Geely EC718, EC718RV, EC715, EC715RV. Manual part — 428
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 428
11.6.7 Diagnostic Information and Procedures
11.6.7.1 Diagnosis Description
Refer to
get familiar with the system functions and operation before start system diagnostics, so
that it will help to determine the correct diagnostic steps, more importantly, it will also help to determine whether the customer
described situation is normal.
11.6.7.2 Visual Inspection
–
Check installed after market equipment that may affect windshield wiper system operation.
–
Check the easy to access system components to identify whether there is a significant damage or potential malfunction.
–
Check whether the washer fluid level is correct.
11.6.7.3 Wiper Inoperative At All Speed
Schematic:
Wiper/Washer Switch
Front Wiper Switch
Intermittent Control
Front Wiper Motor
To BCM
To Fuse Block
FE11-5501b
Body Electric
Wipers / Washers System
11-225
Diagnostic Steps:
Step 1
Check the fuse IF27.
IF14
IF2
IF1
IF5
IF7
IF3
IF16
IF27
IF25
IF26
IF28
IF30
IF24
IF20
IF19
IF23
IF18
IF21
IF13
IF12
IF15
IF9
IF10
IF8
F17
F22
M
FE11-5502b
(a)
Is the fuse IF27 blown?
Fuse Rating: 20 A
Is the fuse blown?
No
Yes
Step 2
Repair the fuse IF27 circuit.
(a)
Check whether the IF27 circuit is a short circuit.
(b)
Repair the circuits. Confirm that there are no short circuits.
(c)
Replace with fuses with rated current.
Are the wipers working properly?
Yes
System normal
No
Step 3
Check the wiper motor harness connector terminal No.1 voltage.
Front Wiper Motor Harness Connector CA14
FE11-5503b
(a)
Turn on the ignition switch.
(b)
Turn the wiper switch to "LOW" position.
(c)
Measure the wiper motor harness connector terminal No.1
voltage with a multimeter.
Standard Voltage: 11-14 V
Is the voltage specified value?
No
Yes
Step 4
Replace the wiper motor.
(a)
Replace the wiper motor. Refer to
11-226
Wipers / Washers System
Body Electric
Are the wipers working properly?
Yes
System normal
No
Step 5
Check the wiper switch wiring harness connector terminal No.11 voltage.
Wiper Switch Harness Connector IP19
FE11-5504b
(a)
Disconnect the wiper switch wiring harness connector.
(b)
Turn on the ignition switch.
(c)
Measure terminal No.11 voltage with a multimeter.
Standard Voltage: 11-14 V
Is the voltage specified value?
Yes
No
Step 6
Repair the wiper switch wiring harness connector circuit.
Wiper Switch Harness Connector IP19
FE11-5505b
(a)
Check and repair the open circuit between the wiper switch
wiring harness connector terminal No.11 and the fuse IF27.
Are the wipers working properly?
Yes
System normal
Body Electric
Wipers / Washers System
11-227
No
Step 7
Check the wiper switch continuity.
Wiper Switch Harness Connector IP19
FE55-5506b
(a)
Turn the wiper switch to "LOW" position.
(b)
Measure resistance between the wiper switch terminal No.11
and 7 with a multimeter.
Resistance Standard Value: Less than 1 Ω
Is the resistance specified value?
Yes
No
Step 8
Replace the wiper switch.
(a)
Replace the wiper switch. Refer to
Is the wiper switch working correctly?
Yes
System normal
No
Step 9
Check wiper switch and wiper motor circuit.
11-228
Wipers / Washers System
Body Electric
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