Nissan Teana J32. Manual — part 544
EXL-146
< ECU DIAGNOSIS >
[XENON TYPE]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
28
(SB)
Ground
Push-button ignition
switch
Input
Press the push-button ignition switch
0 V
Release the push-button ignition switch
Battery voltage
30
(BR)
Ground
Starter relay control
Input
Ignition
switch ON
Selector lever in any posi-
tion other than P or N
0 V
Selector lever P or N
Battery voltage
32
(V)
Ground
Steering lock unit condi-
tion-1
Input
Steering lock is activated
0 V
Steering lock is deactivated
Battery voltage
33
(G)
Ground
Steering lock unit condi-
tion-2
Input
Steering lock is activated
Battery voltage
Steering lock is deactivated
0 V
34
(O)
Ground
Cooling fan relay-3 control
Input
Cooling fan stopped
Battery voltage
Cooling fan at HI operation
0 V
35
(P)
Ground
Cooling fan relay-1 power
supply
Input
Cooling fan stopped
Battery voltage
Cooling fan at LO operation
6.0 V
36
(G)
Ground
Battery power supply
Input
Ignition switch OFF
Battery voltage
38
(GR)
Ground
Cooling fan relay-1 power
supply
Output
Cooling fan not operating
0 V
Cooling fan at LO operation
6.0 V
39
(P)
—
CAN-L
Input/
Output
—
—
40
(L)
—
CAN-H
Input/
Output
—
—
41
(B)
Ground
Ground
—
Ignition switch ON
0 V
42
(SB)
Ground
Cooling fan relay-2 control
Input
Cooling fan stopped
Battery voltage
• Cooling fan MID operating
• Cooling fan HI operating
0 V
43
(Y)
Ground
Control device
(Detention switch)
Input
Ignition
switch ON
Press the selector button
(selector lever P)
Battery voltage
• Selector lever in any po-
sition other than P
• Release the selector
button (selector lever P)
0 V
44
(G)
Ground
Horn relay control
Input
The horn is deactivated
Battery voltage
The horn is activated
0 V
45
(O)
Ground
Horn switch
Input
The horn is deactivated
Battery voltage
The horn is activated
0 V
46
(BR)
Ground
Starter relay control
Input
Ignition
switch ON
Selector lever in any posi-
tion other than P or N
0 V
Selector lever P or N
Battery voltage
48
(Y/R)
Ground
A/C relay power supply
Output
Engine
running
A/C switch OFF
0 V
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-147
< ECU DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
49
(R/B)
Ground
ECM relay power supply
Output
Ignition switch OFF
(More than a few seconds after turning
ignition switch OFF)
0 V
• Ignition switch ON
• Ignition switch OFF
(For a few seconds after turning igni-
tion switch OFF)
Battery voltage
51
(LG)
Ground
Ignition relay power supply
Output
Ignition switch OFF
0 V
Ignition switch ON
Battery voltage
52
(Y/G)
Ground
Ignition relay power supply
Output
Ignition switch OFF
0 V
Ignition switch ON
Battery voltage
53
(R/W)
Ground
ECM relay power supply
Output
Ignition switch OFF
(More than a few seconds after turning
ignition switch OFF)
0 V
• Ignition switch ON
• Ignition switch OFF
(For a few seconds after turning igni-
tion switch OFF)
Battery voltage
54
(G/W)
Ground
Throttle control motor re-
lay power supply
Output
Ignition switch OFF
(More than a few seconds after turning
ignition switch OFF)
0 V
• Ignition switch ON
• Ignition switch OFF
(For a few seconds after turning igni-
tion 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
0 V
Ignition switch ON
Battery voltage
57
(O)
Ground
Ignition relay power supply
Output
Ignition switch OFF
0 V
Ignition switch ON
Battery voltage
58
(Y)
Ground
Ignition relay power supply
Output
Ignition switch OFF
0 V
Ignition switch ON
Battery voltage
69
(W/B)
Ground
ECM relay control
Output
Ignition switch OFF
(More than a few seconds after turning
ignition switch OFF)
Battery voltage
• Ignition switch ON
• Ignition switch OFF
(For a few seconds after turning igni-
