Infiniti FX35 / FX45. Manual - part 213

 

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Infiniti FX35 / FX45. Manual - part 213

 

 

INTELLIGENT KEY SYSTEM

BL-119

< SERVICE INFORMATION >

C

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M

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Check Door Request Switch

INFOID:0000000001327859

1.

CHECK DOOR REQUEST SWITCH

 With CONSULT-III

Display “DR REQ SW” (driver door), “AS REQ SW” (passenger door) and “BD/TR REQ SW” (back door) on
DATA MONITOR screen, and check if ON-OFF display is linked to door request switch operation.

OK or NG

OK

>> Door request switch is OK.

NG

>> GO TO 2.

2.

CHECK DOOR REQUEST SWITCH SIGNAL

1.

Turn ignition knob LOCK position.

2.

Disconnect door request switch connector.

3.

Check voltage between door request switch connector D12 (driver door), D42 (passenger door), D113
(back door) terminal 1 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 5.

3.

CHECK DOOR REQUEST SWITCH OPERATION

Check continuity between door request switch D12 (driver door), D42 (passenger door), D113 (back door) ter-
minals 1 and 2.

OK or NG

OK

>> GO TO 4.

NG

>> Replace door request switch.

4.

CHECK DOOR REQUEST SWITCH GROUND CIRCUIT

Check continuity between door request switch connector D12 (driver side), D42 (passenger side), D113 (back
door) terminal 2 (B) and ground.

Press door request switch.

: ON

Release door request switch.

: OFF

Driver

1 (SB) - Ground

: Approx. 5V

Passenger

1 (GY) - Ground

: Approx. 5V

Back door

1 (GY) - Ground

: Approx. 5V

PIIA6744E

Terminal

Condition

Continuity

1

2

Press door request switch

Yes

Return door request switch

No

PIIA9930E

BL-120

< SERVICE INFORMATION >

INTELLIGENT KEY SYSTEM

OK or NG

OK

>> Check harness connection.

NG

>> Repair or replace door request switch ground circuit.

5.

CHECK DOOR REQUEST SWITCH CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit connector M34 terminals 5 (driver door), 25 (passenger
door), and 29 (back door) and door request switch connector D12 (driver door), D42 (passenger door),
D113 (back door) terminal 1.

3.

Check continuity between door request switch connector D12
(driver door), D42 (passenger door), D113 (back door) terminal
1 and ground.

OK or NG

OK

>> Replace Intelligent Key unit.

NG

>> Repair or replace harness between Intelligent Key unit and door request switch.

Check Intelligent Key Warning Buzzer

INFOID:0000000001327860

1.

CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT

1.

Turn ignition knob LOCK position.

2.

Disconnect Intelligent Key warning buzzer connector.

3.

Check voltage between Intelligent Key warning buzzer connector D11 (driver side), D41 (passenger side)
terminal 1 (L) and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace Intelligent Key warning buzzer power

supply circuit.

2.

CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit connector M34 terminal 4 and Intelligent Key warning
buzzer connector D11 (driver side), D41 (passenger side) terminal 2 (G).

2 (B) - Ground

: Continuity should exist.

PIIA6746E

Driver

5 (W/L) - 1 (SB)

: Continuity should exist.

Passenger

25 (W/R) - 1 (GY)

: Continuity should exist.

Back door

29 (GY) - 1 (GY)

: Continuity should exist.

1 - Ground

: Continuity should not exist.

PIIA6747E

1 (L) - Ground

: Battery voltage

PIIA6748E

INTELLIGENT KEY SYSTEM

BL-121

< SERVICE INFORMATION >

C

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3.

Check continuity between Intelligent Key warning buzzer con-
nector D11 (driver side), D41 (passenger side) terminal 2 (G)
and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key warn-

ing buzzer and Intelligent Key unit.

3.

CHECK INTELLIGENT KEY WARNING BUZZER OPERATION

Connect battery power supply to Intelligent Key warning buzzer connector D11 (driver side), D41 (passenger
side) terminals 1 and 2, and check the operation.

OK or NG

OK

>> Intelligent Key warning buzzer is OK.

NG

>> Replace Intelligent Key warning buzzer

Check Outside Key Antenna

INFOID:0000000001327861

1.

CHECK OUTSIDE KEY ANTENNA POWER SUPPLY

Push each door request switch, and use an oscilloscope to check voltage waveform of harness between Intel-
ligent Key unit connector M34 terminals 17 (back door), 19 (driver and rear LH door), and 37 (passenger and
rear RH door) and ground.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

2.

CHECK OUTSIDE KEY ANTENNA OPERATION

1.

Disconnect each outside key antenna connector.

2.

Check the following.

-

Check continuity between door mirror (outside key antenna) connector D2 (driver side), D32 (passenger
side) terminals 14 and 15

-

Check continuity between outside key antenna D62 (rear door LH), D82 (rear door RH), D116 (back door)
terminals 1 and 2

4 (LG) - 2 (G)

: Continuity should exist.

2 (G) - Ground

: Continuity should not exist.

PIIA6749E

1 (BAT+) - 2 (BAT-)

: the buzzer sounds

PIIA6750E

Terminal (Wire color)

Condition

Signal

 (Reference value)

(+)

(-)

Back door:
17 (L)

Ground

Push each 
door request 
switch

Driver, rear LH:
19 (SB)

Passenger, 
rear RH
37 (G)

MIIB0375E

SIIA1910J

BL-122

< SERVICE INFORMATION >

INTELLIGENT KEY SYSTEM

OK or NG

OK

>> GO TO 3.

NG

>> Replace outside key antenna.

3.

CHECK OUTSIDE KEY ANTENNA CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between each outside key antenna connector D2 (driver side), D32 (passenger side),
D62 (rear door LH), D82 (rear door RH), D116 (back door) terminals 1, 2, 14, 15 and Intelligent Key unit
connector M34 terminals 17, 18, 19, 20, 37, and 38.

3.

Check continuity between each out side key antenna connector
terminals 1, 2, 6, 7 and ground.

Driver side, Passenger side

14 - 15

: Continuity should exist.

Back door, Rear door

1 - 2

: Continuity should exist.

PIIB8507E

Item

Terminal

(Wire color)

Continuity

Back door

1 (L/B)

17 (L)

Yes

2 (W/B)

18 (W/L)

Driver side

14 (BR/W)

19 (SB)

15 (R/Y)

20 (GY)

Passenger side

14 (G/Y)

37 (G)

15 (L/Y)

38 (G/W)

Rear door LH

1 (G/Y)

19 (SB)

2 (PU/W)

20 (GY)

Rear door RH

1 (G/Y)

37 (G)

2 (PU/W)

38 (G/W)

Item

Terminal

(Wire color)

Continuity

PIIB8511E

 

 

 

 

 

 

 

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