Ford Focus RS (2011 year). Instruction — part 75
PINPOINT TEST L : HEADLAMP WASHER SYSTEM IS INOPERATIVE
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
L1: CHECK FUSE F23 (30 A) (BJB)
1 Ignition switch in position 0.
2 Disconnect fuse F23 (30 A) (BJB).
3 CHECK fuse F23 (30 A) (BJB).
• Is the fuse OK?
ൺ
Yes
GO to L2.
ൺ
No
RENEW fuse F23 (30 A) (BJB) CHECK the
operation of the system. If the fuse blows
again, LOCATE and RECTIFY the short to
ground using the Wiring Diagrams. CHECK
the operation of the system.
L2: CHECK THE VOLTAGE SUPPLY TO FUSE F23 (30 A) (BJB) FOR OPEN CIRCUIT
1 Connect fuse F23 (30 A) (BJB).
2 Measure the voltage between fuse F23 (30 A)
(BJB) and ground.
• Does the meter display battery voltage?
ൺ
Yes
GO to L3.
ൺ
No
CHECK BJB and if necessary RENEW.
CHECK the operation of the system.
L3: CHECK CIRCUIT 31S-KA24 (BK/RD) BETWEEN THE HEADLAMP WASHER RELAY AND THE
GEM FOR SHORT TO BATTERY VOLTAGE.
1 Disconnect headlamp cleaning system relay
from socket C1009.
2 Ignition switch in position II.
3 Measure the voltage between the headlamp
washer relay, socket C1009, pin 2, circuit 31S-
KA24 (BK/RD), BJB side and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0016132
GO to L4.
ൺ
No
GO to L5.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
L4: CHECK CIRCUIT 31S-KA24 (BK/RD) BETWEEN THE HEADLAMP WASHER RELAY AND THE
CJB FOR SHORT TO BATTERY VOLTAGE.
1 Ignition switch in position 0.
2 Disconnect CJB from connector C95.
3 Measure the voltage between the headlamp
washer relay, socket C1009, pin 2, circuit 31S-
KA24 (BK/RD), BJB side and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0016132
LOCATE and RECTIFY the short to battery
voltage in the circuit between the headlamp
washer relay and the CJB with the aid of the
Wiring Diagrams. CHECK the operation of the
system.
ൺ
No
INSTALL a new GEM. CHECK the operation
of the system.
L5: CHECK VOLTAGE SUPPLY OF HEADLAMP CLEANING SYSTEM RELAY FOR OPEN CIRCUIT
1 Measure the voltage between the headlamp
cleaning system relay, socket C1009, pin 5,
circuit 30-KA25 (RD), BJB side and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0019862
GO to L6.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between fuse F23 (BJB) and the headlamp
cleaning system relay using the Wiring
Diagrams. CHECK the operation of the
system.
L6: CHECK HEADLAMP RELAY
1 Connect a fused jumper wire (30 A) at the
headlamp cleaning system relay, socket C1009,
between pin 5 and pin 3, BJB side.
• Does the headlamp cleaning system pump
run?
ൺ
Yes
VFE0019865
GO to L9.
ൺ
No
GO to L7.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
L7: CHECK CIRCUIT 15S-KA21(A) (GN/YE) BETWEEN THE HEADLAMP CLEANING SYSTEM
RELAY AND THE HEADLAMP CLEANING SYSTEM PUMP FOR OPEN CIRCUIT
NOTE: The fused jumper wire used in the previous test step is still connected to the headlamp cleaning
system relay.
1 Disconnect headlamp cleaning system pump
from connector C745.
2 Measure the voltage between the headlamp
washer pump, connector C745, pin 1, circuit
15S-KA21(A) (GN/YE), wiring harness side and
ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0038583
GO to L8.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the headlamp cleaning system relay
and the headlamp cleaning system pump
using the Wiring Diagrams. CHECK the oper-
ation of the system.
L8: CHECK GROUND SUPPLY OF HEADLAMP CLEANING SYSTEM PUMP FOR OPEN CIRCUIT
1 Ignition switch in position 0.
2 Measure the resistance between the headlamp
washer pump, connector C745, pin 2, circuit 31-
KA21(A) (BK), wiring harness side and ground.
• Is the resistance less than 2 ohms?
ൺ
Yes
VFE0038584
RENEW the headlamp cleaning system pump.
CHECK the operation of the system.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the headlamp cleaning system pump
and soldered connection S109 using the
Wiring Diagrams. CHECK the operation of the
system.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
L9: CHECK VOLTAGE SUPPLY OF HEADLAMP CLEANING SYSTEM RELAY (CONTROL CIRCUIT)
FOR OPEN CIRCUIT
1 Measure the voltage between the headlamp
cleaning system relay, socket C1009, pin 1,
circuit 15-KA24 (GN/OG), BJB side and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0016104
GO to L10.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between soldered connection S164 and the
headlamp cleaning system relay using the
Wiring Diagrams. CHECK the operation of the
system.
L10: CHECK CONTROL CIRCUIT OF HEADLAMP CLEANING SYSTEM RELAY FOR OPEN CIRCUIT
1 Ignition switch in position 0.
2 Disconnect CJB from connector C95.
3 Measure the resistance between the headlamp
cleaning system relay, socket C1009, pin 2,
circuit 31S-KA24 (BK/RD), BJB side and CJB,
connector C95, pin 14, circuit 31S-KA24
(BK/RD), wiring harness side.
• Is the resistance less than 2 ohms?
ൺ
Yes
VFE0038586
GO to L11
.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the headlamp cleaning system relay
and CJB using the Wiring Diagrams. CHECK
the operation of the system.
