Ford Focus RS (2011 year). Instruction — part 73
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
E17: CHECK SIGNAL CABLE OF RAIN SENSOR FOR OPEN CIRCUIT
1 Measure the resistance between the CJB,
connector C98, pin 12, circuit 8-KA41 (WH/GN),
wiring harness side and the rain sensor,
connector C526, pin 3, circuit 8-KA41 (WH/GN),
wiring harness side.
• Is the resistance less than 2 ohms?
ൺ
Yes
VFE0038451
RENEW the rain sensor. 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 CJB and the rain sensor using the
Wiring Diagrams. CHECK the operation of the
system.
PINPOINT TEST F : THE WINDSHIELD WIPER RUNS CONTINUOUSLY IN INTERMITTENT MODE
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
F1: CHECK THE WASH/WIPE SYSTEM SWITCH.
1 Ignition switch in position 0.
2 Disconnect wash/wipe system switch from
connector C441.
3 CHECK the wash/wipe system switch according
to the component check at the end of this
section.
• Is the wash/wipe system switch OK?
ൺ
Yes
GO to F2.
ൺ
No
RENEW the wash/wipe system switch.
CHECK the operation of the system.
F2: CHECK CIRCUIT 10-KA8 (GY/RD) BETWEEN WASH/WIPE SWITCH AND CENTRAL JUNCTION
BOX (CJB) FOR SHORT TO GROUND
1 Disconnect CJB from connector C103.
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DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
2 Measure the resistance between the wash/wipe
system switch, connector C441, pin 12, circuit
10-KA8 (GY/RD), wiring harness side and
ground.
• Is the resistance greater than 10,000 Ohms?
ൺ
Yes
VFE48140
GO to F3.
ൺ
No
LOCATE and RECTIFY the short to ground
in the circuit between the wash/wipe system
switch and CJB using the Wiring Diagrams.
CHECK the operation of the system.
F3: CHECK CIRCUIT 8-KA47 (WH/GN) BETWEEN WASH/WIPE SWITCH AND CENTRAL JUNCTION
BOX (CJB) FOR SHORT TO GROUND
1 Measure resistance between wash/wipe system
switch, connector C441, pin 11, circuit 8-KA47
(WH/GN), wiring harness side and ground.
• Is the resistance greater than 10,000 Ohms?
ൺ
Yes
VFE0038562
GO to F4.
ൺ
No
LOCATE and RECTIFY the short to ground
in the circuit between the wash/wipe system
switch and CJB using the Wiring Diagrams.
CHECK the operation of the system.
F4: CHECK CIRCUIT 8-KA46 (WH/BU) BETWEEN WASH/WIPE SWITCH AND CENTRAL JUNCTION
BOX (CJB) FOR SHORT TO GROUND
1 Measure resistance between wash/wipe system
switch, connector C441, pin 9, circuit 8-KA46
(WH/BU), wiring harness side and ground.
• Is the resistance greater than 10,000 Ohms?
ൺ
Yes
VFE0038563
GO to F5.
ൺ
No
LOCATE and RECTIFY the short to ground
in the circuit between the wash/wipe system
switch and CJB using the Wiring Diagrams.
CHECK the operation of the system.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
F5: CHECK CIRCUIT 8-KA45 (WH/RD) BETWEEN WASH/WIPE SWITCH AND CENTRAL JUNCTION
BOX (CJB) FOR SHORT TO GROUND
1 Measure resistance between wash/wipe system
switch, connector C441, pin 7, circuit 8-KA45
(WH/RD), wiring harness side and ground.
• Is the resistance greater than 10,000 Ohms?
ൺ
Yes
VFE0038564
INSTALL a new GEM. CHECK the operation
of the system.
ൺ
No
LOCATE and RECTIFY the short to ground
in the circuit between the wash/wipe system
switch and CJB using the Wiring Diagrams.
CHECK the operation of the system.
