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
.
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
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