Infiniti QX4 (R50). Manual - part 347

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 when power seat
reclining is operated.

SEL607W

OK or NG

OK

©

Reclining encoder is OK.

NG

©

GO TO 2.

2

CHECK RECLINING ENCODER INPUT SIGNAL

Check voltage between seat control unit LH terminal 17 and ground.

SEL608W

OK or NG

OK

©

GO TO 3.

NG

©

Replace seat control unit LH.

GI

MA

EM

LC

EC

FE

AT

TF

PD

AX

SU

BR

ST

RS

BT

HA

SC

IDX

AUTOMATIC DRIVE POSITIONER

Trouble Diagnoses (Cont’d)

EL-205

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.

SEL609WA

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.

AUTOMATIC DRIVE POSITIONER

Trouble Diagnoses (Cont’d)

EL-206

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 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.

GI

MA

EM

LC

EC

FE

AT

TF

PD

AX

SU

BR

ST

RS

BT

HA

SC

IDX

AUTOMATIC DRIVE POSITIONER

Trouble Diagnoses (Cont’d)

EL-207

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.

SEL613WA

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.

AUTOMATIC DRIVE POSITIONER

Trouble Diagnoses (Cont’d)

EL-208