Chery QQ, Service Manual

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Chery QQ Service Manual BCM Computer Control System
Figure Inspection of the performance of the front wiper motor
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7
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Trouble-shooting of the wiper and wash equipment
Typical troubleshooting can be seen in the table
Trouble-shooting chart of wiper and washing equipment
Symptom
Possible causes Solution
Start-up switch on, turning the
wiper switch among the
positions, but the wiper fails to
work.
Fuse blowing out
Wiper motor socket joint defective
Internal circuit break rotor of wiper
motor clamping
Replace
Repair or replace
Repair or replace
Wiper fails to work except in
“slow” mode
Loose contact or circuit break of the
connecting wire
Relay damaged
Wiper switch defective
Repair or replace
connecting wire
Replace
Repair or replace
Wiper fails to work except in
“fast” mode
Relay defective Replace
Wiper works except in “int”
mode
Loose contact or circuit break of the
connecting wire
Wiper switch defective
Relay damaged
Repair or replace
connecting wire
Repair or replace
Replace
In “water injection” position
the wiper fails to wipe and
inject water, while works well
in the other positions
Loose contact or circuit break of the
connecting wire
Wiper switch defective
Water injection motor or Water
injection pump defective.
Connecting pipe or nozzle blocked
Repair or replace
Repair or replace
Repair, replace or clean
Water marks remain on the
window
Wiper rubber strip contaminated Clean the wiper rubber
strip with hard nylon brush
and cleaning agent
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