Infiniti Q45 (FY33). Manual — part 291
![](/vehicles/zatt/fitanyou/tushi/isotor.png)
CEL916
I
Diodes for warning lamps are built into the combination meter
printed circuit.
GI
MA
EM
LC
EC
FE
AT
PD
FA
RA
BR
ST
RS
BT
HA
IDX
METER AND GAUGES
Electrical Components Inspection (Cont’d)
EL-155
![](/vehicles/zatt/fitanyou/tushi/xyon.png)
System Description
With the ignition switch in the ON or START position, power is supplied
I
through 7.5A fuse [No. 4 , located in the fuse block (J/B)]
I
to combination meter terminal
q
41
.
Ground is supplied
I
to combination meter terminal
q
39
and
I
A/T device (OD control switch) terminal
q
2
I
through body grounds
M14
and
M47
.
Ground is supplied
I
to fuel level sensor unit terminal
q
4
I
through ECM terminal
129
.
Ground is supplied
I
seat belt buckle switch terminal
q
14
I
through body grounds
B22
and
B35
.
Ground is supplied
I
to brake fluid level switch terminal
q
2
and
I
washer level switch terminal
q
2
I
through body grounds
E22
and
E36
.
AIR BAG WARNING LAMP
During prove out or when an air bag malfunction occurs, the ground path is interrupted
I
from the air bag diagnosis sensor unit terminal
q
15
I
to combination meter terminal
q
6
.
Ground is supplied
I
through combination meter terminal
q
39
.
With power and ground supplied, the air bag warning lamp (LEDs) illuminate.
For further information, refer to RS section (“TROUBLE DIAGNOSES”).
DOOR WARNING LAMP
Door warning lamp is controlled by BCM.
When one of the passenger door is opened, ground is supplied to the BCM terminals
q
28
,
q
32
,
q
33
or
q
37
.
And then ground is supplied
I
to combination meter terminal
q
35
I
from BCM terminal
111
.
With power and ground supplied, the door warning lamp illuminates.
ACTIVE DAMPER INDICATOR LAMP (SPORT)
When an active damper suspension system malfunction occurs, or “SPORT” mode is selected by active
damper suspension select switch, ground is supplied
I
to combination meter terminal
q
2
I
from active damper suspension control unit terminal
q
16
.
With power and ground supplied, the active damper indicator lamp (SPORT) blinks or illuminates.
For further information, refer to FA section (“TROUBLE DIAGNOSES FOR ACTIVE DAMPER SUSPENSION”).
LOW OIL PRESSURE WARNING LAMP
Low oil pressure causes oil pressure switch terminal
q
1
to provide ground to combination meter terminal
q
33
.
With power and ground supplied, the low oil pressure warning lamp illuminates.
CHARGE WARNING LAMP
During prove out or when a alternator malfunction occurs, ground is supplied
I
to combination meter terminals
q
31
and
q
40
I
from alternator terminal
q
3
.
With power and ground supplied, the charge warning lamp and brake lamp illuminate.
WARNING LAMPS
EL-156
LOW WASHER LEVEL WARNING LAMP
When the washer fluid level is low, ground is supplied
I
to combination meter terminal
q
5
I
from washer fluid level switch terminal
q
1
.
With power and ground supplied, the low washer level warning lamp illuminates.
OD OFF WARNING LAMP
When an A/T system malfunction occurs, or OD control switch is in OFF position, ground is supplied
I
to combination meter terminal
q
37
I
from TCM (transmission control module) terminal
q
3
.
With power and ground supplied, the OD warning lamp blinks or illuminates.
For further information, refer to AT section (“TROUBLE DIAGNOSES”).
LOW FUEL LEVEL WARNING LAMP
The amount of fuel in the fuel tank is determined by the fuel level sensor in the fuel tank. A signal is sent from
fuel level sensor unit terminal
q
6
to combination meter terminal
q
3
. The fuel level sensor will illuminate the
low fuel level warning lamp when the fuel level is low.
With power and ground supplied, the low fuel level warning lamp illuminates.
ABS WARNING LAMP
When an ABS malfunction occurs, ground is supplied
I
to combination meter terminal
q
9
I
from ABS/TCS control unit terminal
q
22
.
With power and ground supplied, the ABS warning lamp illuminates.
For further information, refer to BR section (“TROUBLE DIAGNOSES”).
TCS OFF WARNING LAMP
When TCS off switch is in OFF position, or an ABS/TCS malfunction occurs, ground is supplied
I
to combination meter terminal
q
1
I
from ABS/TCS control unit terminal
q
11
.
With power and ground supplied, the TCS off warning lamp illuminates.
For further information, refer to BR section (“TROUBLE DIAGNOSES”).
SLIP WARNING LAMP
When TCS is in operation, or a TCS malfunction occurs, ground is supplied
I
to combination meter terminal
q
4
I
from ABS/TCS control unit terminal
q
10
.
With power and ground supplied, the slip warning lamp illuminates.
For further information, refer to BR section (“TROUBLE DIAGNOSES”).
SEAT BELT WARNING LAMP
When the driver’s seat belt is unfastened, ground is supplied
I
to air bag diagnoses sensor unit terminal
q
22
I
from seat belt buckle switch terminal
q
41
.
And then ground is supplied
I
to combination meter terminal
q
36
I
from air bag diagnoses sensor unit terminal
q
16
.
With power and ground supplied, the seat belt warning lamp illuminates.
BRAKE WARNING LAMP
When the parking brake is applied, or the brake fluid level is low, ground is supplied
I
to combination meter terminal
q
34
I
from parking brake switch terminal
q
1
, or
I
brake fluid level switch terminal
q
1
.
With power and ground supplied, the brake warning lamp illuminates.
TAIL AND STOP WARNING LAMP
When one of the stop lamp bulbs is burned out with the stop lamp switch depressed, or one of the tail lamp
bulbs is burned out with the lighting switch in the 1ST or 2ND position, ground is supplied.
I
to combination meter terminal
q
32
I
from stop and tail lamp sensor terminal
q
3
.
With power and ground is supplied, the tail and stop lamp warning lamp illuminates.
GI
MA
EM
LC
EC
FE
AT
PD
FA
RA
BR
ST
RS
BT
HA
IDX
WARNING LAMPS
System Description (Cont’d)
EL-157
MALFUNCTION INDICATOR LAMP
During prove out or when an engine control malfunction occurs, ground is supplied
I
to combination meter terminal
q
42
I
from ECM terminal
q
48
.
With power and ground supplied, the malfunction indicator lamp illuminates.
For further information, refer to EC section [“Malfunction Indicator Lamp (MIL)”, “ON BOARD DIAGNOSTIC
SYSTEM DESCRIPTION”].
WARNING LAMPS
System Description (Cont’d)
EL-158
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст