the operation of the
system.

I6: CHECK THE CIRCUITS BETWEEN THE LEFT-HAND TEMPERATURE CONTROL FLAP
ACTUATOR AND THE EATC MODULE FOR SHORT CIRCUIT

Measure the resistance between the EATC module,
connector C2H101-A, pin 3, circuit CH238A (YE/OG),

wiring harness side and the EATC module, connector
C2H101-A, pin 12, circuit CH237A (VT/GY), wiring
harness side.

1

Measure the resistance between the EATC module,
connector C2H101-A, pin 3, circuit CH238A (YE/OG),

wiring harness side and the EATC module, connector
C2H101-A, pin 4, circuit CH239A (BU/WH), wiring
harness side.

2

Measure the resistance between the EATC module,
connector C2H101-A, pin 3, circuit CH238A (YE/OG),

wiring harness side and the EATC module, connector
C2H101-A, pin 16, circuit CH240A (GN/WH), wiring
harness side.

3

Measure the resistance between the EATC module,
connector C2H101-A, pin 3, circuit CH238A (YE/OG),

wiring harness side and the EATC module, connector
C2H101-A, pin 17, circuit CH241A (GY/BN), wiring
harness side.

4

Measure the resistance between the EATC module,
connector C2H101-A, pin 12, circuit CH237A

(VT/GY), wiring harness side and the EATC module,
connector C2H101-A, pin 4, circuit CH239A (BU/WH),
wiring harness side.

5

Measure the resistance between the EATC module,
connector C2H101-A, pin 12, circuit CH237A

(VT/GY), wiring harness side and the EATC module,
connector C2H101-A, pin 16, circuit CH240A
(GN/WH), wiring harness side.

6

Measure the resistance between the EATC module,
connector C2H101-A, pin 12, circuit CH237A

(VT/GY), wiring harness side and the EATC module,
connector C2H101-A, pin 17, circuit CH241A
(GY/BN), wiring harness side.

7

Measure the resistance between the EATC module,
connector C2H101-A, pin 4, circuit CH239A

(BU/WH), wiring harness side and the EATC module,
connector C2H101-A, pin 16, circuit CH240A
(GN/WH), wiring harness side.

8

Measure the resistance between the EATC module,
connector C2H101-A, pin 4, circuit CH239A

(BU/WH), wiring harness side and the EATC module,
connector C2H101-A, pin 17, circuit CH241A
(GY/BN), wiring harness side.

9

Measure the resistance between the EATC module,
connector C2H101-A, pin 16, circuit CH240A

(GN/WH), wiring harness side and the EATC module,
connector C2H101-A, pin 17, circuit CH241A
(GY/BN), wiring harness side.

10

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

RENEW the left-hand temperature control flap
actuator CHECK the operation of the system.

No

LOCATE and REPAIR the short between the relevant
circuits between the left-hand temperature control
flap actuator and the EATC module using the Wiring
Diagrams. CHECK the operation of the system.