Nissan Altima L32. Instruction — part 734
EXL-220
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
TERMINAL LAYOUT
PHYSICAL VALUES
ALMIA0128ZZ
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
1
(R)
Ground Battery power supply
Input
Ignition switch OFF
Battery voltage
2
(L)
Ground Battery power supply
Input
Ignition switch OFF
Battery voltage
4
(L/R)
Ground Front wiper LO
Output
Ignition
switch ON
Front wiper switch OFF
0V
Front wiper switch LO
Battery voltage
5
(L/B)
Ground Front wiper HI
Output
Ignition
switch ON
Front wiper switch OFF
0V
Front wiper switch HI
Battery voltage
6
(SB)
Ground
Daytime light relay power
supply (Canada models
only)
Output
Ignition switch OFF
Battery voltage
7
(R/L)
Ground
Tail, license plate lamps &
interior lamps
Output
Ignition
switch ON
Lighting switch OFF
0V
Lighting switch 1ST
Battery voltage
10
(R/B)
Ground ECM relay power supply
Output
Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)
0V
• Ignition switch ON
• Ignition switch OFF
(More than a few seconds after turn-
ing ignition switch OFF)
Battery voltage
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
EXL-221
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
11
(P/L)
Ground
Steering lock unit power
supply
Output
Ignition
switch
OFF
A few seconds after open-
ing the driver door
Battery voltage
Ignition
switch
LOCK
Press the push-button ig-
nition switch
Battery voltage
Ignition switch ACC or ON
0V
12
(B)
Ground Ground
—
Ignition switch ON
0V
13
(W)
Ground Fuel pump power supply
Output
Approximately 1 second or more after
turning the ignition switch ON
0V
• Approximately 1 second after turning
the ignition switch ON
• Engine running
Battery voltage
15
(G/W)
Ground
Ignition relay-1 power sup-
ply
Output
Ignition switch OFF
0V
Ignition switch ON
Battery voltage
16
(L/Y)
Ground Front wiper auto stop
Input
Ignition
switch ON
Front wiper stop position
0V
Any position other than
front wiper stop position
Battery voltage
19
(L/Y)
Ground
Ignition relay-1 power sup-
ply
Output
Ignition switch OFF
0V
Ignition switch ON
Battery voltage
20
(B/Y)
Ground Ambient sensor ground
—
Ignition switch ON
0V
21
(O/B)
Ground Ambient sensor
—
Ignition switch ON
5V
22
(W/R)
Ground
Refrigerant pressure sen-
sor ground
—
Ignition switch ON
0V
23
(B/R)
Ground
Refrigerant pressure sen-
sor
—
• Ignition switch ON (READY)
• Both A/C switch and blower motor
switch ON (electric compressor oper-
ates)
1.0 - 4.0V
24
(BR/W)
Ground
Refrigerant pressure sen-
sor power supply
—
Ignition switch ON
5V
25
(GR)
Ground
Ignition relay-1 power sup-
ply
Output
Ignition switch OFF
0V
Ignition switch ON
Battery voltage
27
(BR/W)
Ground Ignition relay monitor
Input
Ignition switch OFF or ACC
Battery voltage
Ignition switch ON
0V
28
(BR)
Ground
Push-button ignition
switch
Input
Press the push-button ignition switch
0V
Release the push-button ignition switch
Battery voltage
30
(R/B)
Ground Starter relay control
Input
CVT mod-
els
CVT selector lever in any
position other than P or N
(ignition switch ON)
0V
CVT selector lever P or N
(ignition switch ON)
Battery voltage
M/T mod-
els
Release the clutch pedal
0V
Depress the clutch pedal
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
EXL-222
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
32
(L/O)
Ground
Electronic steering column
lock unit condition-1
Input
Electronic steering column lock is acti-
vated
0V
Electronic steering column lock is deac-
tivated
Battery voltage
33
(G/R)
Ground
Electronic steering column
lock unit condition-2
Input
Electronic steering column lock is acti-
vated
