Infiniti M45 (Y34). Manual - part 299

WARNING LAMPS

DI-41

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2. 

CHECK DOOR WARNING LAMP

1.

Connect combination meter connector.

2.

Turn ignition switch ON.

3.

Check voltage between BCM harness connector M4 terminal
111 (P/B) and ground.

OK or NG

OK

>> Combination meter is OK.

NG

>> Replace combination meter.

Inspection/Front Door Switch

AKS002IM

1. 

CHECK FRONT DOOR SWITCH OPERATION

With CONSULT-II

See “DOOR SW” in “DATA MONITOR” mode.

Without CONSULT-II

Check front door switches in “SWITCH MONITOR” mode. Refer to

DI-39, "On Board Diagnosis"

 .

OK or NG

OK

>> Front door switch is OK.

NG

>> GO TO 2.

2. 

CHECK FRONT DOOR SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and front door switches connector.

3.

Check the following.

–

Continuity between BCM harness connector B4 terminal 142 (R/
Y) and front door switch (driver side) harness connector B20 ter-
minal 1 (R/Y)

–

Continuity between BCM harness connector M4 terminals 37
(LG) and front door switch (passenger side) harness connector
B220 terminal 1 (LG)

4.

Check continuity between BCM harness connector M4, B4 ter-
minals 37 (LG), 142 (R/Y) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

Approx. 12V

SKIA4129E

When door is opened 

: ON

When door is closed

: OFF

SEL498W

Continuity should exist.

Continuity should exist.

Continuity should not exist.

SKIA3727E

DI-42

WARNING LAMPS

3. 

CHECK FRONT DOOR SWITCH (DRIVER SIDE OR PASSENGER SIDE) 

Check front door switch.

OK or NG

OK

>> Front door switch is OK.

NG

>> Replace front door switch.

Inspection/Rear Door Switch

AKS002IN

1. 

CHECK REAR DOOR SWITCH OPERATION

With CONSULT-II

See “DOOR SW” in “DATA MONITOR” mode.

Without CONSULT-II

Check rear doors switches in “SWITCH MONITOR” mode. Refer to

DI-39, "On Board Diagnosis"

 .

OK or NG

OK

>> Door lock assembly rear (door switch) is OK.

NG

>> GO TO 2.

2. 

CHECK REAR DOOR SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and door lock assembly rear (door switch) connector.

3.

Check the following.

–

Continuity between BCM harness connector B4 terminal 143
(W/L) and door lock assembly rear RH (door switch) harness
connector D82 terminal 1 (W)

–

Continuity between BCM harness connector M4 terminal 33 (W)
and door lock assembly rear LH (door switch) harness connec-
tor D62 terminal 1 (W)

4.

Check continuity between BCM harness connector M4, B4 ter-
minal 33 (W), 143 (W/L) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

When front door switch 
is released 

: Continuity should exist.

When front door switch 
is pushed

: Continuity should not exist.

SKIA7786E

When door is opened

: ON

When door is closed

: OFF

SEL498W

Continuity should exist.

Continuity should exist.

Continuity should not exist.

SKIA4132E

WARNING LAMPS

DI-43

C

D

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F

G

H

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M

A

B

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3. 

CHECK REAR DOOR SWITCH

Check continuity between door lock assembly rear (door switch) har-
ness connector D62(LH) or D82(RH) terminals 1and 2.

OK or NG

OK

>> GO TO 4.

NG

>> Replace door lock assembly rear (door switch) LH or

RH.

4. 

CHECK REAR DOOR SWITCH GROUND CIRCUIT

Check continuity between door lock assembly rear (door switch)
connector D62 (LH) or D82 (RH) terminal 2 (B) and ground.

OK or NG

OK

>> Door lock assembly rear (door switch) is OK.

NG

>> Repair harness or connector.

Electrical Components Inspection

AKS002IO

OIL PRESSURE SWITCH

Check continuity between the oil pressure switch and ground.

When rear door is 
opened

: Continuity should exist.

When rear door is 
closed

: Continuity should not exist.

SKIA4133E

Continuity should exist.

SKIA4105E

Condition

Oil pressure kPa (kg/cm

2

 , psi)

Continuity

Engine stopped

Less than 29 (0.3, 4)

Yes

Engine running

More than 29 (0.3, 4) 

No

ELF0044D

DI-44

A/T INDICATOR

A/T INDICATOR

PFP:24814

Wiring Diagram — AT/IND —

AKS002IP

TKWA1651E