Infiniti Q45. Manual — part 206
REMOTE KEYLESS ENTRY SYSTEM
BL-93
C
D
E
F
G
H
J
K
L
M
A
B
BL
Check Horn Circuit
NIS000UW
1.
CHECK HORN CHIRP FUNCTION
With CONSULT
−
II
1.
Check horn function “HORN” in“ACTIVE TEST” mode with CONSULT
−
II.
2.
Perform operation shown on display.
Without CONSULT
−
II
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Apply ground to BCM connector E204 terminal 127.
OK or NG
OK
>> Horn alarm is OK.
NG
>> GO TO 2.
2.
CHECK HORN RELAY
Check horn relay condition.
OK or NG
OK
>> GO TO 3.
NG
>> Replace horn relay.
3.
CHECK POWER SUPPLY FOR HORN RELAY
1.
Turn ignition switch OFF.
2.
Disconnect horn relay connector.
3.
Check voltage between horn relay connector E3-5 terminal 2 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Check the following.
●
15A fuse [No. 56, located in the fuse, fusible link and
relay block (J/B)]
●
Harness for open or short between horn relay and
fuse
Horn should sound.
SEL945W
Horn should sound.
PIIA0359E
2 – Ground
: Battery voltage.
PIIA3248E
BL-94
REMOTE KEYLESS ENTRY SYSTEM
4.
CHECK HORN RELAY CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM connector E204 terminal 127and horn relay connector E3-5 terminal 1.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace harness.
5.
CHECK HORN RELAY CIRCUIT
1.
Disconnect horn relay and horn high or low connector.
2.
Check continuity between horn relay connector E3-5 terminal 3 and horn connector E43 (low), E63 (high)
terminal 1.
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace harness.
6.
CHECK HORN AND HORN GROUND
Apply battery voltage to horn terminal 1.
OK or NG
OK
>> Replace BCM.
NG
>> Replace horn or repair horn ground.
127 (G/W) – 1 (G/W)
: Continuity should exist.
PIIA3246E
LOW
3 – 1 (G)
:Continuity should exist.
HIGH
3 – 1 (G/OR)
:Continuity should exist.
PIIA3247E
Horn should sound.
REMOTE KEYLESS ENTRY SYSTEM
BL-95
C
D
E
F
G
H
J
K
L
M
A
B
BL
Check Hazard Reminder Operation
NIS000UX
1.
CHECK BCM OUTPUT SIGNAL
1.
Remove electronic key from ignition key cylinder.
2.
Check the signal between combination flasher unit connector and ground with oscilloscope.
OK or NG
OK
>> Check combination flasher unit. Refer to
LT-90, "TURN SIGNAL AND HAZARD WARNING
NG
>> GO TO 2.
2.
CHECK COMBINATION FLASHER UNIT CIRCUIT
1.
Disconnect BCM and combination flasher unit connector.
2.
Check continuity between BCM connector M4 terminal 7 and
combination flasher unit connector M91 terminal 6.
3.
Check continuity between BCM connector M4 terminal 7 and
ground.
OK or NG
OK
>> Replace BCM.
NG
>> Repair or replace harness.
Con-
nector
Terminal
(Wire color)
Condition
Signal
(Reference value)
(+)
(-)
M19
6 (W/L)
Ground
LOCK switch ON
with electronic key
UNLOCK switch
ON
with electronic
key*
*: In the state that
hazard reminder
operates.
PIIA2832E
PIIA2487J
PIIA2486J
7 (W/L) – 6 (W/L)
: Continuity should exist.
7 (W/L) – Ground
: Continuity should not exist.
PIIA2831E
BL-96
REMOTE KEYLESS ENTRY SYSTEM
Check Remote Keyless Entry Receiver
NIS000UY
1.
CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY CIRCUIT
1.
Remove electronic key from ignition key cylinder.
2.
Disconnect remote keyless entry receiver connector.
3.
Check the signal between remote keyless entry receiver connector and ground with oscilloscope.
OK or NG
OK
>> GO TO 2.
NG
>> GO TO 5.
2.
CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1.
Connect remote keyless entry receiver connector.
2.
Check the signal between remote keyless entry receiver connector and ground with oscilloscope.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 4.
Connector
Terminal
(Wire color)
Condition
Signal
(Reference value)
(+)
(-)
B246
4 (L)
Ground
Stand
−
by
PIIA2835E
OCC3881D
Connec-
tor
Terminal (Wire
color)
Condition
Signal
(Reference value)
(+)
(-)
B246 2
(BR/W)
Ground
Stand
−
by
Press any of
the electronic
key switches
PIIA2836E
OCC3879D
OCC3880D
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