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2KZ/2K0
1-4-14
2102
Developer motor YCM
steady-state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
developer motor YCM
stabilizes.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Developer motor YCM and engine PWB
(YC3)
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective motor.
Replace the Developer motor YCM.
Defective PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
2111
Developer motor K startup
error
Developer motor K is not sta-
bilized within 2 s since the
motor is activated.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity of the connector cable. If necessary,
replace the cable.
Developer motor K and engine PWB (YC4)
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
necessary.
Defective motor.
Replace the Developer motor K.
Defective PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
2112
Developer motor YCM
startup error
Developer motor YCM is not
stabilized within 2 s since the
motor is activated.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If neces-
sary, replace the cable.
Developer motor YCM and engine PWB
(YC4)
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
necessary.
Defective motor.
Replace the Developer motor YCM.
Defective PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
Code
Contents
Causes
Check procedures/
corrective measures
Service Manual Y113010-4