Ford Focus RS (2011 year). Instruction — part 70
Action
Description
DTC
GO to Pinpoint Test B.
Circuit of windshield wiper switch (switch
position 2) faulty (short to ground)
B2180
GO to Pinpoint Test B.
Circuit of windshield wiper switch (switch
position 3) faulty (short to ground)
B2181
GO to Pinpoint Test L.
Circuit of headlamp wash/wipe system
relay faulty
B2258
Symptom Chart
Symptom Chart
Action
Possible Sources
Symptom
•
GO to Pinpoint Test A.
• Fuse
• Circuit(s)
• Wash/wipe system switch
• Front wiper motor
• Rear wiper motor
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• Wipers inoperative
• RENEW the wash/wipe system
switch. CHECK the operation
of the system.
• Wash/wipe system switch
• Brief wipe is inoperative (slow
wipe OK)
• CHECK the GEM using the
Ford approved diagnostic tool,
RENEW if necessary. CHECK
the operation of the system. If
the concern persists:
• Circuit(s)
• Generic Electronic Module
(GEM)
• The rear window wiper is inop-
erative when the windshield
wiper is switched on and
reverse gear engaged (normal
wipe function OK).
• RENEW the central junction
box (CJB). CHECK the opera-
tion of the system.
• Central junction box (CJB)
• The windshield wiper runs
constantly at a slow wipe speed
with the ignition switched off.
•
GO to Pinpoint Test B.
• Circuit(s)
• Wash/wipe system switch
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• The windshield wiper runs
continuously
•
GO to Pinpoint Test C.
• Circuit(s)
• Wash/wipe system switch
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• Rear wiper motor
• The rear window wiper runs
continuously
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DIAGNOSIS AND TESTING
Action
Possible Sources
Symptom
•
GO to Pinpoint Test D.
• Circuit(s)
• Wash/wipe system switch
• Front wiper motor
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• Slow/fast wipe not working.
•
GO to Pinpoint Test E.
• Circuit(s)
• Wash/wipe system switch
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• Rain sensor
• Intermittent wipe mode of
windshield wiper inoperative,
vehicles with and without rain
sensor (fast/slow wipe OK)
•
GO to Pinpoint Test F.
• Circuit(s)
• Wash/wipe system switch
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• The windshield wiper runs
continuously in intermittent
mode
•
GO to Pinpoint Test G.
• Circuit(s)
• Front wiper motor
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• The windshield wiper motor
does not return to the park
position after being switched off
•
GO to Pinpoint Test H.
• Fuse
• Circuit(s)
• Rear wiper motor
• Central junction box (CJB)
• Rear wiper relay
• The rear window wiper motor
does not return to the park
position after being switched off
•
GO to Pinpoint Test I.
• Fuse
• Circuit(s)
• Wash/wipe system switch
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• The front and rear wash/wipe
functions are inoperative (wipe
and intermittent function OK)
•
GO to Pinpoint Test J.
• Wash/wipe system switch
• Wash and wipe function (front
or rear) in continuous operation
for 60 seconds
• RENEW the wash/wipe system
switch. CHECK the operation
of the system.
• Wash/wipe system switch
• The front wash/wipe function is
inoperative (rear wash/wipe
function OK)
• RENEW the wash/wipe system
switch. CHECK the operation
of the system.
• Wash/wipe system switch
• The rear wash/wipe function is
inoperative (front wash/wipe
function OK)
•
GO to Pinpoint Test K.
• Circuit(s)
• Washer pump motor, front/rear
• Central junction box (CJB)
• Washer system is inoperative
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DIAGNOSIS AND TESTING
Action
Possible Sources
Symptom
•
GO to Pinpoint Test L.
• Fuse
• Circuit(s)
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• Battery junction box (BJB)
• Headlamp cleaning system
pump
• Headlamp cleaning system
relay
• Headlamp washer system is
inoperative
•
GO to Pinpoint Test M.
• Fuse
• Circuit(s)
• Headlamp cleaning system
relay
• Central junction box (CJB)
• Generic Electronic Module
(GEM)
• Battery junction box (BJB)
• Headlamp washer system
operates continuously
•
GO to Pinpoint Test N.
• Circuit(s)
• Left/right windshield washer
nozzle heater.
• Windshield washer nozzle
heater is inoperative
System Check
NOTE: Use a digital multimeter for all electrical
measurements.
PINPOINT TEST A : WIPERS INOPERATIVE
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
A1: DETERMINE THE FAULT CONDITION
1 Ignition switch in position II.
2 SWITCH ON windshield wiper.
3 SWITCH ON rear window wiper.
• Are both windshield wipers inoperative?
ൺ
Yes
GO to A2
.
ൺ
No
- Windshield wipers inoperative:
GO to A4.
- Rear window wiper inoperative:
GO to A12.
- Rear window wiper not returning to the park
position:
GO to Pinpoint Test H.
A2: CHECK THE GROUND CONNECTION OF THE WASH/WIPE SYSTEM SWITCH FOR OPEN
CIRCUIT
1 Ignition switch in position 0.
2 Disconnect wash/wipe system switch from
connector C441.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Measure resistance between wash/wipe system
switch, connector C441, pin 3, circuit 91-KA12
(BK/WH), wiring harness side and ground.
• Is a resistance of less than 2 Ohms registered?
ൺ
Yes
VFE0038540
RENEW the wash/wipe system switch.
CHECK the operation of the system. If the
concern is not rectified, INSTALL A NEW
GEM. CHECK the operation of the system.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the wash/wipe system switch and
soldered connection S12 using the Wiring
Diagrams. CHECK the operation of the
system.
A3: DETERMINE THE EQUIPMENT LEVEL OF THE CENTRAL JUNCTION BOX (CJB).
