2009 INFINITI QX56 warning

WCS-18
< COMPONENT DIAGNOSIS >
METER BUZZER CIRCUIT
METER BUZZER CIRCUIT
DescriptionINFOID:0000000003776708
• The buzzer for warning chime system is installed in the combination meter.
• The combination meter sounds the alarm buzzer based on the signals transmitted from various units.
Component Function CheckINFOID:0000000003776709
1.CHECK OPERATION OF METER BUZZER
1. Select “BUZZER” of “BCM” on CONSULT-III.
2. Perform “LIGHT WARN ALM” of “ACTIVE TEST”.
Does meter buzzer activate?
YES >> Inspection End.
NO >> Replace combination meter. Refer to MWI-102, "
Removal and Installation".
Diagnosis ProcedureINFOID:0000000003776710
1.CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Refer to WCS-16, "
COMBINATION METER : Diagnosis Proce-
dure".
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair power supply circuit of combination meter.
Revision: December 20092009 QX56

WCS
WARNING CHIME SYSTEMWCS-23
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
WARNING CHIME SYSTEM
Wiring DiagramINFOID:0000000003776719
ABNWA0073GB
Revision: December 20092009 QX56

WCS-24
< COMPONENT DIAGNOSIS >
WARNING CHIME SYSTEM
ABNIA0213GB
Revision: December 20092009 QX56

WCS
WARNING CHIME SYSTEMWCS-25
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
ABNIA0214GB
Revision: December 20092009 QX56

WCS-26
< COMPONENT DIAGNOSIS >
WARNING CHIME SYSTEM
ABNIA0215GB
Revision: December 20092009 QX56

WCS
WARNING CHIME SYSTEMWCS-27
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
ABNIA0216GB
Revision: December 20092009 QX56

WCS-28
< ECU DIAGNOSIS >
COMBINATION METER
ECU DIAGNOSIS
COMBINATION METER
Reference ValueINFOID:0000000004115460
TERMINAL LAYOUT
PHYSICAL VALUES
WKIA5724E
Te r m i -nal Wire
color Item Condition
Reference value (V)
(Approx.)
Ignition
switch Operation or condition
3 Y/L Fuel level sensor signal — —Refer to MWI-12, "
FUEL GAUGE : System
Description".
4 B/P Fuel level sensor ground ON —0
6 BR/W Generator ONGenerator voltage low
0
Generator voltage normal Battery voltage
10 L CAN-H —— —
11 P C A N - L —— —
13 P Air bag warning lamp in-
put ONAir bag warning lamp ON
4
Air bag warning lamp OFF 0
15 BR CK SUSP warning lamp
input —CK SUSP warning lamp
ON
0
CK SUSP warning lamp
OFF Battery voltage
20 B Ground —— 0
21 O/L Ignition switch ON or
START ON
— Battery voltage
23 W/L Washer fluid level switch ON Washer fluid level low
0
Washer fluid level normal Battery voltage
24 O/B Seat belt buckle switch
LH ONUnfastened (ON)
0
Fastened (OFF) Battery voltage
25 P/L Seat belt buckle switch
RH ONUnfastened (ON)
0
Fastened (OFF) Battery voltage
31 G Parking brake switch ON Parking brake applied
0
Parking brake released Battery voltage
32 P/B Brake fluid level switch ON Brake fluid level low
0
Brake fluid level normal Battery voltage
33 R/G Stop lamp switch —Brake pedal depressed
Battery voltage
Brake pedal released 0
Revision: December 20092009 QX56

WCS
COMBINATION METERWCS-47
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
DTC IndexINFOID:0000000004115463
Function Specifications
Speedometer
Zero indication.
Tachometer
Fuel gauge
Engine coolant temperature gauge
Engine oil pressure gauge
Voltage gauge
A/T oil temperature gauge
Illumination control
Meter illumination Change to nighttime mode when communication is lost.
Segment LCD Odometer
Freeze current indication.
A/T position Display turns off.
Buzzer Buzzer turns off.
Warning lamp/indicator lamp ABS warning lamp
Lamp turns on when communication is lost.
Brake warning lamp
VDC OFF indicator lamp
SLIP indicator lamp
A/T CHECK warning lamp
Lamp turns off when communication is lost.
Oil pressure/coolant temperature
warning lamp
Light indicator
Malfunction indicator lamp
Master warning lamp
Air bag warning lamp
High beam indicator
Turn signal indicator lamp
CRUISE indicator lamp
Driver and passenger seat belt warn-
ing lamp
Lamp turns off when disconnected.
Charge warning lamp
Security indicator lamp
4WD indicator lamp
ATP indicator lamp
CK SUSP warning lamp
Low tire pressu
re warning lamp Lamp will flash every second for 1 minute and then stay on con-
tinuously thereafter.
CONSULT-III display
MalfunctionReference
page
CAN COMM CIRC
[U1000] Malfunction is detected in CAN communication.
CAUTION:
Even when there is no ma
lfunction on CAN communication system, malfunction may be
misinterpreted when battery has low voltag e (when maintaining 7 - 8 V for about 2 sec-
onds) or 10A fuse [No. 19, located in the fuse block (J/B)] is disconnected. MWI-28
VEHICLE SPEED
CIRC
[B2205]Malfunction is detected when an erroneous speed signal is input.
CAUTION:
Even when there is no malfunction on speed signal system, malfunction may be misin-
terpreted when battery has low voltage (whe
n maintaining 7 - 8 V for about 2 seconds). MWI-29
Revision: December 20092009 QX56