L11: CHECK HEADLAMP CLEANING SYSTEM RELAY
1 Connect headlamp cleaning system relay to
socket C1009.
2 Ignition switch in position II.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Use a fused jumper wire (10 A) to connect to
the CJB, connector C95, pin 14, circuit 31S-
KA24 (BK/RD) and ground.
• Does the headlamp cleaning system pump
run?
ൺ
Yes
VFE0038585
INSTALL a new GEM. CHECK the operation
of the system.
ൺ
No
RENEW the headlamp cleaning system relay.
CHECK the operation of the system.
PINPOINT TEST M : HEADLAMP WASHER SYSTEM OPERATES CONTINUOUSLY
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
M1: NARROW DOWN THE FAULT CONDITION
1 Ignition switch in position 0.
2 Disconnect CJB from connector C95.
3 Ignition switch in position II.
4 CHECK headlamp cleaning system pump.
• Does the headlamp cleaning system pump run
continuously?
ൺ
Yes
GO to M2.
ൺ
No
INSTALL a new GEM. CHECK the operation
of the system.
M2: CHECK HEADLAMP CLEANING SYSTEM RELAY
1 Ignition switch in position 0.
2 Disconnect headlamp cleaning system relay
from socket C1009.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Measure the resistance between the headlamp
cleaning system relay, socket C1009, pin 2,
circuit 31S-KA24 (BK/RD), BJB side and ground.
• Is the resistance greater than 10,000 Ohms?
ൺ
Yes
VFE0016108
GO to M3.
ൺ
No
LOCATE and RECTIFY the short to ground
in the circuit between headlamp cleaning
system relay and the CJB using the Wiring
Diagrams. CHECK the operation of the
system.
M3: CHECK CIRCUIT 15S-KA21 (GN/YE) BETWEEN HEADLAMP CLEANING SYSTEM RELAY
AND HEADLAMP CLEANING SYSTEM PUMP FOR SHORT TO BATTERY VOLTAGE
1 Ignition switch in position II.
2 Measure the voltage between the headlamp
cleaning system relay, socket C1009, pin 3,
circuit 15S-KA21 (GN/YE), BJB side and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0016103
LOCATE and RECTIFY the short to battery
voltage in circuit 15S-KA21 (GN/YE) between
the headlamp cleaning system relay and the
headlamp cleaning system pump using the
Wiring Diagrams. CHECK the operation of the
system.
ൺ
No
RENEW the headlamp cleaning system relay.
CHECK the operation of the system.
PINPOINT TEST N : WINDSHIELD WASHER NOZZLE HEATER IS INOPERATIVE
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
N1: DETERMINE THE FAULT CONDITION
1 Ignition switch in position II.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
2 DETERMINE which windshield washer nozzle
heater is inoperative.
• Are both windshield washer nozzle heaters
inoperative?
ൺ
Yes
GO to N2.
ൺ
No
- Left windscreen washer nozzle heater is
inoperative:
GO to N3.
- Right windscreen washer nozzle heater is
inoperative:
GO to N5.
N2: CHECK VOLTAGE SUPPLY TO WINDSHIELD WASHER NOZZLE HEATER FOR OPEN CIRCUIT
1 Ignition switch in position 0.
2 Disconnect Left-hand windshield washer nozzle
heater from connector C721.
3 Ignition switch in position II.
4 Measure voltage between left-hand windshield
washer nozzle heater, connector C721, pin 1,
circuit 15-HB13 (GN/BU), wiring harness side
and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0016017
LOCATE and RECTIFY break in circuit 31-
HB1 (BK), between soldered connection S122
and soldered connection S109 using the
Wiring Diagrams. CHECK the operation of the
system.
ൺ
No
LOCATE and RECTIFY break in circuit 15-
HB1 (GN/BU), between soldered connection
S123 and fuse F47 (CJB) using the Wiring
Diagrams. CHECK the operation of the
system.
N3: CHECK VOLTAGE SUPPLY TO LEFT WINDSHIELD WASHER NOZZLE HEATER FOR OPEN
CIRCUIT
1 Ignition switch in position 0.
2 Disconnect Left-hand windshield washer nozzle
heater from connector C721.
3 Ignition switch in position II.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
4 Measure voltage between left-hand windshield
washer nozzle heater, connector C721, pin 1,
circuit 15-HB13 (GN/BU), wiring harness side
and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0016017
GO to N4.
ൺ
No
LOCATE and RECTIFY break in circuit
between soldered connection S123 and left-
hand windshield washer nozzle heater using
the Wiring Diagrams. CHECK the operation
of the system.
N4: CHECK GROUND SUPPLY TO LEFT WINDSHIELD WASHER NOZZLE HEATER FOR OPEN
CIRCUIT
1 Ignition switch in position 0.
2 Measure the resistance between the left-hand
windshield washer nozzle heater, connector
C721, pin 2, circuit 31-HB13 (BK), wiring
harness side and ground.
• Is the resistance less than 2 ohms?
ൺ
Yes
VFE0022794
RENEW the left-hand windshield washer
nozzle heater. CHECK the operation of the
system.
ൺ
No
LOCATE and RECTIFY break in circuit
between left-hand windshield washer nozzle
heater and soldered connection S122 using
the Wiring Diagrams. CHECK the operation
of the system.
N5: CHECK VOLTAGE SUPPLY TO RIGHT WINDSHIELD WASHER NOZZLE HEATER FOR OPEN
CIRCUIT
1 Ignition switch in position 0.
2 Disconnect Right-hand windshield washer
nozzle heater from connector C720.
3 Ignition switch in position II.
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DIAGNOSIS AND TESTING
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