Infiniti M35/M45 Y50. Manual - part 920

TURN SIGNAL AND HAZARD WARNING LAMPS

LT-225

C

D

E

F

G

H

I

J

L

M

A

B

LT

4. 

CHECK TURN SIGNAL LAMP CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector, front combination lamp RH and LH connector, side turn signal lamp RH and
LH connector, rear combination lamp RH and LH connector.

3.

Check continuity between BCM harness connector (A) and front
combination lamp (RH and LH) harness connector (B).

4.

Check continuity between BCM harness connector (A) and side
turn signal lamp (RH and LH) harness connector (B).

5.

Check continuity between BCM harness connector (A) and rear
combination lamp (RH and LH) harness connector (B).

OK or NG

OK

>>  GO TO 5.

NG

>> Repair harness or connector.

5. 

CHECK SIGNAL LAMP CIRCUIT (SHORT CIRCUIT)

Check continuity between BCM harness connector and ground.

OK or NG

OK

>> Replace BCM. Replace BCM if turn signal lamp does

not work after setting the connector again. Refer to

BCS-15, "Removal and Installation of BCM"

 .

NG

>> Repair harness or connector.

Circuit

A

B

Continuity

Connector

Terminal

Connector

Terminal

LH

M2

45

E55

10

Yes

RH

46

E49

10

SKIB4807E

Circuit

A

B

Continuity

Connector

Terminal

Connector

Terminal

LH

M2

45

E68

1

Yes

RH

46

E28

1

PKID0504E

Circuit

A

B

Continuity

Connector

Terminal

Connector

Terminal

LH

M2

45

B135

3

Yes

RH

46

B130

3

SKIB4809E

BCM connector

Terminal

Ground

Continuity

M2

45

No

46

PKIA6289E

LT-226

TURN SIGNAL AND HAZARD WARNING LAMPS

Hazard Warning Lamp Does Not Operate But Turn Signal Lamp Operate

NKS003RV

1. 

CHECK CIRCUIT BETWEEN HAZARD SWITCH AND BCM

With CONSULT-II

1.

Select “BCM” on CONSULT-II. Select “FLASHER” on “SELECT
TEST ITEM” screen.

2.

Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure “HAZARD SW” turns ON-OFF linked with operation
of multifunction switch (hazard switch).

Without CONSULT-II

Check voltage between BCM harness connector and ground.

OK or NG

OK

>> Replace BCM. Refer to 

BCS-15, "Removal and Installa-

tion of BCM"

 .

NG

>> GO TO 2.

2. 

CHECK HAZARD SWITCH BCM CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and multifunction switch connector.

3.

Check continuity between BCM harness connector (A) and mul-
tifunction switch harness connector (B).

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

When hazard switch is ON position 

: HAZARD SW ON

PKIA7601E

Terminal

Condition

Voltage 

(Approx.)

(+)

(-)

Connector

Terminal

M1

29

Ground

Hazard switch is ON.

0 V

Hazard switch is OFF.

Battery Voltage

PKIB6809E

A

B

Continuity

Connector

Terminal Connector

Terminal 

M1

29

M69

6

Yes

SKIB4812E

TURN SIGNAL AND HAZARD WARNING LAMPS

LT-227

C

D

E

F

G

H

I

J

L

M

A

B

LT

3. 

CHECK HAZARD SWITCH GROUND CIRCUIT

Check continuity between multifunction switch harness connector
and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair harness or connector.

4. 

CHECK HAZARD SWITCH

Check continuity multifunction switch (hazard switch).

OK or NG

OK

>> Replace BCM. Replace BCM if turn signal lamp does

not work after setting the connector again. Refer to

BCS-15, "Removal and Installation of BCM"

 .

NG

>> Replace multifunction switch. Refer to 

AV-284, "Multifunction Switch"

 .

Turn Signal Indicator Lamp Does Not Operate

NKS003RW

1. 

CHECK UNIFIED METER AND A/C AMP.

1.

Select “METER A/C AMP” on CONSULT-II, and perform self-
diagnosis for “METER A/C AMP”.

2.

Check if malfunction is indicated.

Is malfunction indicated?

YES

>> Repair or replace malfunctioning parts.

NO

>> GO TO 2.

Multifunction 

switch connector

Terminal 

Ground

Continuity

M69

14

Yes

SKIB4813E

Multifunction switch

(Hazard switch)

Condition

Continuity

Terminal

6

14

Hazard switch is ON.

Yes

Hazard switch is OFF.

No

SKIB4814E

PKIA6866E

LT-228

TURN SIGNAL AND HAZARD WARNING LAMPS

2. 

CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM 

1.

Select “METER A/C AMP” on CONSULT-II. 

2.

Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure that “TURN IND” turns ON-OFF according to turn sig-
nal switch operation.

OK or NG

OK

>> Replace combination meter. Refer to 

DI-27, "Removal

and Installation of Combination Meter"

  .

NG

>> Replace unified meter and A/C amp. Refer to 

DI-38,

"Removal and Installation of Unified Meter and A/C
Amp."

  .

When turn signal switch is in 
the RH or LH position

: TURN IND ON

PKID0104E