Infiniti Q45 (FY33). Manual — part 297

SYMPTOM CHART

REFERENCE PAGE

EL-179

EL-180

EL-180

EL-181

SYMPTOM

DIAGNOSTIC

PROCEDURE

1

(Lighting

switch

input

signal

check)

DIAGNOSTIC

PROCEDURE

2

(Key

switch

input

signal

check)

DIAGNOSTIC

PROCEDURE

3

(Seat

belt

buckle

switch

input

signal

check)

DIAGNOSTIC

PROCEDURE

4

Light warning chime does not activate.

X

X

Ignition key warning chime does not activate.

X

X

Seat belt warning chime does not activate.

X

X

All warning chimes do not activate.

X

SEL500W

DIAGNOSTIC PROCEDURE 1

(Lighting switch input signal check)

CHECK LIGHTING SWITCH INPUT SIG-
NAL.

CONSULT-II

See “HD/LMP 1ST SW” in DATA MONI-
TOR mode.
When lighting switch is in 1ST or 2ND:

HD/LMP 1ST SW

ON

When lighting switch is OFF:

HD/LMP 1ST SW

OFF

-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------

ON BOARD

Check lighting switch in Switch monitor
(Mode II) mode. (Refer to On board
Diagnosis, EL-299.)

OK

E

NG

Check the following.

I

7.5A fuse [No. 22 ,
located in the fuse block
(J/B)]

I

Harness for open or
short between fuse and
BCM

Go to Procedure 4.

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

WARNING CHIME

Trouble Diagnoses (Cont’d)

H

EL-179

SEL532W

DIAGNOSTIC PROCEDURE 2

(Key switch input signal check)

SEL916V

CHECK KEY SWITCH INPUT SIGNAL.

CONSULT-II

See “IGN KEY SW” in DATA MONITOR
mode.
When key is inserted in ignition key cylin-
der:

IGN KEY SW

ON

When key is removed from ignition key
cylinder:

IGN KEY SW

OFF

-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------

TESTER

Check voltage between BCM terminal

q

69

and ground.

OK

E

NG

Check the following.

I

Key switch
Refer to “Electrical Com-
ponents Inspection” (EL-
182).

I

10A fuse [No.

28

,

located in the fuse block
(J/B)]

I

Harness for open or
short between key switch
and fuse

I

Harness for open or
short between BCM and
key switch

Go to Procedure 4.

Condition of key switch

Voltage V

Key is inserted

Approx. 12

Key is removed

0

SEL501W

DIAGNOSTIC PROCEDURE 3

(Seat belt buckle switch input signal check)

CHECK SEAT BELT BUCKLE SWITCH
INPUT SIGNAL.

CONSULT-II

See “SEAT BELT SW” in DATA MONITOR
mode.
When driver’s seat belt is not fastened:

SEAT BELT SW

ON

When driver’s seat belt is fastened:

SEAT BELT SW

OFF

-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------

ON BOARD

Check seat belt buckle switch in Switch
monitor (Mode II) mode. (Refer to On
board Diagnosis, EL-299.)

OK

E

NG

Check the following.

I

Seat belt buckle switch
Refer to “Electrical Com-
ponents Inspection” (EL-
182).

I

Seat belt buckle switch
ground circuit

I

Harness for open or
short between BCM and
seat belt buckle switch

Go to procedure 4.

WARNING CHIME

Trouble Diagnoses (Cont’d)

H

H

EL-180

SEL502W

DIAGNOSTIC PROCEDURE 4

SEL499W

SEL556UB

SEL495W

SEL564UB

CHECK DOOR SWITCH INPUT SIGNAL.

CONSULT-II

See “DOOR SW-DR” in DATA MONITOR
mode.
When driver’s door is open:

DOOR SW-DR

ON

When driver’s door is closed:

DOOR SW-DR

OFF

-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------

ON BOARD

Check driver side door switch in Switch
monitor (Mode II) mode. (Refer to On
board Diagnosis, EL-299.)

OK

E

NG

Check the following.

I

Driver door switch
Refer to “Electrical Com-
ponents Inspection” (EL-
182).

I

Driver door switch
ground condition

I

Harness for open or
short between driver
door switch and BCM

CHECK IGNITION SWITCH ON SIGNAL.

CONSULT-II

See “IGN ON SW” in DATA MONITOR
mode.
When ignition switch is ON:

IGN ON SW

ON

When ignition switch is ACC or OFF:

IGN ON SW

OFF

-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------

TESTER

Check voltage between BCM terminal

q

68

and ground.

OK

E

NG

Check the following.

I

7.5A fuse [No. 32 ,
located in the fuse block
(J/B)]

I

Harness for open or
short between fuse and
BCM

Perform “WARN ALM” in ACTIVE
TEST mode.
Check chime operation.

If CONSULT-II is not available, skip this
procedure and go to the next proce-
dure below.

NG

E

OK

System is OK.

CHECK WARNING CHIME.
1. Disconnect warning chime connector.
2. Apply 12V direct current to warning

chime and check operation.

OK

E

NG

Replace chime.

Check the following.

I

10A fuse [No. 12 located in the fuse
block (J/B)]

I

Harness for open or short between fuse
and chime

I

Harness for open or short between
chime and BCM

Condition of ignition switch

Voltage V

ON

Approx. 12

ACC or OFF

0

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

WARNING CHIME

Trouble Diagnoses (Cont’d)

H

H

H

H

EL-181

SEL907U

Electrical Components Inspection

KEY SWITCH (Insert)

Check continuity between terminals when key is inserted in ignition
key cylinder and key is removed from ignition key cylinder.

Terminal No.

Condition

Continuity

q

3

-

q

4

Key is inserted

Yes

Key is removed

No

SEL927U

DRIVER SIDE DOOR SWITCH

Check continuity between terminal and switch body ground when
door switch is pushed and released.

Terminal No.

Condition

Continuity

q

1

- ground

Door switch is pushed.

No

Door switch is released.

Yes

SEL928U

SEAT BELT BUCKLE SWITCH

Check continuity between terminals when seat belt is fastened and
unfastened.

Terminal No.

Condition

Continuity

q

14

-

q

41

Seat belt is fastened.

No

Seat belt is unfastened.

Yes

WARNING CHIME

EL-182