Edition 2 Chapter 2 Page 2-10
Feb/2013 Troubleshooting
Part Problem Cause Remedy
b) If the balls or rollers in the
bearingsare damaged, there
can be spots and scale on
the roller bed, which causes
noise when each gear is at
low rotational speed.
Replace
c) A knocking sound (at low
turning speed) and
screaming sound (at high
turning speed) can be heard
if the gear cracks at an
impulsive load or when the
component was assembly.
Replace
Screaming sound
a) Caused by normal abrasion
of the gears, including spots
generated after long-period
application and screaming
sound before being
damaged.
Replace
b) Caused by incorrect
engagement of gears which
could be verified by
unevenly tooth face
abrasion.
Replace
Backup light
illuminates all
the time or
does not
illuminate.
a) No electricity Examine power supply and
repair
b) No supply of electricity to the
reverse gear of the gear selector
Examine corresponding
lines and Repair.
c) The control pin for reverse gear of
the gear selector is stuck or the
reverse gear is on or off all the
time
Replace related
component
The ignition
switch cannot
turn.
a) No electricity Examine power supply and
repair
b) Air is in the oil pipeline Bleed the air from the
system
of ignition
switch do not
function.
The switch to stop the current of
solenoid valve does not operate
Replace the defected
solenoid valve