tion switch OFF)
0 - 1.5 V
70
(O)
Ground
Throttle control motor re-
lay control
Output
Ignition switch ON
→
OFF
0 -1.0 V
↓
Battery voltage
↓
0 V
Ignition switch ON
0 - 1.0 V
72
(R/B)
Ground
Starter relay control
Input
Ignition
switch ON
Selector lever in any posi-
tion other than P or N
0 V
Selector lever P or N
Battery voltage
74
(Y)
Ground
Ignition relay power supply
Output
Ignition switch OFF
0 V
Ignition switch ON
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
EXL-148
< ECU DIAGNOSIS >
[XENON TYPE]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
75
(P/L)
Ground
Oil pressure switch
Input
Ignition
switch ON
Engine stopped
0 V
Engine running
Battery voltage
76
(SB)
Ground
Power generation com-
mand signal
Output
Ignition switch ON
6.3 V
40% is set on “ACTIVE TEST”, “AL-
TERNATOR DUTY” of “ENGINE”
3.8 V
80% is set on “ACTIVE TEST”, “AL-
TERNATOR DUTY” of “ENGINE”
1.4 V
77
(GR)
Ground
Fuel pump relay control
Output
• Approximately 1 second after turning
the ignition switch ON
• Engine running
0 - 1.5 V
Approximately 1 second or more after
turning the ignition switch ON
Battery voltage
80
(B/W)
Ground
Starter motor
Output
At engine cranking
Battery voltage
83
(Y)
Ground
Headlamp LO (RH)
Output
Ignition
switch ON
Lighting switch OFF
0 V
Lighting switch 2ND
Battery voltage
84
(SB)
Ground
Headlamp LO (LH)
Output
Ignition
switch ON
Lighting switch OFF
0 V
Lighting switch 2ND
Battery voltage
86
(L)
Ground
Front fog lamp (RH)
Output
Lighting
switch
2ND
• Front fog lamp switch
ON
• Daytime running light
activated (Only for Can-
ada)
Battery voltage
Front fog lamp switch OFF
0 V
87
(R)
Ground
Front fog lamp (LH)
Output
Lighting
switch
2ND
• Front fog lamp switch
ON
• Daytime running light
activated (Only for Can-
ada)
Battery voltage
Front fog lamp switch OFF
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
JPMIA0001GB
JPMIA0002GB
JPMIA0003GB
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
EXL-149
< ECU DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
88
(P)
Ground
Washer pump power sup-
ply
Output
Ignition switch ON
Battery voltage
89
(W)
Ground
Headlamp HI (RH)
Output
Ignition
switch ON
• Lighting switch HI
• Lighting switch PASS
Battery voltage
Lighting switch OFF
0 V
90
(O)
Ground
Headlamp HI (LH)
Output
Ignition
switch ON
• Lighting switch HI
• Lighting switch PASS
Battery voltage
Lighting switch OFF
0 V
91
(O)
Ground
Parking lamp (RH)
Output
Ignition
switch ON
Lighting switch 1ST
Battery voltage
Lighting switch OFF
0 V
92
(L)
Ground
Parking lamp (LH)
Output
Ignition
switch ON
Lighting switch 1ST
Battery voltage
Lighting switch OFF
0 V
93
(BR)
Ground
Headlamp aiming motor
(RH)
Output
Ignition
switch ON
Lighting switch 1ST
Battery voltage
Lighting switch OFF
0 V
94
(Y)
Ground
Headlamp aiming motor
(LH)
Output
Ignition
switch ON
Lighting switch 1ST
Battery voltage
Lighting switch OFF
0 V
99
(W)
Ground
Ambient sensor ground
Input
Ignition switch ON
0 V
100
(SB)
Ground
Ambient sensor
Output
Ignition switch ON
NOTE:
Changes depending to ambient tem-
perature
101
(GR)
Ground
Refrigerant pressure sen-
sor ground
Input
Engine
running
• Warm-up condition
• Idle speed
0 V
102
(R)
Ground
Refrigerant pressure sen-
sor
Input
Engine
running
• Warm-up condition
• Both A/C switch and
blower fan motor switch
ON
(Compressor operates)
1.0 - 4.0 V
103
(P)
Ground
Refrigerant pressure sen-
sor power supply
Output
Ignition switch OFF
0 V
Ignition switch ON
5.0 V
104
(LG)
Ground
Hood switch
Output
Close the hood
Battery voltage
Open the hood
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
JSNIA0014GB
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