Infiniti M35/M45 Y50. Manual - part 243

POWER DOOR LOCK SYSTEM

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Door Key Cylinder Switch Check

NIS001X6

1. 

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

With CONSULT-II

Check (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in “DATA MONITOR” mode for “POWER DOOR ROCK SYS-
TEM” with CONSULT-II.

Without CONSULT-II

1.

Turn ignition switch OFF.

2.

Check voltage between power window main switch connector and ground.

OK or NG

OK

>> Key cylinder switch circuit is OK.

NG

>> GO TO 2.

2. 

CHECK HARNESS CONTINUITY

1.

Disconnect power window main switch and front door key lock assembly (driver side) connector.

2.

Check continuity between power window main switch connector and front door lock assembly (driver side)
connector.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

Monitor item

Condition

KEY CYL LK-SW

Lock

: ON

Neutral / Unlock

: OFF

KEY CYL UN-SW

Unlock

: ON

Neutral / Lock

: OFF

PIIA6285E

Terminals

Key position

Voltage (V)

(Approx.)

(+)

(–)

Power window 

main switch 

connector

Terminal 

D10

4

Ground

Lock

0

Neutral / Unlock

5

6

Unlock

0

Neutral / Lock

5

PIIB5956E

A

B

Continuity 

Power window 

main switch  

 connector

Terminal

Front door lock 

assembly

 (driver side) 

connector

Terminal

D10

4

D14

6

Yes

6

5

PIIB5973E

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POWER DOOR LOCK SYSTEM

3. 

CHECK DOOR KEY CYLINDER SWITCH GROUND 

Check continuity between front door lock assembly (driver side) connector ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK DOOR KEY CYLINDER SWITCH

Check front door lock assembly (driver side).

OK or NG

OK

>> INSPECTION END.

NG

>> Replace front door key cylinder (driver side) switch.

Front door lock 

assembly 

(driver side)

 connector

Terminal

Continuity 

D14

4

Ground

Yes

PIIB5974E

Terminal

Key position

Continuity

Front door lock assembly

(driver side)

5 

4

Unlock

Yes

Neutral / Lock

No

6

Lock

Yes

Neutral / Unlock

No

PIIB5975E

INTELLIGENT KEY SYSTEM

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INTELLIGENT KEY SYSTEM

PFP:285e2

Component Parts and Harness Connector Location

NIS001X7

1.

Fuse block (J/B) fuse layout

2.

Fuse and fusible link box

3.

BCM M1, M2, M3 (View with instru-
ment lower panel RH removed) 

4.

IPDM E/R E9

5.

Push-button ignition switch M27
(Push switch)

6.

Combination meter M52

PIIB5860E

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INTELLIGENT KEY SYSTEM

7.

Unified meter and A/C amp. M64, M65

8.

Trunk opener cancel switch M99

9.

Front door switch (Driver side) B11

10. Rear door switch LH B53

11. Front door lock assembly D14 

(Unlock sensor) 

12. Trunk lid lock assembly T106 

(Trunk room lamp switch)