Infiniti Q45. Manual — part 203
REMOTE KEYLESS ENTRY SYSTEM
BL-81
C
D
E
F
G
H
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K
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M
A
B
BL
COMMUNICATION SYSTEM A
1.
BCM INSPECTION
Replace the malfunctioning BCM with a known-good one, and perform the communication diagnosis.
Refer to
BL-75, "IVMS COMMUNICATION INSPECTION"
(with CONSULT-II),
(without CONSULT-II).
OK or NG
OK
>> Replace BCM.
NG
>> GO TO 2.
2.
LCU INSPECTION
1.
Replace with the previously installed BCM.
2.
Replace the LCU with a known-good one, and perform the communication diagnosis.
Refer to
BL-75, "IVMS COMMUNICATION INSPECTION"
(with CONSULT-II),
(without CONSULT-II).
OK or NG
OK
>> Replace LCU.
NG
>> Repair or replace harness.
COMMUNICATION SYSTEM B
1.
CONNECTOR INSPECTION
Check the terminals (at the control unit and harness) on the malfunctioning LCU for disconnection, bend, and
other malfunctions.
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminals and connectors.
2.
LCU INSPECTION
Replace the LCU with a known-good one, and perform the communication diagnosis.
Refer to
BL-75, "IVMS COMMUNICATION INSPECTION"
(with CONSULT-II),
(without CONSULT-II).
OK or NG
OK
>> Replace LCU.
NG
>> Repair communication harness between the indicated LCU and BCM.
COMMUNICATION SYSTEM C
1.
CONNECTOR INSPECTION
Check the terminals (at the control unit and harness) on BCM and LCU for disconnection, bend and other mal-
functions.
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminals and connectors.
2.
BCM INSPECTION
Replace the BCM with a known-good one, and perform the communication diagnosis.
Refer to
BL-75, "IVMS COMMUNICATION INSPECTION"
(with CONSULT-II),
(without CONSULT-II).
OK or NG
OK
>> Replace BCM
NG
>> Repair communication harness between LCU and BCM.
BL-82
REMOTE KEYLESS ENTRY SYSTEM
SWITCH MONITOR
How To Perform Switch Monitor
Description
In this mode, when BCM detects the input signal from a switch in IVMS as shown below, the detection is indi-
cated by the map lamp and step lamps with buzzer.
Switch Monitor Item
The status of the switch (except the ignition switch, interior ill lamp switch, and map lamp switch) as input to
each control unit can be monitored.
Cancel of Switch Monitor
If one of the following conditions is satisfied, the switch monitor is cancelled.
●
Turn ignition switch OFF.
●
Drive the vehicle more than 7 km/h (4 MPH).
PIIA3356E
PIIA0177E
Control unit
Item
BCM
All door switch
Electronic key (lock / unlock switch and trunk switch)
Driver door control unit (LCU01)
Door lock & unlock switch (LOCK / UNLOCK)
Driver door unlock sensor
Passenger door control unit.
Passenger door unlock sensor
RH rear door control unit.
Rear RH door unlock sensor
LH rear door control unit.
Rear LH door unlock sensor
REMOTE KEYLESS ENTRY SYSTEM
BL-83
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Trouble Diagnosis Chart by Symptom
NIS000UO
●
Always check the “Work Flow” before troubleshooting. Refer to
.
●
Before carrying out the inspection on the following table, perform the preliminary check.
Refer to
Symptom
malfunctioning system and reference
Reference
page
All functions of remote keyless entry system does not
operate.
1. Check electronic key battery.
2. Check electronic key.
3. Check remote keyless entry receiver.
4. Replace electronic key.
NOTE:
If the result of electronic key check with CONSULT-II is OK,
electronic key is not malfunctioning. Refer to
.
5. Replace BCM.
–
The new ID of electronic key cannot be entered without
CONSULT-II.
1. Check electronic key battery.
2. Check electronic key.
3. Check key switch.
4. Check door switch.
5. Check ACC power.
6. Check door lock and unlock switch.
7. Replace electronic key.
NOTE:
If the result of electronic key check with CONSULT-II is OK,
electronic key is not malfunctioning. Refer to
.
8. Replace BCM.
–
Door lock or unlock does not function with electronic key.
(Power door lock system is “OK”.)
1. Check electronic key.
2. Check door switch.
3. Replace electronic key.
NOTE:
If the result of electronic key check with CONSULT-II is OK,
electronic key is not malfunctioning. Refer to
.
4. Replace BCM.
–
Trunk lid does not open when trunk opener button is con-
tinuously pressed with electronic key.
1. First check trunk cancel switch position is “ON”.
–
2. Check electronic key.
3. Check trunk lid opener cancel switch.
4. Check trunk open signal.
5. Check trunk lid opener actuator.
6. Check key switch.
7. Replace electronic key.
NOTE:
If the result of electronic key check with CONSULT-II is OK,
electronic key is not malfunctioning. Refer to
.
8. Replace BCM.
–
Hazard reminder does not activate properly when press-
ing lock or unlock button of electronic key.
(Horn reminder is OK.)
1. Check hazard reminder mode*
*: Hazard reminder can be changed.
First check the hazard reminder setting.
2. Check hazard function with hazard switch.
3. Check hazard reminder operation.
4. Replace BCM.
–
BL-84
REMOTE KEYLESS ENTRY SYSTEM
Check Electronic Key
NIS000UP
1.
CHECK ELECTRONIC KEY
With CONSULT-II
Check Electronic key “LOCK / UNLOCK BUTTON”, “TRUNK BTN-CON” and “PANIC BTN” in “DATA MONI-
TOR” mode with CONSULT-II.
Without CONSULT-II
Check electronic key in “SWITCH MONITOR” mode.Refer to
OK or NG
OK
>> Electronic key is OK.
NG
>> GO TO 2.
2.
CHECK ELECTRONIC KEY ID
With CONSULT-II
Re-register electronic key ID Code.
Refer to
BL-102, "PROCEDURE 2 (With CONSULT-II)"
.
Without CONSULT-II
Re-register electronic key ID Code.
Refer to
BL-101, "PROCEDURE 1 (WITHOUT CONSULT-II)"
.
OK or NG?
OK
>> Electronic key was not registered.
NG
>>
●
Check remote keyless entry receiver.
Refer to
BL-96, "Check Remote Keyless Entry Receiver"
●
Check electronic key battery.
Refer to
BL-100, "CHECK ELECTRONIC KEY BATTERY"
Horn reminder does not activate properly when pressing
lock button of electronic key.
(Hazard reminder is OK.)
1. Check horn reminder mode*
*: Horn reminder can be changed.
First check the horn chirp setting.
2. Check horn function with horn switch.
3. Replace BCM.
–
Panic alarm (horn and headlamp) does not activate
when panic alarm button is continuously pressed.
(All other system function is OK.)
1. Check electronic key.
2. Check horn function with horn switch.
3. Check headlamp function.
4. Check key switch.
5. Replace electronic key.
NOTE:
If the result of electronic key check with CONSULT-II is OK,
electronic key is not malfunctioning. Refer to
6. Replace BCM.
–
Keyless power window down (open) operation does not
activate properly.
(All other remote keyless entry system function is OK.)
1. Check power window down operation mode*
*: Power window down operation can be activated or deacti-
vated. First check the power window down setting.
2. Check power window function
3. Replace BCM.
–
Auto door lock operation does not activate properly.
(All other system function is OK.)
1. Replace BCM.
–
Map lamp operation do not activate properly.
1. Check map lamp function.
2. Check door switch.
3. Replace BCM.
–
Symptom
malfunctioning system and reference
Reference
page
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