Ford Focus RS (2011 year). Instruction — part 71
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Connect a fused jumper wire (10 A) at the
wash/wipe system switch, connector C441, pin
5, circuit 91S-KA35 (BK/BU) and pin 3, circuit
91-KA12 (BK/WH), wiring harness side.
VFE0038542
4 Ignition switch in position II.
• Is the rear window wiper motor running in
intermittent wipe mode?
ൺ
Yes
RENEW the wash/wipe system switch.
CHECK the operation of the system.
ൺ
No
GO to A17.
A17: CHECK CIRCUIT 91S-KA35 (BK/BU) BETWEEN WASH/WIPE SWITCH AND CENTRAL
JUNCTION BOX (CJB) FOR BREAKS
1 Ignition switch in position 0.
2 Disconnect CJB from connector C103.
3 Measure the resistance between the wash/wipe
system switch, connector C441, pin 5, circuit
91S-KA35 (BK/BU), wiring harness side and the
CJB, connector C103, pin 24, circuit 91S-KA35
(BK/BU), CJB side.
• Is a resistance of less than 2 Ohms registered?
ൺ
Yes
VFE0038545
GO to A18.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the wash/wipe system switch and
CJB using the Wiring Diagrams. CHECK the
operation of the system.
A18: CHECK VOLTAGE AT THE REAR WINDOW WIPER MOTOR
NOTE: The minimum measurement duration is 20 seconds.
1 Connect Wash/wipe system switch to connector
C441.
2 Connect CJB to connector C103.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Disconnect rear window wiper motor from
connector C971.
4 Ignition switch in position II.
5 SWITCH ON rear window wiper.
6 Measure the voltage between the rear window
wiper motor, connector C971, pin 2, circuit 32-
KA28 (BK), wiring harness side and ground.
• Is battery voltage measured approximately
every 10 seconds?
ൺ
Yes
VFE0038546
GO to A20.
ൺ
No
GO to A19.
A19: CHECK CIRCUIT 32-KA28 (WH/RD OR BK) BETWEEN CENTRAL JUNCTION BOX (CJB)
AND REAR WINDOW WIPER MOTOR 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 14, circuit 32-KA28
(WH/RD), wiring harness side and rear window
wiper motor, connector C971, pin 2, circuit 32-
KA28 (BK), wiring harness side.
• Is a resistance of less than 2 Ohms registered?
ൺ
Yes
VFE48139
INSTALL a new GEM. CHECK the operation
of the system.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between CJB and the rear window wiper motor
using the Wiring Diagrams. CHECK the oper-
ation of the system.
A20: CHECK THE GROUND CONNECTION OF THE REAR 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 rear
window wiper motor, connector C971, pin 3,
circuit 31-KA28 (BK), wiring harness side and
ground.
• Is a resistance of less than 2 Ohms registered?
ൺ
Yes
VFE0038547
INSTALL a new rear window wiper motor.
CHECK the operation of the system.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the rear wiper motor and soldered
connection S196 using the Wiring Diagrams.
CHECK the operation of the system.
PINPOINT TEST B : THE WINDSHIELD WIPER RUNS CONTINUOUSLY
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
B1: DETERMINE THE FAULT CONDITION
1 Ignition switch in position 0.
2 Disconnect wash/wipe system switch from
connector C441.
3 Ignition switch in position II.
• Does the windscreen wiper motor run continu-
ously?
ൺ
Yes
- The windscreen wiper motor runs continu-
ously at slow wipe speed. GO to B2.
- The windscreen wiper motor runs continu-
ously at fast wipe speed.
GO to B3.
ൺ
No
RENEW the wash/wipe system switch.
CHECK the operation of the system.
B2: CHECK CIRCUIT 91S-KA10 (BK/GN) BETWEEN WASH/WIPE SWITCH AND CENTRAL
JUNCTION BOX (CJB) FOR SHORT TO GROUND
1 Ignition switch in position 0.
2 Disconnect CJB from connector C103.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Measure resistance between wash/wipe system
switch, connector C441, pin 6, circuit 91S-KA10
(BK/GN), wiring harness side and ground.
• Is the resistance greater than 10,000 Ohms?
ൺ
Yes
VFE0038549
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.
B3: CHECK CIRCUIT 91S-KA11 (BK/RD) BETWEEN WASH/WIPE SWITCH AND CENTRAL
JUNCTION BOX (CJB) FOR SHORT TO GROUND
1 Ignition switch in position 0.
2 Disconnect CJB from connector C103.
3 Measure resistance between wash/wipe system
switch, connector C441, pin 2, circuit 91S-KA11
(BK/RD), wiring harness side and ground.
• Is the resistance greater than 10,000 Ohms?
ൺ
Yes
VFE0038550
GO to B4.
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.
B4: CHECK CIRCUIT 32-KA11 (WH/BK) BETWEEN CENTRAL JUNCTION BOX (CJB) AND FRONT
WIPER MOTOR FOR SHORT TO BATTERY VOLTAGE
1 Disconnect CJB from connector C96.
2 Ignition switch in position II.
• Does the windshield wiper motor run continu-
ously at fast wipe speed?
ൺ
Yes
LOCATE and RECTIFY short to battery
voltage in circuit 32-KA11 (WH/BK) between
CJB and the front wiper motor using the Wiring
Diagrams. CHECK the operation of the
system.
