Nissan Tiida C11. Instruction — part 1097
MWI-78
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value
(Approx.)
Ignition
switch
Operation or condition
1
R
Battery power supply
Input
OFF
—
Battery voltage
2
G
Battery power supply
Input
OFF
—
Battery voltage
3
Y
ECM Relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
4
G
ECM relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
6
GR
Daytime light relay
control
Input
ON
Daytime light system active.
Less than battery voltage
Daytime light system inactive.
Battery voltage
7
G
ECM relay control
Input
—
Ignition switch ON or START
0V
Ignition switch OFF or ACC
Battery voltage
8
G
Throttle control motor
relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
11
W
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
O
Ignition switch sup-
plied power
Input
—
OFF or ACC
0V
ON or START
Battery voltage
14
BR
(M/T)
R
(A/T)
Fuse 49
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
15
V
Fuse 50
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
16
SB
Fuse 51
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
19
R
Starter motor
Output
START
—
Battery voltage
20
L
(with
A/C)
LG
(with-
out A/
C)
Cooling fan relay-1
Output
—
Conditions correct for cooling
fan low operation.
Battery voltage
Conditions not correct for
cooling fan low operation.
0V
21
W
Ignition switch START
signal
Input
START
—
Battery voltage
22
G
Battery power supply
Input
—
—
Battery voltage
23
L
Cooling fan relay-2
Input
—
Conditions correct for cooling
fan high operation
Battery voltage
Conditions not correct for
cooling fan high operation
0V
24
Y
Cooling fan relay-3
Output
—
Conditions correct for cooling
fan high operation
Battery voltage
Conditions not correct for
cooling fan high operation
0V
27
BR
Tail lamp relay (park-
ing lamps)
Output
—
Lighting switch in 2nd position
Battery voltage
MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
MWI-79
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
29
P
Tail lamp relay (park-
ing lamps)
Output
—
Lighting switch in 2nd position
Battery voltage
30
R
Fuse 54
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
31
O
Fuse 55
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
32
L
Wiper high speed sig-
nal
Output
ON or
START
Wiper switch
OFF, LO, INT
0V
HI
Battery voltage
33
Y
Wiper low speed sig-
nal
Output
ON or
START
Wiper switch
OFF
0V
LO or INT
Battery voltage
35
BR
Starter relay (inhibit
switch)
Input
ON or
START
Selector lever in "P" or "N"
(CVT or A/T) or clutch pedal
depressed (M/T)
Battery voltage
Selector lever any other posi-
tion (CVT or A/T) or clutch
pedal released (M/T)
0V
36
BR
Fuel pump relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
37
G
Oil pressure switch
Input
ON or
START
Engine running and oil pres-
sure within specification
Battery voltage
Engine not running or oil pres-
sure below specification
0V
38
R
Wiper auto stop signal
Input
ON or
START
Wipers not in park position
Battery voltage
Wipers in park position
0V
39
B
Ground
Input
—
—
0V
40
P
CAN-L
—
ON
—
—
41
L
CAN-H
—
ON
—
—
46
Y
Throttle control motor
relay control
Input
—
Ignition switch ON or START
0V
Ignition switch OFF or ACC
Battery voltage
47
GR
Fuel pump relay con-
trol
Input
—
Ignition switch ON or START
0V
Ignition switch OFF or ACC
Battery voltage
50
V
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
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
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value
(Approx.)
Ignition
switch
Operation or condition
MWI-80
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
54
P
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
RH High beam head-
lamp
Output
—
Lighting switch in 2nd position
and placed in HIGH or PASS
position
Battery voltage
59
B
Ground
Input
—
—
0V
60
R
Rear window defogger
relay
Output
ON or
START
Rear defogger Switch ON
Battery voltage
Rear defogger Switch OFF
0V
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value
(Approx.)
Ignition
switch
Operation or condition
MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
MWI-81
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Wiring Diagram
INFOID:0000000001713128
ALMWA0086GB
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