INFINITI QX4 2005 Factory Service Manual

PG-26
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: October 20052005 QX56
IPDM E/R Power/Ground Circuit InspectionEKS00BN9
1. FUSE AND FUSIBLE LINK INSPECTION
Check that the following fusible links or IPDM E/R fuses are not blown.
OK or NG
OK >> GO TO 2.
NG >> Replace fuse or fusible link.
2. POWER CIRCUIT INSPECTION
1. Disconnect IPDM E/R harness connector E118.
2. Check voltage between IPDM E/R harness connector E118 terminals 1 (B/Y), 2 (R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace IPDM E/R power circuit harness.
3. GROUND CIRCUIT INSPECTION
1. Disconnect IPDM E/R harness connectors E122 and E124.
2. Check continuity between IPDM E/R harness connector E122
terminal 38 (B), and E124 terminal 59 (B) and ground.
OK or NG
OK >> Inspection End.
NG >> Repair or replace ground circuit harness of IPDM E/R.
Terminal No. Signal name Fuse, fusible link No.
1, 2, 22 Battery power a, c, d, e, l
Battery voltage should exist.
SKIA1987E
Continuity should exist.
WKIA1453E

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-27
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: October 20052005 QX56
Inspection with CONSULT-II (Self-Diagnosis)EKS00BNA
CAUTION:
If a CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on which control unit(s) carry out CAN communication.
1. SELF-DIAGNOSIS RESULT CHECK
1. Connect CONSULT-II and select "IPDM E/R" on the Diagnosis System Selection screen.
2. Select "SELF-DIAG RESULTS" on the diagnosis mode selection screen.
3. Check display content in self-diagnosis results.
NOTE:
The Details for Display for the Period are as follows:

CRNT: Error currently detected by IPDM E/R.

PAST: Error detected in the past and stored in IPDM E/R memory.
Contents displayed
NO DTC DETECTED. FURTHER TESTING MAY BE REQUIRED.>>Inspection End.
CAN COMM CIRC>>Print out the self-diagnosis result and refer to LAN-5, "
CAN COMMUNICATION" .
CONSULT-II DisplayCONSULT-II
display codeTIME
Details of diagnosis result
CRNT PAST
NO DTC IS DETECTED.
FURTHER TESTING MAY BE REQUIRED.— — — No malfunction
CAN COMM CIRC U1000 X XAny of items listed below have errors:

TRANSMIT DIAG

ECM

BCM/SEC

PG-28
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: October 20052005 QX56
Removal and Installation of IPDM E/REKS00BNB
REMOVAL
1. Disconnect negative battery cable.
2. Remove IPDM E/R upper cover.
3. Release 2 clips and pull IPDM E/R up from case.
4. Disconnect IPDM E/R connectors and remove the IPDM E/R.
INSTALLATION
Installation is in the reverse order of removal.
WKIA1454E
WKIA1696E

GROUND CIRCUIT
PG-29
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: October 20052005 QX56
GROUND CIRCUITPFP:24080
Ground DistributionEKS00BNC
MAIN HARNESS
WKIA5120E

PG-30
GROUND CIRCUIT
Revision: October 20052005 QX56
WKIA3620E

GROUND CIRCUIT
PG-31
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: October 20052005 QX56
WKIA3621E

PG-32
GROUND CIRCUIT
Revision: October 20052005 QX56
ENGINE ROOM HARNESS
WKIA3622E

GROUND CIRCUIT
PG-33
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: October 20052005 QX56
WKIA3623E

PG-34
GROUND CIRCUIT
Revision: October 20052005 QX56
WKIA3624E

GROUND CIRCUIT
PG-35
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: October 20052005 QX56
ENGINE CONTROL HARNESS
WKIA5121E