Infiniti M45 (Y34). Manual - part 640

 

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Infiniti M45 (Y34). Manual - part 640

 

 

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -

LT-67

C

D

E

F

G

H

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L

M

A

B

LT

2. 

CHECK LH LIGHT POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Remove headlamp relay-2 and disconnect daytime light control
unit connector.

3.

Check continuity between daytime light control unit harness con-
nector E27 terminal 5 (W/G) and headlamp relay-2 harness con-
nector E5 terminal 5 (W/G).

4.

Check continuity between daytime light control unit harness con-
nector E27 terminal 5 (W/G) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK LH LIGHT MAIN SWITCH CIRCUIT

1.

Disconnect lighting switch.

2.

Check continuity between daytime light control unit harness con-
nector E26 terminal 13 (L/R) and lighting switch harness con-
nector M55 terminal 9 (L/R).

3.

Check continuity between daytime light control unit connector
E26 terminal 13 (L/R) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair harness or connector.

4. 

CHECK LH LIGHT MAIN CIRCUIT

1.

Disconnect headlamp LH connector.

2.

Check continuity between daytime light control unit harness con-
nector E26 terminal 10 (L/Y) and headlamp LH harness connec-
tor E9 terminal 2 (L/Y).

3.

Check continuity between daytime light control unit harness con-
nector E26 terminal 10 (L/Y) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair harness or connector.

5 (W/G) - 5 (W/G)

: Continuity should exist.

5 (W/G) - Ground

: Continuity should not exist.

PKIA5892E

13 (L/R) - 9 (L/R)

: Continuity should exist.

13 (L/R) - Ground

: Continuity should not exist.

PKIA5893E

10 (L/Y) - 2 (L/Y)

: Continuity should exist.

10 (L/Y) - Ground

: Continuity should not exist.

PKIA5894E

LT-68

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -

5. 

CHECK LH LIGHT GROUND CIRCUIT

1.

Check continuity between daytime light control unit harness con-
nector E27 terminal 6 (R/W) and headlamp LH harness connec-
tor E9 terminal 1 (R/W).

2.

Check continuity between daytime light control unit harness con-
nector E27 terminal 6 (R/W) and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Headlamp RH (High) Circuit Inspection

AKS003SH

1. 

CHECK BULB

1.

Replace bulb with other side bulb or new one.

2.

Check if headlamp illuminates correctly.

OK or NG

OK

>> Replace bulb.

NG

>> GO TO 2.

2. 

CHECK RH LIGHT POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF. 

2.

Remove headlamp relay-2 and disconnect daytime light control
unit connector.

3.

Check continuity between daytime light control unit harness con-
nector E28 terminal 4 (W/G) and headlamp relay-2 harness con-
nector E5 terminal 5 (W/G).

4.

Check continuity between daytime light control unit harness con-
nector E28 terminal 4 (W/G) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK RH LIGHT MAIN SWITCH CIRCUIT

1.

Disconnect lighting switch connector.

2.

Check continuity between daytime light control unit harness con-
nector E27 terminal 14 (P) and lighting switch harness connec-
tor M55 terminal 6 (P).

3.

Check continuity between daytime light control unit harness con-
nector E27 terminal 14 (P) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair harness or connector.

6 (R/W) - 1 (R/W)

: Continuity should exist.

6 (R/W) - Ground

: Continuity should not exist.

PKIA5895E

4 (W/G) - 5 (W/G)

: Continuity should exist.

4 (W/G) - Ground

: Continuity should not exist.

PKIA5896E

14 (P) - 6 (P)

: Continuity should exist.

14 (P) - Ground

: Continuity should not exist.

PKIA5897E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -

LT-69

C

D

E

F

G

H

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L

M

A

B

LT

4. 

CHECK RH LIGHT MAIN CIRCUIT

1.

Disconnect headlamp RH connector.

2.

Check continuity between daytime light control unit harness con-
nector E26 terminal 9 (P) and headlamp RH harness connector
E39 terminal 2 (P).

3.

Check continuity between daytime light control unit harness con-
nector E26 terminal 9 (P) and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair harness or connector.

5. 

CHECK RH LIGHT GROUND CIRCUIT

1.

Check continuity between daytime light control unit harness con-
nector E28 terminal 7 (R/W) and headlamp RH harness connec-
tor E39 terminal 1 (R/W).

2.

Check continuity between daytime light control unit harness con-
nector E28 terminal 7 (R/W) and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

High Beam Indicator Circuit Inspection

AKS003SI

1. 

CHECK BULB

Check bulb in combination meter.

OK or NG

OK

>> GO TO 2.

NG

>> Replace bulb.

2. 

CHECK HIGH BEAM INDICATOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Remove headlamp relay-2 and disconnect combination meter
connector.

3.

Check continuity between combination meter harness connector
M41 terminal 9 (W/G) and headlamp relay-2 harness connector
E5 terminal 5 (W/G).

4.

Check continuity between combination meter harness connector
M41 terminal 9 (W/G) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

9 (P) - 2 (P)

: Continuity should exist.

9 (P) - Ground

: Continuity should not exist.

PKIA5898E

7 (R/W) - 1 (R/W)

: Continuity should exist.

7 (R/W) - Ground

: Continuity should not exist.

PKIA5899E

9 (W/G) - 5 (W/G)

: Continuity should exist.

9 (W/G) - Ground

: Continuity should not exist.

PKIA5900E

LT-70

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -

3. 

CHECK HIGH BEAM INDICATOR GROUND CIRCUIT

1.

Disconnect lighting switch connector.

2.

Check continuity between combination meter harness connector
M41 terminal 10 (L/R) and lighting switch harness connector
M55 terminal 9 (L/R).

3.

Check continuity between combination meter harness connector
M41 terminal 10 (L/R) and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Lighting Switch Circuit Inspection

AKS003SJ

1. 

CHECK LIGHTING SWITCH

Check continuity of lighting switch. Refer to 

LT-102, "Switch Circuit Inspection"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Replace lighting switch.

2. 

CHECK LIGHTING SWITCH POWER SUPPLY CIRCUIT 1

1.

Turn ignition switch OFF.

2.

Disconnect headlamp battery saver control unit connector and
lighting switch connector.

3.

Check continuity between headlamp battery saver control unit
harness connector M33 terminal 3 (R/B) and lighting switch har-
ness connector M55 terminal 12 (R/B).

4.

Check continuity between headlamp battery saver control unit
harness connector M33 terminal 3 (R/B) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK LIGHTING SWITCH POWER SUPPLY CIRCUIT 2

1.

Check continuity between headlamp battery saver control unit
harness connector M34 terminal 9 (R/B) and lighting switch har-
ness connector M55 terminal 12 (R/B).

2.

Check continuity between headlamp battery saver control unit
harness connector M34 terminal 9 (R/B) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair harness or connector.

10 (L/R) - 9 (L/R)

: Continuity should exist.

10 (L/R) - Ground

: Continuity should not exist.

PKIA5901E

3 (R/B) - 12 (R/B)

: Continuity should exist.

3 (R/B) - Ground

: Continuity should not exist.

PKIA5902E

9 (R/B) - 12 (R/B)

: Continuity should exist.

9 (R/B) - Ground

: Continuity should not exist.

PKIA5903E

 

 

 

 

 

 

 

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