ൺ
No
INSTALL a new GEM. CHECK the operation
of the system.
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DIAGNOSIS AND TESTING
PINPOINT TEST C : THE REAR WINDOW WIPER RUNS CONTINUOUSLY
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
C1: DETERMINE THE FAULT CONDITION
1 Ignition switch in position II.
• Does the rear window wiper motor run
continuously in intermittent wipe mode?
ൺ
Yes
GO to C3.
ൺ
No
- The rear window wiper motor runs continu-
ously (not in intermittent mode)
when the front
windscreen wiper is switched off:
GO to C2.
- The rear window wiper motor
runs continu-
ously (not in intermittent mode) when the front
wiper is switched on:
C2: CHECK THE CJB
1 Ignition switch in position 0.
2 Disconnect rear window wiper motor from
connector C971.
3 Ignition switch in position II.
4 Measure the voltage between the rear window
wiper motor, connector C971, pin 2, circuit 32-
KA28 (BK), wiring harness side and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0038546
INSTALL a new GEM. CHECK the operation
of the system.
ൺ
No
INSTALL a new rear window wiper motor.
CHECK the operation of the system.
C3: 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 Ignition switch in position II.
• Is the rear window wiper motor running in
intermittent wipe mode?
ൺ
Yes
GO to C4.
ൺ
No
RENEW the wash/wipe system switch.
CHECK the operation of the system.
C4: CHECK CIRCUIT 91S-KA35 (BK/BU) BETWEEN WASH/WIPE SWITCH AND CENTRAL
JUNCTION BOX (CJB) FOR SHORT TO GROUND
1 Ignition switch in position 0.
2 Disconnect CJB from connector C103.
3 Measure resistance between wash/wipe system
switch, connector C441, pin 5, circuit 91S-KA35
(BK/BU), wiring harness side and ground.
• Is the resistance greater than 10,000 Ohms?
ൺ
Yes
VFE0038551
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 D : SLOW/FAST WIPE NOT WORKING.
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
D1: DETERMINE THE FAULT CONDITION
1 Ignition switch in position II.
2 SWITCH ON slow wipe speed.
3 SWITCH ON fast wipe speed.
4 CHECK windshield wipers.
• Do the windshield wipers operate at slow
speed?
ൺ
Yes
Fast wipe speed inoperative.
GO to D2.
ൺ
No
Slow wipe speed inoperative.
GO to D6.
D2: CHECK THE WASH/WIPE SYSTEM SWITCH.
1 Ignition switch in position 0.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
2 Disconnect wash/wipe system switch from
connector C441.
3 Connect a fused jumper wire (10 A) at the
wash/wipe system switch, connector C441, pin
2, circuit 91S-KA11 (BK/RD) and pin 3, circuit
91-KA12 (BK/WH), wiring harness side.
VFE0038552
4 Ignition switch in position II.
• Do the wipers operate at fast speed?
ൺ
Yes
RENEW the wash/wipe system switch.
CHECK the operation of the system.
ൺ
No
GO to D3.
D3: CHECK CIRCUIT 91S-KA11 (BK/RD) BETWEEN WASH/WIPE SWITCH AND CENTRAL
JUNCTION BOX (CJB) FOR BREAKS
1 Ignition switch in position 0.
2 Disconnect CJB from connector C103.
3 Measure the resistance between the wash/wipe
system switch, connector C441, pin 2, circuit
91S-KA11 (BK/RD), wiring harness side and the
CJB, connector C103, pin 22, circuit 91S-KA11
(BK/RD), wiring harness side.
• Is a resistance of less than 2 Ohm registered?
ൺ
Yes
VFE0038553
GO to D4.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between the wash/wipe system switch and
CJB using the Wiring Diagrams. CHECK the
operation of the system.
D4: CHECK VOLTAGE AT THE WINDSHIELD WIPER MOTOR
1 Connect Wash/wipe system switch to connector
C441.
2 Connect CJB to connector C103.
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DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Disconnect windshield wiper motor from
connector C848.
4 Ignition switch in position II.
5 SWITCH ON fast wipe speed.
6 Measure the voltage between the front wind-
screen wiper motor, connector C848, pin 1,
circuit 32-KA11 (WH/BK), wiring harness side
and ground.
• Does the meter display battery voltage?
ൺ
Yes
VFE0038554
RENEW the windshield wiper motor. CHECK
the operation of the system.
ൺ
No
GO to D5.
D5: CHECK CIRCUIT 32-KA11 (WH/BK) BETWEEN CENTRAL JUNCTION BOX (CJB) AND FRONT
WIPER MOTOR FOR BREAKS
1 Ignition switch in position 0.
2 Disconnect CJB from connector C96.
3 Measure the resistance between the CJB,
connector C96, pin 23, circuit 32-KA11 (WH/BK),
wiring harness side and rear window wiper
motor, connector C848, pin 1, circuit 32-KA11
(WH/BK), wiring harness side.
• Is a resistance of less than 2 Ohms registered?
ൺ
Yes
VFE0038555
INSTALL a new GEM. CHECK the operation
of the system.
ൺ
No
LOCATE and RECTIFY the break in the circuit
between CJB and the windshield wiper motor
using the Wiring Diagrams. CHECK the oper-
ation of the system.
D6: 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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