Infiniti M35/M45 Y50. Manual — part 1047
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CHARGING SYSTEM
SC-23
C
D
E
F
G
H
I
J
L
M
A
B
SC
VQ35DE ENGINE MODELS (AWD)
TKWT5248E
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SC-24
CHARGING SYSTEM
VK45DE ENGINE MODELS
TKWT5249E
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CHARGING SYSTEM
SC-25
C
D
E
F
G
H
I
J
L
M
A
B
SC
Trouble Diagnosis with Starting/Charging System Tester (Charging)
NKS005BZ
For charging system testing, use Starting/Charging System Tester (J-44373). For details and operating
instructions, refer to Technical Service Bulletin.
SKIB0527E
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SC-26
CHARGING SYSTEM
PRELIMINARY INSPECTION
1.
CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals is clean and tight.
OK or NG
OK
>> GO TO 2.
NG
>> Repair battery terminals connection.
2.
CHECK FUSE AND FUSIBLE LINK
Check for blown fuse and fusible link.
OK or NG
OK
>> GO TO 3.
NG
>> If fuse is blown, 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.
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 the following.
●
VQ35DE:
EM-17, "Removal and Installation"
●
EM-174, "Removal and Installation"
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.
*1
SC-26, "Check “L” Terminal Circuit
(Open)"
*2
SC-27, "Check “L” Terminal Circuit
(Short)"
*3
SC-27, "Check “S” Terminal Circuit"
*4
SC-28, "Check “B” Terminal Circuit"
*5
SC-32, "Alternator Pulley Inspec-
tion"
(VQ35DE)
SC-34, "Alternator Pulley Inspec-
tion"
(VK45DE)
Unit
Power source (Power supply terminals)
Fuse and fusible link No.
Alternator
Battery (“S” terminal)
36
Combination meter
Ignition switch ON (“L” terminal)
14
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