2KZ/2K0
1-4-20
4013 Polygon motor (M) startup
error
Polygon motor (M) is not sta-
bilized within 10 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 none,
replace the cable.
Laser scanner unit (M) and LSU connect
PWB(YC7)
LSU connect PWB and engine PWB (YC12)
Defective motor. Replace the Laser scanner unit (M).
Defective PWB. Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-31).
4014 Polygon motor (Y) startup
error
Polygon motor (Y) is not stabi-
lized within 10 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 none,
replace the cable.
Laser scanner unit (Y) and LSU connect
PWB(YC8)
LSU connect PWB and engine PWB (YC12)
Defective motor. Replace the Laser scanner unit (Y).
Defective PWB. Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-31).
4101 BD initialization problem (K)
BD is not detected within one
second after the polygon
motor 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.
BDPWB and APCPWB
APCPWB and LSU connect PWB (YC1)
LSU connect PWB and engine PWB (YC12)
Defective
APCPWB.
Replace the Laser scanner unit (K).
(see page 1-5-20)
Defective BDPWB.
Defective Main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-30).
4102 BD initialization problem (C)
BD is not detected within one
second after the polygon
motor 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.
BDPWB and APCPWB
APCPWB and LSU connect PWB (YC2)
LSU connect PWB and engine PWB (YC12)
Defective
APCPWB.
Replace the Laser scanner unit (C).
(see page 1-5-20)
Defective BDPWB.
Defective Main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-30).
Code Contents Causes
Check procedures/
corrective measures
Service Manual Y113010-4
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