PINPOINT TEST G : THE WINDSHIELD WIPER MOTOR DOES NOT RETURN TO THE PARK POSITION
AFTER BEING SWITCHED OFF
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
G1: CHECK CIRCUIT 31S-KA9 (BK/OG) BETWEEN FRONT WIPER MOTOR AND CENTRAL
JUNCTION BOX (CJB) FOR BREAKS
1 Ignition switch in position 0.
2 Disconnect windshield wiper motor from
connector C848.
3 Disconnect CJB from connector C96.
4 Measure the resistance between the front
windscreen wiper motor, connector C848, pin
3, circuit 31S-KA9 (BK/OG), wiring harness side
and the CJB, connector C96, pin 12, circuit 31S-
KA9 (BK/OG), wiring harness side.
• Is a resistance of less than 2 Ohms registered?
ൺ
Yes
VFE0038569
GO to G2.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between windshield wiper motor and the CJB
using the Wiring Diagrams. CHECK the oper-
ation of the system.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
G2: CHECK CIRCUIT 31S-KA9 (BK/OG) BETWEEN CENTRAL JUNCTION BOX (CJB) AND FRONT
WIPER MOTOR FOR SHORT TO GROUND
1 Measure the resistance between the front
windscreen wiper motor, connector C848, pin
3, circuit 31S-KA9 (BK/OG), wiring harness side
and ground.
• Is the resistance greater than 10,000 Ohms?
ൺ
Yes
VFE0038570
CHECK the front wiper motor according to the
component test at the end of this section and
RENEW as necessary. 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 short to ground
in the circuit between CJB and the windshield
wiper motor using the Wiring Diagrams.
CHECK the operation of the system.
PINPOINT TEST H : THE REAR WINDOW WIPER MOTOR DOES NOT RETURN TO THE PARK
POSITION AFTER BEING SWITCHED OFF
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
H1: DETERMINE THE BUILD YEAR
1 Check the build date via the chassis number.
• Was the vehicle built before 03/2005?
ൺ
Yes
GO to H13.
ൺ
No
GO to H2.
H2: 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 H3.
ൺ
No
GO to H5.
H3: CHECK FUSE F141 (10 A) (CJB)
1 Ignition switch in position 0.
2 Disconnect Fuse F141 (10 A) (CJB).
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 CHECK Fuse F141 (10 A) (CJB).
• Is the fuse OK?
ൺ
Yes
GO to H4.
ൺ
No
RENEW fuse F141 (10 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.
H4: CHECK THE VOLTAGE SUPPLY TO FUSE F141 (10 A) (CJB) FOR OPEN CIRCUIT
1 Connect Fuse F141 (10 A) (CJB).
2 Ignition switch in position II.
3 Measure the voltage between fuse F141 (10 A)
(CJB) and ground.
• Does the meter display battery voltage?
ൺ
Yes
GO to H7.
ൺ
No
RENEW the CJB. CHECK the operation of the
system.
H5: CHECK FUSE F84 (10 A) (CJB).
1 Ignition switch in position 0.
2 Disconnect Fuse F84 (10 A) (CJB).
3 CHECK Fuse F84 (10 A) (CJB).
• Is the fuse OK.?
ൺ
Yes
GO to H6.
ൺ
No
RENEW fuse F84 (10 A) (CJB) and CHECK
the operation of the system. If fuse blows
again, LOCATE and REMEDY the short to
ground with the aid of the wiring diagrams.
CHECK the operation of the system.
H6: CHECK THE VOLTAGE SUPPLY TO FUSE F84 (10A) (CJB) FOR OPEN CIRCUIT
1 Connect Fuse F84 (10 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 F84 (10 A)
(CJB) and ground.
• Is battery voltage measured?
ൺ
Yes
GO to H7.
ൺ
No
RENEW the CJB. CHECK the operation of the
system.
