2001 INFINITI QX4 Factory Service Manual

Page 1393 of 2395

INFINITI QX4 2001  Factory Service Manual 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

Page 1394 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 5=NBEL0214S08[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 osc

Page 1395 of 2395

INFINITI QX4 2001  Factory Service Manual 3 CHECK LIFTING ENCODER (REAR) OPEN CIRCUIT
1. Disconnect seat control unit LH connector and rear lifting device LH connector.
2. Check harness continuity between seat control unit LH connector and re

Page 1396 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 6=NBEL0214S09(Sliding motor check)
1 CHECK OUTPUT SIGNAL TO SLIDING MOTOR
Check voltage between seat control unit LH terminals 3 or 10 and ground.
SEL619W
OK or NG
OK©GO TO 2.
NG

Page 1397 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 7=NBEL0214S10(Reclining motor check)
1 CHECK OUTPUT SIGNAL TO RECLINING MOTOR
Check voltage between seat control unit LH terminals 4 or 12 and ground.
SEL621W
OK or NG
OK©GO TO 2

Page 1398 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 8=NBEL0214S11[Lifting motor (front) check]
1 CHECK OUTPUT SIGNAL TO LIFTING MOTOR (FRONT)
Check voltage between seat control unit LH terminals 5 or 13 and ground.
SEL623W
OK or NG

Page 1399 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 9=NBEL0214S12[Lifting motor (rear) check]
1 CHECK OUTPUT SIGNAL TO LIFTING MOTOR (REAR)
Check voltage between seat control unit LH terminals 6 or 7 and ground.
SEL625W
OK or NG
OK

Page 1400 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 10=NBEL0214S13(Power seat switch check)
1 CHECK POWER SEAT SWITCH
1. Disconnect power seat switch LH connector.
2. Check continuity between power seat switch terminals.
SEL569X
OK