Infiniti G35 (V35). Manual - part 190

INTELLIGENT KEY SYSTEM

BL-147

C

D

E

F

G

H

J

K

L

M

A

B

BL

3. 

CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL

1.

Connect steering lock unit connector.

2.

Check voltage between Intelligent Key unit harness connector M75 terminal 1 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Replace Intelligent Key unit.

4. 

CHECK STEERING LOCK COMMUNICATION SIGNAL

Check signal between Intelligent Key unit connector M75 terminal 32 and ground with oscilloscope.

OK or NG

OK

>> GO TO 5.

NG

>> Replace Intelligent Key unit.

5. 

CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT

1.

Disconnect Intelligent Key unit and steering lock unit connectors.

2.

Check continuity between Intelligent Key unit harness connector M75 terminals 1, 31, 32 and steering
lock unit connector M311 terminals 2, 3, 4.

3.

Check continuity between steering lock unit harness connector
M311 terminals 2, 3, 4 and ground.

OK or NG

OK

>> Replace steering lock unit.

●

After replacing steering lock unit, perform registration procedure. Refer to “CONSULT-II Opera-
tion Manual NATS”.

NG

>> Repair or replace harness between steering lock unit and Intelligent Key unit.

1 (L/Y) - Ground

: Approx. 5V

MIIB0385E

Connector

Terminal

(Wire color)

Condition

Signal (V)

(Reference value)

(+)

(–)

M75

32

(L/OR)

Ground

Ignition 
switch is 
pushed

MIIB0386E

SIIA1911J

1 (L/Y) - 2 (L/Y)

: Continuity should exist.

31 (G/R) - 4 (G/R)

: Continuity should exist.

32 (L/OR) - 3 (L/OR)

: Continuity should exist.

2 (L/Y) - Ground

: Continuity should not exist.

3 (L/OR) - Ground

: Continuity should not exist.

4 (G/R) - Ground

: Continuity should not exist.

PIIA6799E

BL-148

INTELLIGENT KEY SYSTEM

6. 

CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit harness connector M75 terminal 31 and steering lock unit
connector M311 terminal 4.

3.

Check continuity between steering lock unit harness connector
M311 terminal 4 and ground.

OK or NG

OK

>> Replace Intelligent Key unit.

NG

>> Repair or replace harness between steering lock unit

and Intelligent Key unit.

Check Stop Lamp Switch

NIS001K9

1. 

CHECK STOP LAMP SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector.

3.

Check voltage between Intelligent Key unit harness connector
M75 terminal 26 and ground.

OK or NG

OK

>> Stop lamp switch is OK.

NG

>> GO TO 2.

2. 

CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT

Check voltage between stop lamp switch harness connector E124
terminal 3 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between stop lamp switch

power supply circuit and fuse.

31 (G/R) - 4 (G/R)

: Continuity should exist.

4 (G/R) - Ground

: Continuity should not exist.

PIIB7437E

Connector

Terminal

(wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M75

26 (P/L)

Ground

Brake pedal 

depressed

Battery volt-

age

Brake pedal 

released

0

PIIB4346E

3 (R/Y) - Ground

: Battery voltage

PIIB7438E

INTELLIGENT KEY SYSTEM

BL-149

C

D

E

F

G

H

J

K

L

M

A

B

BL

3. 

CHECK STOP LAMP SWITCH OPERATION

Check continuity between stop lamp switch connector E124 terminal
3 and 4.

OK or NG

OK

>> GO TO 4.

NG

>> Replace stop lamp switch.

4. 

CHECK STOP LAMP SWITCH CIRCUIT

1.

Check continuity between  Intelligent Key unit harness connec-
tor M75 terminal 26 and stop lamp switch harness connector
E124 terminal 4.

2.

Check continuity between Intelligent Key unit harness connector
M75 terminal 26 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Repair or replace harness.

Connector

Terminal

Condition

Continuity

E124

3

4

Brake pedal depressed

Yes

Brake pedal not 
depressed

No

PIIB7439E

26 (P/L) - 4 (P/L)

: Continuity should exist.

26 (P/L) - Ground

: Continuity should not exist.

PIIB7440E

BL-150

INTELLIGENT KEY SYSTEM

Check Park Position Switch

NIS001KA

1. 

CHECK PARK POSITION SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between Intelligent Key unit harness connector and ground.

OK or NG

OK

>> Park position switch circuit is OK.

NG

>> GO TO 2.

2. 

CHECK PARK POSITION SWITCH

1.

Disconnect A/T device (park position switch) connector.

2.

Check continuity between A/T device (park position switch) terminals 1 and 3.

OK or NG

OK

>> GO TO 3.

NG

>> Check A/T shift lock system. Refer to 

AT-213, "SHIFT

CONTROL SYSTEM"

 .

3. 

CHECK PARK POSITION SWITCH GROUND CIRCUIT

Check continuity between A/T device (park position switch) harness
connector M47 terminal 1 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

Connector

Terminal

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-) 

M75

39

(PU/R)

Ground

Selector lever is in “P” position

0

Other than above

Battery voltage

PIIA6805E

Connector

Terminal

Condition

Continuity

M47

3

1

Selector lever is in “P” posi-
tion

Yes

Other than above

No

PIIB4350E

1 (B) – Ground

: Continuity should exist.

PIIB4351E