Nissan Pathfinder (2010 year). Instruction — part 586
SEC-182
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
24
P
Cooling fan motor
(high)
Output
—
Conditions correct for cooling
fan operation
Battery voltage
Conditions not correct for
cooling fan operation
0V
27
W
Fuse 38
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
28
R
LH front parking and
front side marker lamp
Output
OFF
Lighting
switch 1st po-
sition
OFF
0V
ON
Battery voltage
29
G
Trailer tow relay
Output
ON
Lighting
switch 1st po-
sition
OFF
0V
ON
Battery voltage
30
R/B
Fuse 53
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
32
GR
Wiper low speed sig-
nal
Output
ON or
START
Wiper switch
OFF
Battery voltage
LO or INT
0V
35
L
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
—
—
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
2010 Pathfinder
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
SEC-183
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
43
G
Wiper auto stop signal
Input
ON or
START
Wiper switch
OFF, LO, INT
Battery voltage
44
R
Daytime light relay
control
Input
ON
Daytime light system active
0V
Daytime light system inactive
Battery voltage
45
LG
Horn relay control
Input
ON
When door locks are operated
using keyfob or Intelligent Key
(if equipped) (OFF
→
ON)*
Battery voltage
→
0V
46
V
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
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
GR
Front RH parking and
front side marker lamp
Output
OFF
Lighting
switch 1st po-
sition
OFF
0V
ON
Battery voltage
50
W
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
V
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
P
LH low beam head-
lamp
Output
—
Lighting switch in 2nd position
Battery voltage
54
R
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
L
RH high beam head-
lamp
Output
—
Lighting switch in 2nd position
and placed in HIGH or PASS
position
Battery voltage
57
GR
Parking, license, and
tail lamp
Output
ON
Lighting
switch 1st po-
sition
OFF
0V
ON
Battery voltage
59
B
Ground
Input
—
—
0V
60
GR
Rear window defog-
ger relay
Output
ON or
START
Rear defogger switch ON
Battery voltage
Rear defogger switch OFF
0V
61
R/B
Fuse 32
Output
OFF
—
Battery voltage
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value
(Approx.)
Igni-
tion
switch
Operation or condition
2010 Pathfinder
SEC-184
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
*: When horn reminder is ON
Wiring Diagram
INFOID:0000000005484877
ABMWA0473GB
2010 Pathfinder
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
SEC-185
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
ABMWA0474GB
2010 Pathfinder
SEC-186
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
ABMIA1290GB
2010 Pathfinder
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
SEC-187
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
ABMIA1291GB
2010 Pathfinder
SEC-188
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Fail Safe
INFOID:0000000005484832
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN
communication recovers normally, it also returns to normal control.
If No CAN Communication Is Available With ECM
ABMIA1292GB
2010 Pathfinder
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
SEC-189
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
If No CAN Communication Is Available With BCM
IGNITION RELAY MALFUNCTION DETECTION FUNCTION
• IPDM E/R monitors the voltage at the contact circuit and excitation coil circuit of the ignition relay inside it.
• IPDM E/R judges the ignition relay error if the voltage differs between the contact circuit and the excitation
coil circuit.
• If the ignition relay cannot turn OFF due to contact seizure, it activates the tail lamp relay for 10 minutes to
alert the user to the ignition relay malfunction when the ignition switch is turned OFF.
NOTE:
The tail lamp turns OFF when the ignition switch is turned ON.
FRONT WIPER CONTROL
IPDM E/R detects front wiper stop position by a front wiper auto stop signal.
When a front wiper auto stop signal is in the conditions listed below, IPDM E/R stops power supply to wiper
after repeating a front wiper 10 second activation and 20 second stop five times.
NOTE:
This operation status can be confirmed on the IPDM E/R “DATA MONITOR” that displays “Block” for the item
“WIP PROT” while the wiper is stopped.
STARTER MOTOR PROTECTION FUNCTION
IPDM E/R turns OFF the starter control relay to protect the starter motor when the starter control relay remains
active for 90 seconds.
Control part
Fail-safe in operation
Cooling fan
• Turns ON the cooling fan relay when the ignition switch is turned ON
• Turns OFF the cooling fan relay when the ignition switch is turned OFF
Control part
Fail-safe in operation
Headlamp
• Turns ON the headlamp low relay when the ignition switch is turned ON
• Turns OFF the headlamp low relay when the ignition switch is turned OFF
• Headlamp (LH/RH) high relays OFF
• Parking lamps
• License plate lamps
• Tail lamps
• Turns ON the tail lamp relay when the ignition switch is turned ON
• Turns OFF the tail lamp relay when the ignition switch is turned OFF
Front wiper
• The status just before activation of fail-safe control is maintained until the ignition
switch is turned OFF while the front wiper is operating at LO or HI speed.
• The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-
safe control is activated while the front wiper is set in the INT mode and the front wiper
motor is operating.
Rear window defogger
Rear window defogger relay OFF
A/C compressor
A/C relay OFF
Front fog lamps (if equipped)
Front fog lamp relay OFF
Ignition switch
Ignition relay
Tail lamp relay
ON
ON
—
OFF
OFF
—
Ignition switch
Front wiper switch
Auto stop signal
ON
OFF
Front wiper stop position signal cannot be
input 10 seconds.
ON
The signal does not change for 10 seconds.
2010 Pathfinder
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