Infiniti FX35 / FX45. Manual — part 908
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< SERVICE INFORMATION >
CHARGING SYSTEM
Wiring Diagram - CHARGE -
INFOID:0000000001328255
VK45DE ENGINE MODELS
TKWM4287E
CHARGING SYSTEM
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< SERVICE INFORMATION >
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VQ35DE ENGINE MODELS
Trouble Diagnosis with Starting/Charging System Tester (Charging)
INFOID:0000000001328256
For charging system testing, use Starting/Charging System Tester (J-44373). For details and operating
instructions, refer to Technical Service Bulletin.
TKWM4288E
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< SERVICE INFORMATION >
CHARGING SYSTEM
PRELIMINARY INSPECTION
1.
CHECK BATTERY TERMINALS CONNECTION
*1
Refer to "Check “L” Terminal Circuit
(Open)".
*2
Refer to "Check “L” Terminal Circuit
(Short)".
*3
Refer to "Check “S” Terminal Circuit".
*4
Refer to "Check “B” Terminal Circuit". *5
SC-25, "Removal and Installation
(VK45DE Engine Mod-
els)"
(VK45DE)
SC-27, "Removal and Installation
(VQ35DE Engine Mod-
els)"
(VQ35DE)
SKIB0527E
CHARGING SYSTEM
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< SERVICE INFORMATION >
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Check if battery terminals are clean and tight.
OK or NG
OK
>> GO TO 2.
NG
>> Repair battery terminals connection.
2.
CHECK FUSE AND FUSIBLE LINK
Check for blown alternator and combination meter fuses.
OK or NG
OK
>> GO TO 3.
NG
>> If fuse is blown, be sure eliminate cause of malfunction before installing new fuse.
3.
CHECK “E” TERMINAL CONNECTION
Check if “E” terminal (alternator ground harness) is clean and tight.
OK or NG
OK
>> GO TO 4.
NG
>> Repair “E” terminal connection.
4.
CHECK ALTERNATOR DRIVE BELT TENSION
Check alternator drive belt tension. Refer to
EM-170, "Checking Drive Belts"
(VQ35DE).
OK or NG
OK
>> INSPECTION END
NG
>> Repair as needed.
DIAGNOSTIC PROCEDURE 1
Check “L” Terminal Circuit (Open)
1.
CHECK “L” TERMINAL CONNECTION
1.
Turn ignition switch OFF.
2.
Check if “L” terminal is clean and tight.
OK or NG
OK
>> GO TO 2.
NG
>> Repair “L” terminal connection. Confirm repair by performing complete Starting/Charging system
test. Refer to Technical Service Bulletin.
2.
CHECK “L” TERMINAL CIRCUIT (OPEN)
1.
Disconnect alternator connector.
2.
Apply ground to alternator harness connector E311 (VK45DE) or
F26 (VQ35DE) terminal 3 with the ignition switch in the ON posi-
tion.
OK or NG
OK
SC-21, "Trouble Diagnosis with Starting/Charging
NG
>>
Check the following.
• Charge warning lamp (Combination meter)
• Harness for open between combination meter and
fuse
• Harness for open between combination meter and alternator
DIAGNOSTIC PROCEDURE 2
Unit
Power source (Power supply terminals)
Fuse No.
Alternator
Battery (“S” terminal)
33
Combination meter
Ignition switch ON (“L” terminal)
14
3 – Ground
: Charge warning lamp should light up.
SKIB8493E
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