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2) End
After performing preliminary check, go to symptom chart
below.
Before starting trouble diagnoses below, perform preliminary
check, EL-226. Symptom numbers in the symptom chart cor-
respond with those of preliminary check.
SYMPTOM CHART
NAEL0369S03
PROCEDURE Diagnostic procedure
REFERENCE PAGE (EL- ) 229 230 232 234 236 238 239
SYMPTOM
DIAGNOSTIC PROCEDURE 1
(Power supply and ground circuit
for Driver’s seat control unit)
DIAGNOSTIC PROCEDURE 2
(Sliding encoder check)
DIAGNOSTIC PROCEDURE 3
(Reclining encoder check)
DIAGNOSTIC PROCEDURE 4
[Lifting encoder (front) check]
DIAGNOSTIC PROCEDURE 5
[Lifting encoder (rear) check]
DIAGNOSTIC PROCEDURE 6
(Sliding motor check)
DIAGNOSTIC PROCEDURE 7
(Reclining motor check)
1 No seat system functions operate. X
2
Some of the seat
system functions
do not operate
during automatic/
manual opera-
tion.
Sliding X
Reclining X
Lifting (Front)
Lifting (Rear)
3
No functions operate during auto-
matic operation, and some/all func-
tions do not during manual opera-
tion.
4
Some of the seat
system functions
do not operate
during automatic
operation.
Sliding X
Reclining X
Lifting (Front) X
Lifting (Rear) X
5
No automatic operation functions
operate.
6
Drive position cannot be retained
in the memory.
7
Does not operate
during manual
operation. (Oper-
ates during auto-
matic operation.)
Sliding
Reclining
Lifting (Front)
Lifting (Rear)
8
Automatic operation cannot be
canceled.
9 Memory indicator does not light up.
X : Applicable
GI
MA
EM
LC
EC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont’d)
EL-227
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