Ford Galaxy / Ford S-MAX. Manual — part 75

Disconnect Rear Junction Box C4BR02.

1

Measure the resistance between the:

EPB module C4CB01 pin 13, circuit C_SBR03A
(BU/RD), harness side and the rear junction box
C4BR02-C pin 304, circuit C_SBR03A (BU/RD).
EPB module C4CB01 pin 15, circuit C_SBR02A
(YE/RD), harness side and the rear junction box
C4BR02-C pin 303, circuit C_SBR02A (YE/RD).

2

Are the resistances less than 2 ohms?
Yes

INSTALL a new EPB module.
REFER to: Parking Brake Module (206-05 Parking
Brake and Actuation, Removal and Installation).
REPEAT the self-test, CLEAR the DTCs.

No

REPAIR circuit C_SBR02A (YE/RD) or circuit
C_SBR03A (BU/RD). REPEAT the self-test, CLEAR the
DTCs.

PINPOINT TEST AB : DTC U3003.62: BATTERY VOLTAGE / DTC U3006.16:
BATTERY VOLTAGE (LOW OR HIGH)

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

AB1: CHECK THE EPB MODULE MOTOR SUPPLY CIRCUIT

Disconnect EPB Module C4CB01.

1

Ignition switch in position II.

2

Measure the voltage between the:

EPB module C4CB01 pin 13, circuit C_SBR03A
(BU/RD), harness side and ground.
EPB module C4CB01 pin 15, circuit C_SBR02A
(YE/RD), harness side and ground.

3

Are the voltages greater than 10 volts?
Yes

GO to AB2

.

No

GO to AB3

.

AB2: CHECK THE EPB MODULE MOTOR SUPPLY CIRCUIT IMPEDANCE

Disconnect Rear Junction Box C4BR02.

1

Measure the resistance between the:

EPB module C4CB01 pin 13, circuit C_SBR03A
(BU/RD), harness side and the rear junction box
C4BR02-C pin 304, circuit C_SBR03A (BU/RD).
EPB module C4CB01 pin 15, circuit C_SBR02A
(YE/RD), harness side and the rear junction box
C4BR02-C pin 303, circuit C_SBR02A (YE/RD).

2

Are the resistances less than 2 ohms?
Yes

INSTALL a new EPB module.
REFER to: Parking Brake Module (206-05 Parking
Brake and Actuation, Removal and Installation).
REPEAT the self-test, CLEAR the DTCs.

No

REPAIR circuit C_SBR02A (YE/RD) or circuit
C_SBR03A (BU/RD). REPEAT the self-test, CLEAR the
DTCs.

AB3: CHECK THE EPB MODULE MOTOR SUPPLY

Measure the voltage between the:

EPB module C4CB01 pin 13, circuit C_SBR03A
(BU/RD), harness side and ground.
EPB module C4CB01 pin 15, circuit C_SBR02A
(YE/RD), harness side and ground.

1

Is any voltage present?
Yes

Check the charging system.
REFER to: Charging System (414-00 Charging
System - General Information, Diagnosis and
Testing).
REPEAT the self-test, CLEAR the DTCs.

No

REPAIR circuit C_SBR02A (YE/RD) or circuit
C_SBR03A (BU/RD). REPEAT the self-test, CLEAR the
DTCs.

PINPOINT TEST AC : DTC U300A.62: IGNITION CROSS CHECK FAULT

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

AC1: CHECK THE EPB MODULE SUPPLY CIRCUIT

Disconnect EPB Module C4CB01.

1

Ignition switch in position II.

2

Measure the voltage between the EPB module
C4CB01 pin 22, circuit CBP03B (GY), harness side

and ground.

3

Is the voltage greater than 10 volts?
Yes

GO to AC2

.

No

REPAIR circuit CBP03B (GY). REPEAT the self-test,
CLEAR the DTCs.

AC2: CHECK THE EPB MODULE SUPPLY SWITCH CIRCUIT

Ignition switch in position 0.

1

Measure the voltage between the EPB module
C4CB01 pin 22, circuit CBP03B (GY), harness side

and ground.

2

Is any voltage present?
Yes

REPAIR circuit CBP03B (GY). REPEAT the self-test,
CLEAR the DTCs.

No

REPEAT the self-test, CLEAR the DTCs. If the DTC
remains, INSTALL a new EPB module.
REFER to: Parking Brake Module (206-05 Parking
Brake and Actuation, Removal and Installation).
REPEAT the self-test, CLEAR the DTCs.

PINPOINT TEST AD : DTC U300A.86: IGNITION CROSS CHECK FAULT

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

AD1: CHECK THE EPB MODULE KEY IN CIRCUIT

Disconnect EPB Module C4CB01.

1

Insert the ignition key.

2

Measure the voltage between the EPB module
C4CB01 pin 4, circuit CCB28A (GY/BN), harness side

and ground.

3

Is the voltage greater than 10 volts?
Yes

GO to AD2

.

No

REPAIR circuit CCB28A (GY/BN). REPEAT the self-
test, CLEAR the DTCs.

AD2: CHECK THE EPB MODULE KEY OUT CIRCUIT

Remove the ignition key.

1

Measure the voltage between the EPB module
C4CB01 pin 4, circuit CCB28A (GY/BN), harness side

and ground.

2

Is any voltage present?
Yes

REPAIR circuit CCB28A (GY/BN). REPEAT the self-
test, CLEAR the DTCs.

No

REPEAT the self-test, CLEAR the DTCs. If the DTC
remains, INSTALL a new EPB module.
REFER to: Parking Brake Module (206-05 Parking
Brake and Actuation, Removal and Installation).
REPEAT the self-test, CLEAR the DTCs.

Parking Brake and Actuation - Electronic
Parking Brake (EPB) Release Using a
Special Tool

S-MAX/Galaxy 2006.5 (02/2006-)

Print

General Procedures

Special Tool(s)

206-012
Retractor, Rear Brake Caliper Piston

1.

2. Special Tool(s):

206-012

3. Torque: 35 Nm