Nissan Sentra. Manual — part 669
PCS
POWER SUPPLY AND GROUND CIRCUIT
PCS-29
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R (WITH I-KEY)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000009755826
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE AND FUSIBLE LINKS
Check that the following IPDM E/R fusible links are not blown.
Is the fusible link blown?
YES
>> Replace the blown fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Disconnect IPDM E/R connector E42 and E44.
2. Check voltage between IPDM E/R connector E42 and E44 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connectors.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector E47 and E48.
3. Check continuity between IPDM E/R connector E47 and E48 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connectors.
Terminal No.
Signal name
Fusible link Nos.
1
Battery
E (80A)
2
B (60A)
24
J (40A/50A)
IPDM E/R
Ground
Voltage
Connector
Terminal
E42
1
—
Battery voltage
2
E44
24
IPDM E/R
Ground
Continuity
Connector
Terminal
E47
52
—
Yes
E48
57
PCS-30
< REMOVAL AND INSTALLATION >
[IPDM E/R (WITH I-KEY)]
IPDM E/R
REMOVAL AND INSTALLATION
IPDM E/R
Exploded View
INFOID:0000000009755827
Removal and Installation
INFOID:0000000009755828
CAUTION:
IPDM E/R integrated relays are not serviceable and must not be removed from unit.
REMOVAL
1. Remove inlet air duct (upper). Refer to
EM-25, "Removal and Installation"
.
2. Remove battery. Refer to
PG-50, "Removal and Installation (Battery)"
.
3. Release pawls (A) on IPDM E/R cover and remove IPDM E/R
(1) from IPDM E/R cover B (2).
4. Disconnect harness connector and then remove IPDM E/R.
5. Remove engine room harness from IPDM E/R cover B.
1. IPDM E/R
2. IPDM E/R cover A
3. IPDM E/R cover B
JMMIA0882ZZ
JMMIA0883ZZ
PCS
IPDM E/R
PCS-31
< REMOVAL AND INSTALLATION >
[IPDM E/R (WITH I-KEY)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
6. Remove IPDM E/R cover B nuts (A).
7. Insert a suitable tool (A) between IPDM E/R cover A (1) and
IPDM E/R cover B (2), disengage pawls, and remove IPDM E/R
cover A.
8. Remove IPDM E/R cover B.
INSTALLATION
Installation is in the reverse order of removal.
JMMIA0884ZZ
JMMIA0461ZZ
PCS-32
< PRECAUTION >
[IPDM E/R (WITHOUT I-KEY)]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009755829
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery and wait at least three minutes before performing any service.
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