Infiniti I30 (A33). Manual — part 398
3
CHECK PARK POSITION SWITCH INPUT SIGNAL
Check voltage between seat control unit LH terminal 21 and ground.
SEL631W
OK or NG
OK
©
GO TO 4.
NG
©
Check the following.
I
Park position switch
I
Park position switch ground circuit
I
Harness for open or short between seat control unit LH and park position switch
4
CHECK DRIVER DOOR SWITCH INPUT SIGNAL
Check voltage between seat control unit LH terminal 9 and ground.
SEL632W
OK or NG
OK
©
GO TO 5.
NG
©
Check the following.
I
Driver door switch
I
Driver door switch ground circuit
I
Harness for open or short between seat control unit LH and driver door switch
5
CHECK VEHICLE SPEED SENSOR
Does speedometer operate normally?
Yes or No
OK
©
GO TO 6.
NG
©
Check speedometer and vehicle speed sensor circuit. Refer to EL-157.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont’d)
EL-261
6
CHECK VEHICLE SPEED SENSOR PULL UP VOLTAGE
1. Turn ignition switch “ON”.
2. Check voltage between seat control unit LH terminal 32 and ground.
SEL633W
OK or NG
OK
©
Harness for open or short between seat control unit LH and combination meter.
NG
©
Repair harness.
DIAGNOSTIC PROCEDURE 13
NHEL0277S16
(Seat memory switch check)
1
CHECK SEAT MEMORY SWITCH
1. Disconnect seat memory switch connector.
2. Check continuity between seat memory switch terminals.
SEL634W
OK or NG
OK
©
Check the following.
I
Ground circuit for seat memory switch
I
Harness for open or short between seat control unit LH and seat memory switch
NG
©
Replace seat memory switch.
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont’d)
EL-262
DIAGNOSTIC PROCEDURE 14
=NHEL0277S17
(Memory indicator check)
1
CHECK INDICATOR LAMP
Check indicator lamp illumination.
OK or NG
OK
©
GO TO 2.
NG
©
Replace seat memory switch (indicator lamp).
2
CHECK POWER SUPPLY CIRCUIT FOR INDICATOR LAMP
1. Disconnect seat memory switch connector.
2. Check voltage between seat memory switch terminal and ground.
SEL635W
OK or NG
OK
©
Check harness for open or short between seat control unit LH and seat memory switch
NG
©
Check the following.
I
10A fuse [No. 12 located in the fuse block (J/B)]
I
Harness for open or short between fuse and indicator lamp
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
AUTOMATIC DRIVE POSITIONER
Trouble Diagnoses (Cont’d)
EL-263
Schematic
NHEL0251
MEL221L
POWER SEAT
Schematic
EL-264
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