2001 INFINITI QX4 Factory Service Manual

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INFINITI QX4 2001  Factory Service Manual 2) End
After performing preliminary check, go to symptom chart
below.
Before starting trouble diagnoses below, perform preliminary
check, EL-199. Symptom numbers in the symptom chart cor-
respond with

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INFINITI QX4 2001  Factory Service Manual PROCEDURE Diagnostic procedure
REFERENCE PAGE (EL- ) 213 214 215 216 217 220 220
SYMPTOM
DIAGNOSTIC PROCEDURE 8
[Lifting motor (front) check]
DIAGNOSTIC PROCEDURE 9
[Lifting motor (rear) check]
DIAGNO

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INFINITI QX4 2001  Factory Service Manual SEL601W
DIAGNOSTIC PROCEDURE 1=NBEL0214S04(Power supply and ground circuit for drivers seat control unit)
Power Supply Circuit CheckNBEL0214S0401Check voltage between seat control unit LH terminal 1

Page 1388 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 2=NBEL0214S05(Sliding encoder check)
1 CHECK SLIDING ENCODER OUTPUT SIGNAL
Measure voltage between seat control unit LH terminal 18 and ground with CONSULT-II or oscilloscope when

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INFINITI QX4 2001  Factory Service Manual 3 CHECK SLIDING ENCODER OPEN CIRCUIT
1. Disconnect seat control unit LH connector and sliding device LH connector.
2. Check harness continuity between seat control unit LH connector and sliding device

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INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 3=NBEL0214S06(Reclining encoder check)
1 CHECK RECLINING ENCODER OUTPUT SIGNAL
Measure voltage between seat control unit LH terminal 29 and ground with CONSULT-II or oscilloscope

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INFINITI QX4 2001  Factory Service Manual 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

Page 1392 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 4=NBEL0214S07[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 o