Infiniti I35 (A33). Manual — part 409
![](/vehicles/zatt/ltherawowha/yose/spio.png)
3
CHECK RECLINING ENCODER OPEN CIRCUIT
1. Disconnect seat control unit LH connector and reclining device LH connector.
2. Check harness continuity between seat control unit LH connector and reclining LH connector.
SEL609W
OK or NG
OK
©
GO TO 4.
NG
©
Repair harness.
4
CHECK RECLINING ENCODER SHORT CIRCUIT
Check harness continuity between seat control unit LH connector and ground.
SEL610W
OK or NG
OK
©
Replace reclining encoder.
NG
©
Repair harness.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont’d)
EL-237
![](/vehicles/zatt/ltherawowha/yose/cmela.png)
DIAGNOSTIC PROCEDURE 4
=NHEL0277S07
[Lifting encoder (front) check]
1
CHECK LIFTING ENCODER (FRONT) OUTPUT SIGNAL
Measure voltage between seat control unit LH terminal 19 and ground with CONSULT-II or oscilloscope when power seat
lifting (front) is operated.
SEL611W
OK or NG
OK
©
Lifting encoder (front) is OK.
NG
©
GO TO 2.
2
CHECK LIFTING ENCODER (FRONT) INPUT SIGNAL
Check voltage between seat control unit LH terminal 17 and ground.
SEL612W
OK or NG
OK
©
GO TO 3.
NG
©
Replace seat control unit LH.
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont’d)
EL-238
![](/vehicles/zatt/ltherawowha/yose/pafta.png)
3
CHECK LIFTING ENCODER (FRONT) OPEN CIRCUIT
1. Disconnect seat control unit LH connector and front lifting device LH connector.
2. Check harness continuity between seat control unit LH connector and front lifting device LH connector.
SEL613W
OK or NG
OK
©
GO TO 4.
NG
©
Repair harness.
4
CHECK LIFTING ENCODER (FRONT) SHORT CIRCUIT
Check harness continuity between seat control unit LH connector and ground.
SEL614W
OK or NG
OK
©
Replace lifting encoder (front).
NG
©
Repair harness.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont’d)
EL-239
![](/vehicles/zatt/ltherawowha/yose/buritaved.png)
DIAGNOSTIC PROCEDURE 5
=NHEL0277S08
[Lifting encoder (rear) check]
1
CHECK LIFTING ENCODER (REAR) OUTPUT SIGNAL
Measure voltage between seat control unit LH terminal 30 and ground with CONSULT-II or oscilloscope when power seat
lifting (rear) is operated.
SEL615W
OK or NG
OK
©
Lifting encoder (rear) is OK.
NG
©
GO TO 2.
2
CHECK LIFTING ENCODER (REAR) INPUT SIGNAL
Check voltage between seat control unit LH terminal 17 and ground.
SEL616W
OK or NG
OK
©
GO TO 3.
NG
©
Replace seat control unit LH.
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont’d)
EL-240
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