200 INFINITI QX56 2009 Factory Service Manual

MWI-42
< ECU DIAGNOSIS >
COMBINATION METER
ECU DIAGNOSIS
COMBINATION METER
Reference ValueINFOID:0000000003776653
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

MWI
COMBINATION METERMWI-43
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
NOTE:
*1: With Type A main harness. For definition of Type A main harness, refer to PG-41, "
Harness Layout".
*2: With Type B main harness. For definition of Type B main harness, refer to PG-41, "
Harness Layout".
35 G/O Security indicator input OFF
Security indicator ON
0
Security indicator OFF Battery voltage
37 O Ignition switch ACC or
ON
—
— Battery voltage
40 Y/R
*1Battery power supply — —Battery voltage
40 P
*2Battery power supply — —Battery voltage
46 BR Illumination output ——Refer to INL-9, "
System Description".
47 B Ground —— 0
50 W/R Vehicle speed signal out-
put (8-pulse) ONSpeedometer operated
[When vehicle speed is ap-
prox. 40 km/h (25 MPH)] NOTE:
Maximum voltage may be 12V due to spec-
ifications (connected units).
52 B Ground —— 0
Te r m i -
nal Wire
color Item Condition
Reference value (V)
(Approx.)
Ignition
switch Operation or condition
PKIC0643E
Revision: December 20092009 QX56

MWI-44
< ECU DIAGNOSIS >
COMBINATION METER
Wiring Diagram
INFOID:0000000003776654
AANWA0270GB
Revision: December 20092009 QX56

MWI
COMBINATION METERMWI-45
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
AANWA0275GB
Revision: December 20092009 QX56

MWI-46
< ECU DIAGNOSIS >
COMBINATION METER
ABNWA0027GB
Revision: December 20092009 QX56

MWI
COMBINATION METERMWI-47
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
ABNWA0028GB
Revision: December 20092009 QX56

MWI-48
< ECU DIAGNOSIS >
COMBINATION METER
ABNWA0029GB
Revision: December 20092009 QX56

MWI
COMBINATION METERMWI-49
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
ABNIA0052GB
Revision: December 20092009 QX56

MWI-50
< ECU DIAGNOSIS >
COMBINATION METER
AANIA0271GB
Revision: December 20092009 QX56

MWI
COMBINATION METERMWI-51
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
AANIA0272GB
Revision: December 20092009 QX56