Infiniti QX56 (JA60). Manual - part 712
MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
MWI-83
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
43
L/Y
Wiper auto stop signal
Input
ON or
START
Wiper switch
OFF, LO, INT
Battery voltage
44
BR
Daytime light relay
control
(Canada only)
Input
ON
Daytime light system active
0V
Daytime light system inactive
Battery voltage
45
G/W
Horn relay control
Input
ON
When door locks are operated
using Intelligent Key (OFF
→
ON)*
Battery voltage
→ 0V
46
GR
Fuel pump relay con-
trol
Input
—
Ignition switch ON or START
0V
Ignition switch OFF or ACC
Battery voltage
47
O
Throttle control motor
relay control
Input
—
Ignition switch ON or START
0V
Ignition switch OFF or ACC
Battery voltage
48
B/R
Starter relay (inhibit
switch)
Input
ON or
START
Selector lever in "P" or "N"
0V
Selector lever any other posi-
tion
Battery voltage
49
R/L
Trailer tow relay
(With trailer tow)
Illumination
(Without trailer tow)
Output
ON
Lighting
switch must
be in the 1st
position
OFF
0V
ON
Battery voltage
50
W/R
Front fog lamp (LH)
Output
ON or
START
Lighting
switch must
be in the 2nd
position
(LOW beam
is ON) and
the front fog
lamp switch
OFF
0V
ON
Battery voltage
51
W/R
Front fog lamp (RH)
Output
ON or
START
Lighting
switch must
be in the 2nd
position
(LOW beam
is ON) and
the front fog
lamp switch
OFF
0V
ON
Battery voltage
52
L
LH low beam head-
lamp
Output
—
Lighting switch in 2nd position
Battery voltage
54
R/Y
RH low beam head-
lamp
Output
—
Lighting switch in 2nd position
Battery voltage
55
G
LH high beam head-
lamp
Output
—
Lighting switch in 2nd position
and placed in HIGH or PASS
position
Battery voltage
56
Y
(With
DTRL)
L/W
(Without
DTRL)
RH high beam head-
lamp
Output
—
Lighting switch in 2nd position
and placed in HIGH or PASS
position
Battery voltage
57
R/L
Parking, license, and
tail lamp
Output
ON
Lighting
switch 1st po-
sition
OFF
0V
ON
Battery voltage
59
B
Ground
Input
—
—
0V
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value
(Approx.)
Igni-
tion
switch
Operation or condition