1 Unfasten the CJB and fold it down.
• Is the location for connector C100 on the top
of the CJB?
ൺ
Yes
GO to A4.
ൺ
No
GO to A6.
A4: CHECK FUSE F129 (20 A) (CJB)
1 Ignition switch in position 0.
2 Disconnect Fuse F129 (20 A) (CJB).
3 CHECK Fuse F129 (20 A) (CJB).
• Is the fuse OK?
ൺ
Yes
GO to A5.
ൺ
No
RENEW fuse F129 (20 A) (CJB) and 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.
A5: CHECK THE VOLTAGE SUPPLY TO FUSE F129 (20 A) (CJB) FOR OPEN CIRCUIT
1 Connect Fuse F129 (20 A) (CJB).
2 Ignition switch in position II.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Measure the voltage between fuse F129 (20 A)
(CJB) and ground.
• Does the meter display battery voltage?
ൺ
Yes
GO to A8.
ൺ
No
RENEW the CJB. CHECK the operation of the
system.
A6: CHECK FUSE F50 (20 A) (CJB).
1 Ignition switch in position 0.
2 Disconnect fuse F50 (20 A) (CJB).
3 CHECK fuse F50 (20 A) (CJB).
• Is the fuse OK?
ൺ
Yes
GO to A7.
ൺ
No
RENEW fuse F50 (20 A) (CJB) and 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.
A7: CHECK THE VOLTAGE SUPPLY TO FUSE F50 (20A) (CJB) FOR OPEN CIRCUIT
1 Connect fuse F50 (20 A) (CJB).
2 Ignition switch in position II.
3 Measure the voltage between fuse F50 (20 A)
(CJB) and ground.
• Does the meter display battery voltage?
ൺ
Yes
GO to A8.
ൺ
No
RENEW the CJB. CHECK the operation of the
system.
A8: CHECK THE WASH/WIPE SYSTEM SWITCH.
1 Ignition switch in position 0.
2 Disconnect wash/wipe system switch from
connector C441.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Connect a fused jumper wire (10 A) at the
wash/wipe system switch, connector C441, pin
6, circuit 91S-KA10 (BK/GN) and pin 3, circuit
91-KA12 (BK/WH), wiring harness side.
VFE48138
4 Ignition switch in position II.
• Does the windshield wiper motor run continu-
ously at slow wipe speed?
ൺ
Yes
RENEW the wash/wipe system switch.
CHECK the operation of the system.
ൺ
No
GO to A9.
A9: CHECK VOLTAGE AT THE WINDSHIELD WIPER MOTOR
NOTE: The fused jumper wire used in the previous test step is still connected to the wash/wipe system
switch.
1 Ignition switch in position 0.
2 Disconnect windshield wiper motor from
connector C848.
3 Ignition switch in position II.
4 Measure the voltage between the front wind-
screen wiper motor, connector C848, pin 2,
circuit 32-KA10 (WH/GN), wiring harness side
and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0038543
GO to A10.
ൺ
No
INSTALL a new GEM. CHECK the operation
of the system.
A10: CHECK THE GROUND CONNECTION OF THE FRONT WIPER MOTOR FOR OPEN CIRCUIT
1 Ignition switch in position 0.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
2 Measure the resistance between the front
windscreen wiper motor, connector C848, pin
4, circuit 31-KA9B (BK), wiring harness side and
ground.
• Is a resistance of less than 2 Ohms registered?
ൺ
Yes
VFE0038544
RENEW the windshield wiper motor. CHECK
the operation of the system.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the front wiper motor and soldered
connection S111 using the Wiring Diagrams.
CHECK the operation of the system.
A11: DETERMINE THE EQUIPMENT LEVEL OF THE CENTRAL JUNCTION BOX (CJB).
1 Unfasten the CJB and fold it down.
• Is the location for connector C100 on the top
of the CJB?
ൺ
Yes
GO to A12.
ൺ
No
GO to A14.
A12: CHECK FUSE F131 (15 A) (CJB)
1 Ignition switch in position 0.
2 Disconnect Fuse F131 (15 A) (CJB).
3 CHECK Fuse F131 (15 A) (CJB).
• Is the fuse OK?
ൺ
Yes
GO to A13.
ൺ
No
RENEW fuse F131 (15 A) and 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.
A13: CHECK THE VOLTAGE SUPPLY TO FUSE F131 (15 A) (CJB) FOR OPEN CIRCUIT
1 Connect Fuse F131 (15 A) (CJB).
2 Ignition switch in position II.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Measure the voltage between fuse F131 (15 A)
(CJB) and ground.
• Does the meter display battery voltage?
ൺ
Yes
GO to A16.
ൺ
No
RENEW the CJB. CHECK the operation of the
system.
A14: CHECK FUSE F78 (15 A) (CJB).
1 Ignition switch in position 0.
2 Disconnect fuse F78 (15 A) (CJB).
3 CHECK fuse F78 (15 A) (CJB).
• Is the fuse OK?
ൺ
Yes
GO to A15.
ൺ
No
RENEW fuse F78 (15 A) and 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.
A15: CHECK THE VOLTAGE SUPPLY TO FUSE F78 (15A) (CJB) FOR OPEN CIRCUIT
1 Connect fuse F78 (15 A) (CJB).
2 Ignition switch in position II.
3 Measure the voltage between fuse F78 (15 A)
(CJB) and ground.
• Does the meter display battery voltage?
ൺ
Yes
GO to A16.
ൺ
No
RENEW the CJB. CHECK the operation of the
system.
A16: CHECK THE WASH/WIPE SYSTEM SWITCH.
1 Ignition switch in position 0.
2 Disconnect wash/wipe system switch from
connector C441.
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DIAGNOSIS AND TESTING
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