Lexus NX manuals

Lexus NX: Inspection

Lexus NX Service Manual / Vehicle Interior / Seat / Power Seat Switch (for Rear Seat) / Inspection

INSPECTION

PROCEDURE

1. INSPECT NO. 1 FOLD SEAT SWITCH ASSEMBLY (for Front Side)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

1 (HRSR) - 7 (E)

RETURN RH switch pressed

Below 1 Ω

6 (HFSR) - 7 (E)

FOLD RH switch pressed

1 (HRSR) - 7 (E)

3 (HRSL) - 7 (E)

6 (HFSR) - 7 (E)

8 (HFSL) - 7 (E)

OFF

10 kΩ or higher

3 (HRSL) - 7 (E)

RETURN LH switch pressed

Below 1 Ω

8 (HFSL) - 7 (E)

FOLD LH switch pressed

If the result is not as specified, replace the No. 1 fold seat switch assembly.

*a

Component without harness connected

(No. 1 Fold Seat Switch Assembly)

(b) Apply auxiliary battery voltage to the switch connector and check that the No. 1 fold seat switch assembly illuminates.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 5 (+B)

Auxiliary battery negative (-) → Terminal 4 (ILL-)

Illumination illuminates

If the result is not as specified, replace the No. 1 fold seat switch assembly.

2. INSPECT REAR POWER SEAT SWITCH (for Rear Seat)

(a) for LH Side:

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

2 (FLDL) - 7 (E)

FOLD switch pressed

Below 1 Ω

2 (FLDL) - 7 (E)

3 (RTNL) - 7 (E)

OFF

10 kΩ or higher

3 (RTNL) - 7 (E)

RETURN switch pressed

Below 1 Ω

If the result is not as specified, replace the rear power seat switch.

*a

Component without harness connected

(Rear Power Seat Switch)

(b) for RH Side:

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

2 (RTNR) - 7 (E)

RETURN switch pressed

Below 1 Ω

2 (RTNR) - 7 (E)

3 (FLDR) - 7 (E)

OFF

10 kΩ or higher

3 (FLDR) - 7 (E)

FOLD switch pressed

Below 1 Ω

If the result is not as specified, replace the rear power seat switch.

*a

Component without harness connected

(Rear Power Seat Switch)

3. INSPECT NO. 2 FOLD SEAT SWITCH ASSEMBLY (for Rear Side)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

1 (RTRN) - 7 (E)

RETURN RH switch pressed

Below 1 Ω

6 (FOLD) - 7 (E)

FOLD RH switch pressed

1 (RTRN) - 7 (E)

3 (RTRN) - 7 (E)

6 (FOLD) - 7 (E)

8 (FOLD) - 7 (E)

OFF

Below 1 Ω

3 (RTRN) - 7 (E)

RETURN LH switch pressed

Below 1 Ω

8 (FOLD) - 7 (E)

FOLD LH switch pressed

If the result is not as specified, replace the No. 2 fold seat switch assembly.

*a

Component without harness connected

(No. 2 Fold Seat Switch Assembly)

(b) Apply auxiliary battery voltage to the switch connector and check that the No. 2 fold seat switch assembly illuminates.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 5 (+B)

Auxiliary battery negative (-) → Terminal 4 (ILL-)

Illumination illuminates

If the result is not as specified, replace the No. 2 fold seat switch assembly.

READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL NO. 2 FOLD SEAT SWITCH ASSEMBLY (for Rear Side) (a) Connect the connector. (b) Attach the 2 claws to install the No. 2 fold seat switch assembly.

 Rear Power Seat Control System

 Precaution

PRECAUTION POWER FOLDING SEAT FUNCTION HANDLING PRECAUTIONS NOTICE: When operating the rear power seat, make sure nothing is in the path of movement. When operating the rear power seat, do not al

SEE MORE:

 Park / Neutral Position Switch Circuit

DESCRIPTION The fold seat control ECU receives switch operation signals, back door open/close signal*1, rear door open/close signal*2 and driving condition signal (shift position, stop light switch assembly, parking brake switch assembly signals) from the main body ECU (multiplex network body ECU).

 Calibration

CALIBRATION ADJUST PARKING ASSIST MONITOR SYSTEM (a) This parking assist monitor system can be adjusted using the diagnostic screen of the display. (b) If the following operations are performed, it is necessary to perform adjustments and checks using the diagnostic screen. Part Name Operation

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