Infiniti G35 (V35). Manual - part 188

INTELLIGENT KEY SYSTEM

BL-139

C

D

E

F

G

H

J

K

L

M

A

B

BL

3. 

CHECK TRUNK OPENER REQUEST SWITCH GROUND CIRCUIT

Check continuity between rear combination lamp LH (trunk opener request switch) harness connector B125
terminal 4 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace trunk opener request switch ground

circuit.

4. 

CHECK TRUNK OPENER REQUEST SWITCH CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit harness connector M75 terminals 29 and rear combination
lamp LH (trunk opener request switch) harness connector B125 terminal 6.

3.

Check continuity between Intelligent Key unit harness connector
M75 terminals 29 and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness between Intelligent Key unit

and trunk opener request switch.

4 (B) - Ground

: Continuity should exist.

PIIB7431E

29 (G/W) - 6 (G/R)

: Continuity should exist.

29 (G/W) - Ground

: Continuity should not exist.

PIIB7432E

BL-140

INTELLIGENT KEY SYSTEM

5. 

CHECK TRUNK OPENER REQUEST SWITCH SIGNAL

1.

Connect Intelligent Key unit connector.

2.

Check voltage between rear combination lamp LH (trunk opener request switch) harness connector B125
terminal 6 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Replace Intelligent Key unit.

Check Unlock Sensor

NIS001K3

1. 

CHECK UNLOCK SENSOR POWER SUPPLY

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Unlock sensor is OK.

NG

>> GO TO 2.

2. 

CHECK UNLOCK SENSOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit and driver side door lock assem-
bly (door unlock sensor) connector.

3.

Check continuity between Intelligent Key unit harness connector
M75 terminal 28 and driver side door lock assembly (door
unlock sensor) harness connector D15 terminal 4.

4.

Check continuity between Intelligent Key unit harness connector
M75 terminal 28 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit and front door lock assembly (driver side).

6 (G/R) - Ground

: Battery voltage

PIIB7433E

Connector

Terminals (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M75

28 (L)

Ground

Driver side door lock is 
locked

5

Driver side door lock is 
unlocked

0

PIIA6802E

28 (L) – 4 (L)

: Continuity should exist.

28 (L) – Ground

: Continuity should not exist.

PIIB7434E

INTELLIGENT KEY SYSTEM

BL-141

C

D

E

F

G

H

J

K

L

M

A

B

BL

3. 

CHECK UNLOCK SENSOR GROUND CIRCUIT

Check continuity between driver side door lock assembly (door unlock sensor) harness connector D15 termi-
nal 5 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL

1.

Connect Intelligent Key unit harness connector.

2.

Check voltage between Intelligent Key unit harness connector M75 terminal 28 and ground.

OK or NG

OK

>> Replace driver side door lock assembly (door unlock

sensor).

NG

>> Replace Intelligent Key unit.

Check Intelligent Key Warning Buzzer (Instrument Panel)

NIS001K4

1. 

CHECK INTELLIGENT KEY WARNING BUZZER (INSTRUMENT PANEL) POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key warning buzzer (instrument panel) connector.

3.

Check voltage between Intelligent Key warning buzzer (instrument panel) harness connector M21 termi-
nal 1 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace Intelligent Key warning buzzer (instru-

ment panel) power supply circuit.

5 (B) – Ground

: Continuity should exist.

PIIB7435E

28 (L) – Ground

: Approx. 5V

PIIA6802E

1 (R/W) - Ground

: Battery voltage

PIIB4272E

BL-142

INTELLIGENT KEY SYSTEM

2. 

CHECK INTELLIGENT KEY WARNING BUZZER (INSTRUMENT PANEL) CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit harness connector
M75 terminal 30 and Intelligent Key warning buzzer (instrument
panel) harness connector M21 terminal 3.

3.

Check continuity between Intelligent Key unit harness connector
M75 terminal 30 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key warn-

ing buzzer (instrument panel) and Intelligent Key unit.

3. 

CHECK INTELLIGENT KEY WARNING BUZZER (INSTRUMENT PANEL) OPERATION

Connect battery power supply to Intelligent Key warning buzzer (instrument panel) connector M21 terminals 1
and 3, and check the operation.

OK or NG

OK

>> Intelligent Key warning buzzer (instrument panel) is OK.

NG

>> Replace Intelligent Key warning buzzer (instrument

panel).

Check Intelligent Key Warning Buzzer (ENGINE ROOM)

NIS001K5

1. 

CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key warning buzzer (engine room) connector.

3.

Check voltage between Intelligent Key warning buzzer (engine room) harness connector E38 terminal 1
and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace Intelligent Key warning buzzer (engine

room) power supply circuit.

30 (LG/B) - 3 (LG/B)

: Continuity should exist.

30 (LG/B) - Ground

: Continuity should not exist.

PIIB4273E

1 (BAT+) - 3 (BAT-)

: the buzzer sounds

PIIB4274E

1 (R/Y) - Ground

: Battery voltage

PIIB4275E