Battery voltage
Electronic steering column lock is deac-
tivated
0V
34
(O/L)
Ground Cooling fan relay-3 control
Input
Ignition switch OFF or ACC
0V
Ignition switch ON
0.7V
35
(L/B)
Ground Cooling fan motor control
Output
Ignition switch OFF or ACC
0V
Ignition switch ON
0.7V
36
(G)
Ground Battery power supply
Input
Ignition switch OFF
Battery voltage
38
(R/W)
Ground Cooling fan motor control
Output
Ignition switch OFF or ACC
0V
Ignition switch ON
0.7V
39
(P)
—
CAN - L
Input/
Output
—
—
40
(L)
—
CAN - H
Input/
Output
—
—
41
(B)
Ground Ground
—
Ignition switch ON
0V
42
(SB)
Ground Cooling fan relay-2 control
Input
Ignition switch OFF or ACC
0V
Ignition switch ON
0.7V
43
(G/B)
Ground
CVT device
(Detention switch)
Input
Ignition
switch ON
Press the CVT selector
button (CVT selector lever
P)
Battery voltage
• CVT selector lever in
any position other than
P
• Release the CVT selec-
tor button (CVT selector
lever P)
0V
44
(G/W)
Ground Horn relay control
Input
The horn is deactivated
Battery voltage
The horn is activated
0V
45
(L/O)
Ground Anti theft horn relay control
Input
The horn is deactivated
Battery voltage
The horn is activated
0V
46
(R)
Ground Starter relay control
Input
CVT mod-
els
CVT selector lever in any
position other than P or N
(ignition switch ON)
0V
CVT selector lever P or N
(ignition switch ON)
Battery voltage
M/T mod-
els
Release the clutch pedal
0V
Depress the clutch pedal
Battery voltage
48
(Y/R)
Ground A/C relay power supply
Output
Engine
running
A/C switch OFF
0V
A/C switch ON
(A/C compressor is oper-
ating)
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
EXL-223
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
49
(R/B)
Ground
ECM relay power supply
(with VQ35DE)
Output
Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)
0V
• Ignition switch ON
• Ignition switch OFF
(More than a few seconds after turn-
ing ignition switch OFF)
Battery voltage
49
(B/R)
Ground
ECM relay power supply
(without VQ35DE)
Output
Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)
0V
• Ignition switch ON
• Ignition switch OFF
(More than a few seconds after turn-
ing ignition switch OFF)
Battery voltage
51
(LG)
Ground Ignition relay power supply
Output
Ignition switch OFF
0V
Ignition switch ON
Battery voltage
52
(Y/G)
Ground Ignition relay power supply
Output
Ignition switch OFF
0V
Ignition switch ON
Battery voltage
53
(B/R)
Ground
ECM relay power supply
(with VQ35DE)
Output
Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)
0V
• Ignition switch ON
• Ignition switch OFF
(More than a few seconds after turn-
ing ignition switch OFF)
Battery voltage
53
(R/B)
Ground
ECM relay power supply
(without VQ35DE)
Output
Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)
0V
• Ignition switch ON
• Ignition switch OFF
(More than a few seconds after turn-
ing ignition switch OFF)
Battery voltage
54
(G/W)
Ground
Throttle control motor re-
lay power supply
Output
Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)
0V
• Ignition switch ON
• Ignition switch OFF
(More than a few seconds after turn-
ing ignition switch OFF)
Battery voltage
55
(W/L)
Ground ECM power supply
Output
Ignition switch OFF
Battery voltage
56
(R/Y)
Ground Ignition relay power supply
Output
Ignition switch OFF
0V
Ignition switch ON
Battery voltage
57
(O)
Ground Ignition relay power supply
Output
Ignition switch OFF
0V
Ignition switch ON
Battery voltage
58
(Y)
Ground Ignition relay power supply
Output
Ignition switch OFF
0V
Ignition switch ON
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
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