Nissan Altima L32. Instruction — part 185
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< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSION-
ER"
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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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
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 Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
Necessary for Steering Wheel Rotation After Battery Disconnect
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NOTE:
• Before removing and installing any control units, first turn the push-button ignition switch to the LOCK posi-
tion, then disconnect both battery cables.
• After finishing work, confirm that all control unit connectors are connected properly, then re-connect both
battery cables.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If a DTC is detected, perform trouble diagnosis according to self-diagnosis results.
This vehicle is equipped with a push-button ignition switch and a steering lock unit.
If the battery is disconnected or discharged, the steering wheel will lock and cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, follow the procedure
below before starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Carry the Intelligent Key or insert it to the key slot and turn the push-button ignition switch to ACC position.
(At this time, the steering lock will be released.)
3. Disconnect both battery cables. The steering lock will remain released with both battery cables discon-
nected and the steering wheel can be turned.
4. Perform the necessary repair operation.
5. When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the push-button ignition switch from ACC position to ON position, then to LOCK position. (The steering
wheel will lock when the push-button ignition switch is turned to LOCK position.)
6. Perform self-diagnosis check of all control units using CONSULT-III.
Precaution for Power Generation Voltage Variable Control System
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CAUTION:
For this model, the battery current sensor that is installed to the battery cable at the negative terminal
measures the charging/discharging current of the battery, and performs various controls. If the electri-
cal component or the ground wire is connected directly to the battery terminal, the current other than
that being measured with the battery current sensor is charging to or discharging from the battery.
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PRECAUTIONS
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< PRECAUTION >
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This condition causes the malfunction of the control, and then the battery discharge may occur. Do
not connect the electrical component or the ground wire directly to the battery terminal.
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< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
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The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tool
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Tool number
(Kent-Moore No.)
Tool name
Description
—
(J-48087)
Battery Service Center
Tests battery.
For operating instructions, refer to Technical
Service Bulletin and Battery Service Center
User Guide.
—
(J-44373) Model 620
Starting/Charging system tester
Tests starting and charging systems.
For operating instructions, refer to Technical
Service Bulletin.
WKIA5280E
SEL403X
Tool name
Description
Power tool
Loosening bolts and nuts
PBIC0190E
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GENERATOR
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< ON-VEHICLE REPAIR >
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ON-VEHICLE REPAIR
GENERATOR
Removal and Installation
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QR25DE
Removal
1. Disconnect the battery negative terminal. Refer to
PG-68, "Removal and Installation"
(Coupe models) or
PG-139, "Removal and Installation"
2. Remove engine side undercover using power tools.
3. Remove drive belt. Refer to
EM-16, "Removal and Installation"
.
4. Remove “B” terminal nut.
5. Remove air intake duct. Refer to
EM-25, "Removal and Installation"
6. Disconnect generator harness connectors.
7. Remove generator ground harness bolt.
8. Remove generator bolts, using power tools.
9. Remove generator assembly upward.
Installation
Installation is in the reverse order of removal.
CAUTION:
Be sure to tighten “B” terminal nut carefully.
• Install generator and check tension of belt. Refer to
MA-14, "DRIVE BELTS : Checking Drive Belts"
• For this model, the power generation voltage variable control system that controls the power generation volt-
age of the generator has been adopted. Therefore, the power generation voltage variable control system
AWMIA0979GB
1.-2. Tightening order
3.
Generator
4.
B terminal nut
5.
Generator bracket bolts
6.
Generator bracket
Front
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