Infiniti QX56 (JA60). Manual — part 725
PCS-22
< ECU DIAGNOSIS >
[IPDM E/R]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
TERMINAL LAYOUT —TYPE B
Physical Values
INFOID:0000000005146514
PHYSICAL VALUES
AAMIA0364GB
PCS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PCS-23
< ECU DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value
(Approx.)
Igni-
tion
switch
Operation or condition
1
B/Y
Battery power supply
Input
OFF
—
Battery voltage
2
R
Battery power supply
Input
OFF
—
Battery voltage
3
BR
ECM relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
4
W/L
ECM relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
6
L
Throttle control motor
relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
7
W/B
ECM relay control
Input
—
Ignition switch ON or START
0V
Ignition switch OFF or ACC
Battery voltage
8
R/B
Fuse 54
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
10
G
Fuse 45
(Canada only)
Output
ON
Daytime light system active
0V
Daytime light system inactive
Battery voltage
11
Y/B
A/C compressor
Output
ON or
START
A/C switch ON or defrost A/C
switch
Battery voltage
A/C switch OFF or defrost A/C
switch
0V
12
L/W
Ignition switch sup-
plied power
Input
—
OFF or ACC
0V
ON or START
Battery voltage
13
B/Y
Fuel pump relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
14
Y/R
Fuse 49
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
15
LG/B
Fuse 50
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
16
G
Fuse 51
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
17
W
Fuse 55
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
19
W/R
Starter motor
Output
START
—
Battery voltage
21
BR
Ignition switch sup-
plied power
Input
—
OFF or ACC
0V
START
Battery voltage
22
G
Battery power supply
Output
OFF
—
Battery voltage
23
GR/W
Door mirror defogger
output signal
Output
—
When rear defogger switch is
ON
Battery voltage
When raker defogger switch is
OFF
0V
24
L
Cooling fan relay
Output
—
Conditions correct for cooling
fan operation
Battery voltage
Conditions not correct for
cooling fan operation
0V
PCS-24
< ECU DIAGNOSIS >
[IPDM E/R]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
26
P/L
Headlamp aiming mo-
tors
Output
—
Lighting
switch 2nd
position or
AUTO, head-
lamp aiming
switch in po-
sition
OFF
0V
ON
Battery voltage
27
W/B
Fuse 38
(With trailer tow)
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
30
W
Fuse 53
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
32
L
Wiper low speed sig-
nal
Output
ON or
START
Wiper switch
OFF
Battery voltage
LO or INT
0V
35
L/B
Wiper high speed sig-
nal
Output
ON or
START
Wiper switch
OFF, LO, INT
Battery voltage
HI
0V
37
Y
Power generation
command signal
Output
—
Ignition switch ON
6.3 V
40% is set on "Active test,"
"ALTERNATOR DUTY" of
"ENGINE"
3.8 V
40% is set on "Active test,"
"ALTERNATOR DUTY" of
"ENGINE"
1.4 V
38
B
Ground
Input
—
—
0V
39
L
CAN-H
—
ON
—
—
40
P
CAN-L
—
ON
—
—
41
Y/B
Hood switch
Input
—
Hood closed
OFF
0V
Hood open
ON
Battery voltage
42
GR
Oil pressure switch
Input
—
Engine running
Battery voltage
Engine stopped
0V
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value
(Approx.)
Igni-
tion
switch
Operation or condition
JPMIA0001GB
JPMIA0002GB
JPMIA0003GB
PCS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PCS-25
< ECU DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
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
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