Infiniti G35 (V35) Sedan. Manual — part 305
CHG
PRECAUTIONS
CHG-19
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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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 SRS 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 SRS 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.
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.
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.
CHG-20
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
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Commercial Service Tool
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Tool number
(Kent-Moore No.)
Tool name
Description
—
(J-44373 Model MCR620)
Starting/Charging System Tester
Tests starting and charging systems.
For operating instructions, refer to Technical
Service Bulletin.
SEL403X
Tool name
Description
Power tool
Loosening bolts, nuts and screws
PIIB1407E
CHG
CHARGING SYSTEM PRELIMINARY INSPECTION
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< ON-VEHICLE MAINTENANCE >
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ON-VEHICLE MAINTENANCE
CHARGING SYSTEM PRELIMINARY INSPECTION
Inspection Procedure
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1.
CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals are clean and tight.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair battery terminals connection.
2.
CHECK FUSE
Check for blown fuse and fusible link.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
3.
CHECK “E” TERMINAL CONNECTION
Check if “E” terminal (alternator ground harness) is clean and tight.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair “E” terminal connection.
4.
CHECK DRIVE BELT TENSION
Check drive belt tension. Refer to
.
Is the inspection result normal?
YES
>> Inspection end.
NO
>> Repair as needed.
Unit
Power source (Power supply terminals)
Fuse No.
Alternator
Battery (“S” terminal)
32
Combination meter
Ignition switch ON (“L” terminal)
4
CHG-22
< ON-VEHICLE MAINTENANCE >
POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM OPERATION
INSPECTION
POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM OPER-
ATION INSPECTION
Inspection Procedure
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CAUTION:
When performing this inspection, always use a charged battery that has completed the battery inspec-
tion. (When the charging rate of the battery is low, the response speed of the voltage change will
become slow. This can cause an incorrect inspection.)
1.
CHECK ECM (CONSULT-III)
Perform ECM self-diagnosis with CONSULT-III. Refer to
EC-113, "CONSULT-III Function"
.
Self-diagnostic results content
No malfunction detected>> GO TO 2.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.
2.
CHECK OPERATION OF POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
1.
Connect CONSULT-III and start the engine.
2.
The selector lever is in “P” or “N” position and all of the electric loads and A/C, etc. are turned OFF.
3.
Select “ALTERNATOR DUTY” at “Active Test” of “ENGINE”, and then check the value of “BATTERY
VOLT” monitor when DUTY value of “ALTERNATOR DUTY” is set to 40.0 %.
4.
Check the value of “BATTERY VOLT” monitor when DUTY value of “ALTERNATOR DUTY” is set to
80.0%.
Is the measurement value within the specification?
YES
>> Inspection end.
NO
>> GO TO 3.
3.
CHECK IPDM E/R (CONSULT-III)
Perform IPDM E/R self-diagnosis with CONSULT-III. Refer to
PCS-12, "CONSULT - III Function (IPDM E/R)"
.
Self-diagnostic results content
No malfunction detected>> GO TO 4.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.
4.
CHECK HARNESS BETWEEN ALTERNATOR AND IPDM E/R
1.
Turn ignition switch OFF.
2.
Disconnect alternator connector and IPDM E/R connector.
3.
Check continuity between alternator harness connector and IPDM E/R harness connector.
4.
Check continuity between alternator harness connector and ground.
“BATTERY VOLT”
2 seconds after setting the
DUTY value of “ALTERNA-
TOR DUTY” to 40.0 %
: 12 - 13.6 V
“BATTERY VOLT”
20 seconds after setting
the DUTY value of “ALTER-
NATOR DUTY” to 80.0 %
: +0.5 V or more against
the value of “BATTERY
VOLT” monitor when
DUTY value is 40.0 %
Alternator harness connector
IPDM E/R harness connector
Continuity
Connector
Terminal
Connector
Terminal
F36
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E7
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Existed
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