H7: CHECK VOLTAGE SUPPLY TO REAR WIPER RELAY FOR OPEN CIRCUIT (PIN 1)
1 Ignition switch in position 0.
2 Disconnect Rear wiper relay from socket C1100.
3 Ignition switch in position II.
4 Measure the voltage between the rear wiper
relay, socket C1100, pin 1, circuit 15S-KA28
(GN/BU), socket side and ground.
• Is battery voltage measured?
ൺ
Yes
E0036110
GO to H9.
ൺ
No
GO to H8.
H8: CHECK CIRCUIT 15S-KA28 (GN/BU) BETWEEN CENTRAL JUNCTION BOX (CJB) AND REAR
WIPER RELAY (PIN 1) FOR OPEN CIRCUIT
1 Ignition switch in position 0.
2 Disconnect CJB from connector C100.
3 Measure the resistance between the CJB,
connector C100, pin 35, circuit 15S-KA28
(GN/BU), wiring harness side and the rear wiper
relay, socket C1100, pin 1, circuit 15S-KA28
(GN/BU), socket side.
• Is a resistance of less than 2 Ohm registered?
ൺ
Yes
VFE64728
RENEW the CJB. CHECK the operation of the
system.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the CJB and the rear wiper relay
using the Wiring Diagrams. CHECK the oper-
ation of the system.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
H9: CHECK VOLTAGE SUPPLY TO REAR WIPER RELAY FOR OPEN CIRCUIT (PIN 3)
1 Measure the voltage between the rear wiper
relay, socket C1100, pin 3, circuit 29-KA28
(OG/BU), socket side and ground.
• Is battery voltage measured?
ൺ
Yes
VFE0016103
GO to H11
.
ൺ
No
GO to H10
.
H10: CHECK CIRCUIT 29-KA28 (OG/BU) BETWEEN CENTRAL JUNCTION BOX (CJB) AND REAR
WIPER RELAY (PIN 3) FOR OPEN CIRCUIT
1 Ignition switch in position 0.
2 Disconnect CJB from connector C100.
3 Measure the resistance between the CJB,
connector C100, pin 15, circuit 29-KA28
(OG/BU), wiring harness side and the rear wiper
relay, socket C1100, pin 3, circuit 29-KA28
(OG/BU), socket side.
• Is a resistance of less than 2 Ohms registered?
ൺ
Yes
VFE64729
RENEW the CJB. CHECK the operation of the
system.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the CJB and the rear wiper relay
using the Wiring Diagrams. CHECK the oper-
ation of the system.
H11: CHECK THE GROUND CONNECTION OF THE REAR WIPER RELAY 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 rear wiper
relay, socket C1100, pin 2, circuit 31-KA28 (BK),
socket side and ground.
• Is a resistance of less than 2 Ohm registered?
ൺ
Yes
VFE0016108
GO to H12.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the rear window wiper relay and
soldered connection S216 using the Wiring
Diagrams. CHECK the operation of the
system.
H12: CHECK THE REAR WIPER RELAY
1 Connect a fused bridging cable (15 A) to the
rear wiper relay, socket C1100, pin 3, circuit 29-
KA28 (OG/BU) and pin 5, circuit 29S-KA28
(OG/BU), socket side.
VFE0008746
2 Ignition switch in position II.
3 SWITCH the rear wiper ON and OFF.
4 CHECK the rear wiper.
• Does the rear wiper return to the park position?
ൺ
Yes
RENEW the rear wiper relay. CHECK the
operation of the system.
ൺ
No
GO to H13.
H13: CHECK THE VOLTAGE SUPPLY TO THE REAR WIPER MOTOR
NOTE: Only for vehicles built from 03/2005: The fused bridging cable used in the previous step is still
connected to the rear wiper relay.
1 Ignition switch in position 0.
2 Disconnect rear window wiper motor from
connector C971.
3 Ignition switch in position II.
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DIAGNOSIS AND TESTING
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