Infiniti M45 (Y34). Manual — part 232
VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-153
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2.
CHECK DOOR KEY CYLINDER SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect front door key cylinder switch (driver side) connector.
3.
Check continuity between front door key cylinder switch (driver
side) terminals.
OK or NG
OK
>> Check the following.
●
Front door key cylinder switch (driver side) ground cir-
cuit
●
Harness for open or short between driver door control
unit (LCU01) and front door key cylinder switch (driver side)
NG
>> Replace front door key cylinder switch (driver side).
Diagnostic Procedure 5
AIS001F3
CHECK TRUNK LID KEY UNLOCK SIGNAL
1.
CHECK TRUNK KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK SIGNAL)
With CONSULT
−
II
Check trunk lid key cylinder switch “TRUNK UNLK SW” in “DATA MONITOR” mode with CONSULT
−
II.
●
When key in key cylinder is at “NEUTRAL” position,
●
When key is “UNLOCK” position,
Without CONSULT
−
II
Check trunk lid key cylinder switch in Switch monitor mode.
Refer to Remote keyless entry system,
.
OK or NG
OK
>> Trunk lid key cylinder switch is OK.
NG
>> GO TO 2.
2.
CHECK TRUNK KEY CYLINDER SWITCH (UNLOCK SWITCH)
1.
Turn ignition switch OFF.
2.
Disconnect trunk lid key cylinder switch connector.
3.
Check continuity between trunk lid key cylinder switch terminals.
OK or NG
OK
>> Check the following.
●
Trunk lid key cylinder switch ground circuit
●
Harness for open or short between trunk lid key cylin-
der switch and BCM
NG
>> Replace trunk lid key cylinder switch.
Connector
Terminal
Condition
Continuity
D12
1
−
2
Neutral/Lock
No
Unlock
Yes
PIIB0204E
TRUNK UNLK SW: OFF
TRUNK UNLK SW: ON
PIIA0356E
Connector
Terminals
Condition
Continuity
B260
1 - 2
Neutral
No
Unlocked
Yes
PIIA0357E
BL-154
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Diagnostic Procedure 6
AIS001F4
CHECK THEFT WARNING HORN ALARM
1.
CHECK VEHICLE SECURITY HORN ALARM OPERATION
With CONSULT
−
II
●
Check security horn relay “ALARM RELAY” in “ACTIVE TEST” mode with CONSULT
−
II.
●
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 (P/L).
OK or NG
OK
>> Security horn alarm is OK.
NG
>> GO TO 2.
2.
CHECK SECURITY HORN RELAY
Check security horn relay condition.
OK or NG
OK
>> GO TO 3.
NG
>> Replace security horn relay.
Theft warning horn alarm should operate.
PIIA0358E
Does security horn alarm activate?
PIIA0359E
VEHICLE SECURITY (THEFT WARNING) SYSTEM
BL-155
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3.
CHECK POWER SUPPLY FOR SECURITY HORN RELAY
1.
Turn ignition switch OFF.
2.
Disconnect security horn relay connector.
3.
Check voltage between security horn relay connector E77 terminal 2 (Y/B) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Check the following.
●
10A fuse [No. 78, located in the fuse, fusible link and
relay block (J/B)]
●
Harness for open or short between security horn relay
and fuse
4.
CHECK SECURITY HORN RELAY CIRCUIT
1.
Disconnect BCM and security horn relay connector.
2.
Check continuity between BCM connector E204 terminal 127 (P/L) and security horn relay connector E77
terminal 1 (P/L).
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace harness.
5.
CHECK SECURITY HORN RELAY CIRCUIT
1.
Disconnect security horn connector.
2.
Check continuity between security horn relay connector E77 terminal 3 (P/B) and security horn connector
E30 terminal 1 (P/B).
OK or NG
OK
>> Replace security horn.
NG
>> Repair or replace harness.
2 (Y/B)
−
Ground
: Battery voltage
PIIA2829E
127 (P/L)
−
1 (P/L)
: Continuity should exist.
PIIA2840E
3 (P/B)
−
1 (P/B)
: Continuity should exist.
PIIA2841E
BL-156
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Diagnostic Procedure 7
AIS001F5
CHECK THEFT WARNING HEADLAMP ALARM
1.
CHECK VEHICLE SECURITY HEADLAMP ALARM OPERATION
With CONSULT
−
II
●
Check headlamp relay “ALARM RELAY” in “ACTIVE TEST” mode with CONSULT
−
II.
●
Perform operation shown on display.
Without CONSULT
−
II
1.
Disconnect BCM connector.
2.
Apply ground to BCM connector M4 terminal 5 (W/PU).
OK or NG
OK
>> Headlamp alarm is OK.
NG
>> GO TO 2.
2.
CHECK HEADLAMP RELAY 1 AND 2
Does headlamp come on when turning lighting switch ON?
YES or NO
YES
>> Check harness for open or short between each headlamp relay and BCM.
NO
>> Check headlamp system. Refer to
CANADA) - DAYTIME LIGHT SYSTEM -"
.
Theft warning headlamp alarm should operate.
PIIA0362E
Does headlamp alarm activate?
PIIA0363E
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