ECU NISSAN TEANA 2008 Service Manual

MWI-104
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
TERMINAL LAYOUT
PHYSICAL VALUES
JPMIA0863ZZ
Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
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
(LG)Ground Front wiper LO OutputIgnition
switch ONFront wiper switch OFF 0 V
Front wiper switch LO Battery voltage
5
(Y)Ground Front wiper HI OutputIgnition
switch ONFront wiper switch OFF 0 V
Front wiper switch HI Battery voltage
7
(GR)GroundTail, license plate lamps &
illuminationsOutputIgnition
switch ONLighting switch OFF 0 V
Lighting switch 1ST Battery voltage
10
(BR)Ground ECM relay power supply OutputIgnition 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

MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
MWI-105
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
MB A
O
P
11
(P)GroundSteering lock unit power
supplyOutputIgnition
switch
OFFA few seconds after open-
ing the driver doorBattery voltage
Ignition
switch
LOCKPress the push-button ig-
nition switchBattery voltage
Ignition switch ACC or ON 0 V
12
(B/W)Ground Ground — Ignition switch ON 0 V
13
(SB)Ground Fuel pump power supply OutputApproximately 1 second or more after
turning the ignition switch ON0 V
 Approximately 1 second after turning
the ignition switch ON
 Engine runningBattery voltage
15
(W)Ground Ignition relay power supply OutputIgnition switch OFF 0 V
Ignition switch ON Battery voltage
16
(R)Ground Front wiper auto stop InputIgnition
switch ONFront wiper stop position 0 V
Any position other than
front wiper stop positionBattery voltage
17
(V)GroundHeadlamp washer relay
controlInputIgnition
switch ONHeadlamp washer deacti-
vatedBattery voltage
Headlamp washer activat-
ed0 V
19
(Y)Ground Ignition relay power supply OutputIgnition switch OFF 0 V
Ignition switch ON Battery voltage
20
(B)Ground Ambient sensor ground Output Ignition switch ON 0 V
21
(O)Ground Ambient sensor InputIgnition switch ON
NOTE:
Changes depending to ambient tem-
perature
22
(SB)GroundRefrigerant pressure sen-
sor groundOutputEngine
running Warm-up condition
 Idle speed0 V
23
(GR)GroundRefrigerant pressure sen-
sorOutputEngine
running Warm-up condition
 Both A/C switch and
blower fan motor switch
ON
(Compressor operates)1.0 - 4.0 V
24
(G)
GroundRefrigerant pressure sen-
sor power supplyInputIgnition switch OFF 0 V
Ignition switch ON 5.0 V
25
(GR)Ground Ignition relay power supply OutputIgnition switch OFF 0 V
Ignition switch ON Battery voltage
27
(W)Ground Ignition relay monitor InputIgnition switch OFF or ACC Battery voltage
Ignition switch ON 0 V Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
Output +−
JSNIA0014GB

MWI-106
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
28
(SB)GroundPush-button ignition
switchInputPress the push-button ignition switch 0 V
Release the push-button ignition switch Battery voltage
30
(BR)Ground Starter relay control InputIgnition
switch ONSelector lever in any posi-
tion other than P or N0 V
Selector lever P or N Battery voltage
32
(V)GroundSteering lock unit condi-
tion-1InputSteering lock is activated 0 V
Steering lock is deactivated Battery voltage
33
(G)GroundSteering lock unit condi-
tion-2InputSteering lock is activated Battery voltage
Steering lock is deactivated 0 V
34
(O)Ground Cooling fan relay-3 control InputCooling fan stopped Battery voltage
Cooling fan at HI operation 0 V
35
(P)GroundCooling fan relay-1 power
supplyInputCooling 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)GroundCooling fan relay-1 power
supplyOutputCooling fan not operating 0 V
Cooling fan at LO operation 6.0 V
39
(P)—CAN-LInput/
Output——
40
(L)—CAN-HInput/
Output——
41
(B)Ground Ground — Ignition switch ON 0 V
42
(SB)Ground Cooling fan relay-2 control InputCooling fan stopped Battery voltage
 Cooling fan MID operating
 Cooling fan HI operating0 V
43
(Y)GroundControl device
(Detention switch)InputIgnition
switch ONPress 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 InputThe horn is deactivated Battery voltage
The horn is activated 0 V
45
(O)Ground Horn switch InputThe horn is deactivated Battery voltage
The horn is activated 0 V
46
(BR)Ground Starter relay control InputIgnition
switch ONSelector lever in any posi-
tion other than P or N0 V
Selector lever P or N Battery voltage
48
(Y/R)Ground A/C relay power supply OutputEngine
runningA/C switch OFF 0 V
A/C switch ON
(A/C compressor is oper-
ating)Battery voltage Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
Output +−

MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
MWI-107
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
MB A
O
P
49
(R/B)Ground ECM relay power supply OutputIgnition 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 OutputIgnition switch OFF 0 V
Ignition switch ON Battery voltage
52
(Y/G)Ground Ignition relay power supply OutputIgnition switch OFF 0 V
Ignition switch ON Battery voltage
53
(R/W)Ground ECM relay power supply OutputIgnition 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)GroundThrottle control motor re-
lay power supplyOutputIgnition 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 OutputIgnition switch OFF 0 V
Ignition switch ON Battery voltage
57
(O)Ground Ignition relay power supply OutputIgnition switch OFF 0 V
Ignition switch ON Battery voltage
58
(Y)Ground Ignition relay power supply OutputIgnition switch OFF 0 V
Ignition switch ON Battery voltage
69
(W/B)Ground ECM relay control OutputIgnition 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)GroundThrottle control motor re-
lay controlOutputIgnition switch ON → OFF0 -1.0 V
↓
Battery voltage
↓
0 V
Ignition switch ON 0 - 1.0 V
72
(R/B)Ground Starter relay control InputIgnition
switch ONSelector lever in any posi-
tion other than P or N0 V
Selector lever P or N Battery voltage
74
(Y)Ground Ignition relay power supply OutputIgnition switch OFF 0 V
Ignition switch ON Battery voltage Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
Output +−

MWI-108
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
75
(P/L)Ground Oil pressure switch InputIgnition
switch ONEngine stopped 0 V
Engine running Battery voltage
76
(SB)GroundPower generation com-
mand signalOutputIgnition 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 running0 - 1.5 V
Approximately 1 second or more after
turning the ignition switch ONBattery voltage
80
(B/W)Ground Starter motor Output At engine cranking Battery voltage
83
(Y)Ground Headlamp LO (RH) OutputIgnition
switch ONLighting switch OFF 0 V
Lighting switch 2ND Battery voltage
84
(SB)Ground Headlamp LO (LH) OutputIgnition
switch ONLighting switch OFF 0 V
Lighting switch 2ND Battery voltage
86
(L)Ground Front fog lamp (RH) OutputLighting
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) OutputLighting
switch
2ND Front fog lamp switch
ON
 Daytime running light
activated (Only for Can-
ada)Battery voltage
Front fog lamp switch OFF 0 V Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
Output +−
JPMIA0001GB
JPMIA0002GB
JPMIA0003GB

MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
MWI-109
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
MB A
O
P
88
(P)GroundWasher pump power sup-
plyOutput Ignition switch ON Battery voltage
89
(W)Ground Headlamp HI (RH) OutputIgnition
switch ON Lighting switch HI
 Lighting switch PASSBattery voltage
Lighting switch OFF 0 V
90
(O)Ground Headlamp HI (LH) OutputIgnition
switch ON Lighting switch HI
 Lighting switch PASSBattery voltage
Lighting switch OFF 0 V
91
(O)Ground Parking lamp (RH) OutputIgnition
switch ONLighting switch 1ST Battery voltage
Lighting switch OFF 0 V
92
(L)Ground Parking lamp (LH) OutputIgnition
switch ONLighting switch 1ST Battery voltage
Lighting switch OFF 0 V
93
(BR)GroundHeadlamp aiming motor
(RH)OutputIgnition
switch ONLighting switch 1ST Battery voltage
Lighting switch OFF 0 V
94
(Y)GroundHeadlamp aiming motor
(LH)OutputIgnition
switch ONLighting 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 OutputIgnition switch ON
NOTE:
Changes depending to ambient tem-
perature
101
(GR)GroundRefrigerant pressure sen-
sor groundInputEngine
running Warm-up condition
 Idle speed0 V
102
(R)GroundRefrigerant pressure sen-
sorInputEngine
running Warm-up condition
 Both A/C switch and
blower fan motor switch
ON
(Compressor operates)1.0 - 4.0 V
103
(P)GroundRefrigerant pressure sen-
sor power supplyOutputIgnition switch OFF 0 V
Ignition switch ON 5.0 V
104
(LG)
Ground Hood switch OutputClose the hood Battery voltage
Open the hood 0 V Te r m i n a l N o .
(Wire color)Description
ConditionVa l u e
(Approx.)
Signal nameInput/
Output +−
JSNIA0014GB

MWI-110
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Wiring Diagram - IPDM E/R -
INFOID:0000000003900502
JCMWM1682GB

MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
MWI-111
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
MB A
O
P
JCMWM1683GB

MWI-112
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
JCMWM1684GB

MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
MWI-113
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
MB A
O
P
Fail-safeINFOID:0000000003900503
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
JCMWM1685GB