2007 INFINITI QX56 Factory Service Manual

navigation system alternator brake sensor fuel pump ad blue reset

Page 2425 of 3061

INFINITI QX56 2007 Factory Service Manual IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-23
< SERVICE INFORMATION >
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PG
N
O
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12 L/WIgnition switch sup-
plied powerInput —OFF or ACC 0V
ON or START Batt

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-23
< SERVICE INFORMATION >
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PG
N
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12 L/WIgnition switch sup-
plied powerInput —OFF or ACC 0V
ON or START Battery voltage
13 B/Y Fuel pump relay Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
14 Y/R Fuse 49 Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
15 LG/B Fuse 50 Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
16 G Fuse 51 Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
17 W Fuse 55 Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
19 W/R Starter motor Output START — Battery voltage
21 BRIgnition switch sup-
plied powerInput —OFF or ACC 0V
START Battery voltage
22 G Battery power supply Output OFF — Battery voltage
23 GR/WDoor mirror defogger
output signalOutput —When rear defogger switch is
ONBattery voltage
When rear defogger switch is
OFF0V
24 L/B Cooling fan relay Output —Conditions correct for cooling
fan operationBattery voltage
Conditions not correct for
cooling fan operation0V
26 P/LHeadlamp aiming mo-
torsOutput —Lighting
switch 2nd
position, or
AUTO, head-
lamp aiming
switch in po-
sitionOFF Battery voltage
ON 0V
27 W/B Fuse 38 Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
30 W Fuse 53 Output —Ignition switch ON or START Battery voltage
Ignition switch OFF or ACC 0V
32 LWiper low speed sig-
nalOutputON or
STARTWiper switchOFF Battery voltage
LO or INT 0V
35 L/BWiper high speed sig-
nalOutputON or
STARTWiper switchOFF, LO, INT Battery voltage
HI 0V
38 B Ground Input — — 0V
39 L CAN-L — ON — —
40 P CAN-H — ON — —
41 Y/B Hood switch Input —Hood closed OFF 0V
Hood open ON Battery voltage Te r m i n a lWire
colorSignal nameSignal
input/
outputMeasuring condition
Reference value
(Approx.) Igni-
tion
switchOperation or condition

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INFINITI QX56 2007 Factory Service Manual PG-24
< SERVICE INFORMATION >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
43 L/Y Wiper auto stop signal InputON or
STARTWiper switch OFF, LO, INT Battery voltage
44 BRDaytime light r

PG-24
< SERVICE INFORMATION >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
43 L/Y Wiper auto stop signal InputON or
STARTWiper switch OFF, LO, INT Battery voltage
44 BRDaytime light relay
controlInput ONDaytime light system active 0V
Daytime light system inactive Battery voltage
45 G/W Horn relay control Input ONWhen door locks are operated
using key fob (OFF → ON)*1Battery voltage → 0V
46 GRFuel pump relay con-
trolInput —Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
47 OThrottle control motor
relay controlInput —Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
48 B/RStarter relay (inhibit
switch)InputON or
STARTSelector lever in "P" or "N" 0V
Selector lever any other posi-
tionBattery voltage
49 R/L Trailer tow relay Output ONLighting
switch must
be in the 1st
positionOFF 0V
ON Battery voltage
50 W/R Front fog lamp (LH) OutputON or
STARTLighting
switch must
be in the 2nd
position
(LOW beam
is ON) and
the front fog
lamp switchOFF 0V
ON Battery voltage
51 W/R Front fog lamp (RH) OutputON or
STARTLighting
switch must
be in the 2nd
position
(LOW beam
is ON) and
the front fog
lamp switchOFF 0V
ON Battery voltage
52 LLH low beam head-
lampOutput — Lighting switch in 2nd position Battery voltage
54 R/YRH low beam head-
lampOutput — Lighting switch in 2nd position Battery voltage
55 GLH high beam head-
lampOutput —Lighting switch in 2nd position
and placed in HIGH or PASS
positionBattery voltage
56L/W*2
Y*3LH high beam head-
lampOutput —Lighting switch in 2nd position
and placed in HIGH or PASS
positionBattery voltage
57 R/LParking, license, and
tail lampOutput ONLighting
switch 1st po-
sitionOFF 0V
ON Battery voltage
59 B Ground Input — — 0V
60 B/WRear window defog-
ger relayOutputON or
STARTRear defogger switch ON Battery voltage
Rear defogger switch OFF 0V Te r m i n a lWire
colorSignal nameSignal
input/
outputMeasuring condition
Reference value
(Approx.) Igni-
tion
switchOperation or condition

Page 2427 of 3061

INFINITI QX56 2007 Factory Service Manual IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-25
< SERVICE INFORMATION >
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PG
N
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*1: When horn reminder is ON
*2: L/W is for U.S.A.
*3: Y is for Canada61 BR F

Page 2428 of 3061

INFINITI QX56 2007 Factory Service Manual PG-26
< SERVICE INFORMATION >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R Terminal Arrangement
INFOID:0000000003533841
IPDM E/R Power/Ground Circuit InspectionINFOID:00000000

Page 2429 of 3061

INFINITI QX56 2007 Factory Service Manual IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-27
< SERVICE INFORMATION >
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PG
N
O
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OK or NG
OK >> GO TO 2.
NG >> Replace fuse or fusible link.
2.POWER CIRCUIT I

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INFINITI QX56 2007 Factory Service Manual PG-28
< SERVICE INFORMATION >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
• PAST: Error detected in the past and stored in IPDM E/R memory.
Contents displayed
NO DTC DETECTED. FURTH

Page 2431 of 3061

INFINITI QX56 2007 Factory Service Manual GROUND CIRCUIT
PG-29
< SERVICE INFORMATION >
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PG
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GROUND CIRCUIT
Ground DistributionINFOID:0000000003533845
Main Harness
WKIA4657E

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INFINITI QX56 2007 Factory Service Manual PG-30
< SERVICE INFORMATION >
GROUND CIRCUIT
WKIA4658E

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