Infiniti Q45. Manual — part 229

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Diagnostic Procedure 6

NIS000X3

CHECK THEFT WARNING HORN ALARM

1.

CHECK VEHICLE SECURITY HORN ALARM OPERATION

With CONSULT-II

●

Check 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.

OK or NG

OK

>> Horn alarm is OK.

NG

>> GO TO 2.

2.

CHECK SECURITY HORN RELAY

Check horn relay condition.
OK or NG

OK

>> GO TO 3.

NG

>> Replace horn relay.

Theft warning horn alarm should operate.

PIIA0358E

Does horn alarm activate?

PIIA0359E

BL-186

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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

4.

CHECK HORN RELAY CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM connector E204 terminal 127 and horn relay connector E3-5 terminals 1.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness.

5.

CHECK HORN RELAY CIRCUIT

1.

Disconnect horn relay and security horn connector.

2.

Check continuity between horn relay connector E3-5 terminal 3 and horn connector E43,E63 terminal 1.

OK or NG

OK

>> Replace horn.

NG

>> Repair or replace harness.

2 – Ground

: Battery voltage.

PIIA3248E

127 (G/W) – 1 (G/W)

: Continuity should exist.

PIIA3246E

3 – 1 (G)

:Continuity should exist.

3 – 1 (G/OR)

:Continuity should exist.

PIIA3247E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

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Diagnostic Procedure 7

NIS000X4

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.

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

LT-5, "HEADLAMP (FOR USA)"

,

LT-36, "HEADLAMP (FOR

CANADA) - DAYTIME LIGHT SYSTEM -"

.

Theft warning headlamp alarm should operate.

PIIA0362E

Does headlamp alarm activate?

PIIA0363E

BL-188

VEHICLE SECURITY (THEFT WARNING) SYSTEM

Diagnostic Procedure 8

NIS000X5

CHECK ACC POWER SUPPLY

1.

CHECK ACC POWER

With CONSULT-II

Check ACC power (“ACC ON SW”) in “DATA MONITOR” mode with CONSULT-II.

Without CONSULT-II

Check voltage between BCM connector and ground.

OK or NG

OK

>> ACC power is OK.

NG

>> Check the following.

●

10A fuse [No. 21, located in fuse block (J/B)No.1]

●

Harness for open or short between BCM and fuse

Monitor item

Condition

ACC ON SW

Ignition switch ACC or ON position

: ON

Ignition switch OFF position

: OFF

PIIA3367E

Connector

Terminal

(Wire color)

Condition

Voltage (V)

(Approx.)

( + )

( – )

M4

60 (L/OR)

Ground

ACC or ON

Battery voltage

OFF

0

PIIA3438E