Infiniti Q45. Manual - part 205

REMOTE KEYLESS ENTRY SYSTEM

BL-89

C

D

E

F

G

H

J

K

L

M

A

B

BL

CHECK REAR DOOR SWITCH

1. 

CHECK REAR DOOR SWITCH INPUT SIGNAL

 With CONSULT-II

Check rear door switch (“DOOR SW-RR” and “DOOR SW-RL”) in “DATA MONITOR” mode with CONSULT-II.

Without CONSULT-II

Check front door switch in “SWITCH MONITOR” mode.Refer to 

BL-82, "SWITCH MONITOR"

 .

OK or NG

OK

>> Rear door switch is OK.

NG

>> GO TO 2

2. 

CHECK DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect door switch and BCM connector.

3.

Check continuity between rear door switch connector D62 (rear LH), D82 (rear RH) terminal 1 (W) and
BCM connector M4 (rear LH), B4 (rear RH) terminal 33 (W), 143 (W/L).

4.

Check continuity between rear door switch connector D62 (rear
LH), D82 (rear RH) terminal 1(W) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

Monitor item

Condition

DOOR SW-RR

OPEN

: ON

CLOSE

: OFF

DOOR SW-RL

OPEN

: ON

CLOSE

: OFF

PIIA3117E

Rear door switch LH

1 (W) – 33 (W)

: Continuity should exist.

Rear door switch RH

1 (W) – 143 (W/L)

: Continuity should exist.

1 (W) – Ground

: Continuity should not exist.

PIIB0243E

BL-90

REMOTE KEYLESS ENTRY SYSTEM

3. 

CHECK REAR DOOR SWITCH GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between rear door switch connector D62 (rear LH), D82 (rear RH) terminal 2 and
ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK REAR DOOR SWITCH

Check continuity between rear door switch (rear LH), (rear RH) ter-
minals 1and 2.

OK or NG

OK

>> Rear door switch is OK.

NG

>> Replace malfunction door lock assembly rear (door

switch).

Check Trunk Lid Opener Cancel Switch

NIS000UT

1. 

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect trunk lid opener cancel switch connector.

3.

Check voltage between trunk lid opener cancel switch connector M117 terminal 1 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Check the following.

●

Trunk lid opener relay

●

Harness for open or short between trunk lid opener
cancel switch and trunk lid opener relay

2 (B) – Ground

: Continuity should exist.

PIIB0182E

Terminal

Condition of rear door

Continuity

1

2

Close

No

Open

Yes

PIIB0183E

1 (G) – Ground

: Battery voltage.

PIIA2823E

REMOTE KEYLESS ENTRY SYSTEM

BL-91

C

D

E

F

G

H

J

K

L

M

A

B

BL

2. 

CANCEL SWITCH INSPECTION

Check continuity between trunk lid opener cancel switch terminals 1and 2.

OK or NG

OK

>> GO TO 3.

NG

>> Replace trunk lid opener cancel switch.

3. 

CHECK HARNESS CONTINUITY

1.

Disconnect BCM connector.

2.

Check continuity between BCM connector M4 terminal 109 and trunk lid opener cancel switch connector
M117 terminal 2.

3.

Check continuity between trunk lid opener cancel switch connector M117 terminal 2 and ground.

OK or NG

OK

>> Trunk lid opener cancel switch circuit is OK.

NG

>> Repair or replace harness.

Check Trunk Lid Opener Actuator

NIS000UU

Before carrying out the following diagnosis, check that the trunk opener cancel switch is turned ON.

1. 

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect trunk lid opener actuator connector.

3.

Check voltage between trunk lid opener actuator connector B311 terminal 1 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Check the following.

●

20A fuse [No.15, located in the fuse block (J/B) No. 1]

●

Harness for open and short between trunk lid opener
actuator and fuse

Terminal

Condition of trunk lid 

opener cancel switch

Continuity

1

2

ON

Yes

 OFF

No

PIIA2824E

109 (LG) – 2 (LG)

: Continuity should exist.

2 (LG) – Ground

: Continuity should not exist.

PIIB0184E

1 (PU) – Ground

: Battery voltage.

PIIA3085E

BL-92

REMOTE KEYLESS ENTRY SYSTEM

2. 

CHECK TRUNK LID OPENER ACTUATOR 

Check continuity between trunk lid opener actuator terminals 1 and 2.

OK or NG

OK

>> GO TO 3.

NG

>> Replace trunk lid opener actuator.

3. 

CHECK TRUNK LID OPENER RELAY CIRCUIT

1.

Remove electronic key from ignition key cylinder.

2.

Connect trunk lid opener actuator connector.

3.

Check voltage between trunk lid opener actuator connector and ground.

OK or NG

OK

>> Trunk lid opener actuator circuit is OK.

NG

>> Check the following.

●

Harness between trunk lid opener actuator and trunk lid opener relay

●

Harness between trunk lid opener relay and ground.

●

Trunk lid opener relay

Check Trunk Open Signal

NIS000UV

1. 

CHECK BCM OUTPUT SIGNAL

1.

Remove electronic key from ignition key cylinder.

2.

Check voltage between BCM connector and ground.

OK or NG

OK

>> BCM output signal (trunk open signal) is OK.

NG

>> Replace BCM.

1 – 2

: Continuity should exist.

PIIA2827E

Connector

Terminal

 (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

B 311

2 

(BR/W)

Ground

Electronic key: Trunk open 
switch ON

0 

(0.7 seconds)

Electronic key: Trunk open 
switch OFF

Battery voltage

PIIA3084E

Connector 

Terminal

 (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M4

109 

(LG)

Ground

Electronic key: Trunk open 
switch ON

0

(0.7 Second)

Electronic key: Trunk open 
switch OFF

Battery volt-

age

PIIA2828E