Nissan Frontier D22. Manual — part 906
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CHARGING SYSTEM
DIAGNOSTIC PROCEDURE 1
Check “L” Terminal Circuit
1.
CHECK “L” TERMINAL CONNECTION
Check to see if “L” terminal is clean and tight.
OK or NG
OK
>> GO TO 2.
NG
>> Repair “L” terminal connection. Confirm repair by performing complete Battery/Starting/Charging
system test.
2.
CHECK “L” TERMINAL CIRCUIT
1.
Disconnect E207 for KA24DE models or A8 for VG33E and VG33ER models connector from generator.
2.
Apply ground to terminal “L” [E207, (Y/B) for KA24DE models or A8, (Y/B) for VG33E and VG33ER mod-
els] with the ignition switch in the ON position.
OK or NG
OK
>> Replace the generator. Confirm repair by performing complete Battery/Starting/Charging system
test.
NG
>> Check the following.
●
10A fuse [No. 11, located in fuse block (J/B)]
●
CHARGE lamp
●
Harness for open or short between combination meter and fuse
●
Harness for open or short between combination meter and generator
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CHARGING SYSTEM
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DIAGNOSTIC PROCEDURE 2
Check “B” Terminal Circuit
1.
CHECK “B” TERMINAL CONNECTION
Check to see if “B” terminal is clean and tight.
OK or NG
OK
>> GO TO 2. Confirm repair by performing complete Battery/Starting/Charging system test.
NG
>> Repair “B” terminal connection.
2.
CHECK GENERATOR “B” TERMINAL CIRCUIT
Check voltage between generator terminal “B” [E208, (W) for KA24DE models or A6, (W) for VG33E and
VG33ER models] and ground using a digital circuit tester.
OK or NG
OK
>> GO TO 3.
NG
>> Check the following.
●
80A fusible link (letter a , located in fuse and fusible link box) for KA24DE models
●
120A fusible link (letter a , located in fuse and fusible link box) for VG33E or VG33ER models
●
Harness for open or short between generator and fusible link
3.
CHECK “B” TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST)
Check voltage between generator terminal “B” [E208, (W) for KA24DE models or A6, (W) for VG33E and
VG33ER models] and battery positive terminal using a digital tester.
OK or NG
OK
>> Replace the generator. Confirm repair by performing complete Battery/Starting/Charging system
test.
NG
>> Check harness between the battery and the generator for poor continuity.
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LSC044
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CHARGING SYSTEM
DIAGNOSTIC PROCEDURE 3
Check “S” Terminal Circuit
1.
CHECK “S” TERMINAL CONNECTION
Check to see if “S” terminal is clean and tight.
OK or NG
OK
>> GO TO 2.
NG
>> Repair “S” terminal connection. Confirm repair by performing complete Battery/Starting/Charging
system test.
2.
CHECK GENERATOR “S” TERMINAL CIRCUIT
Check voltage between generator terminal “S” [E207, (G/B) for KA24DE models or A8, (G/B) for VG33E and
VG33ER models] and ground using a digital circuit tester.
OK or NG
OK
>> GO TO 3.
NG
>> Check the following.
●
7.5A fuse (No. 36, located in fuse and fusible link box)
●
Harness for open or short between generator and fuse
3.
CHECK “S” TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST)
Check voltage between generator terminal “S” [E207, (G/B) for KA24DE models or A8, (G/B) for VG33E and
VG33ER models] and battery positive terminal using a digital tester.
OK or NG
OK
>> Replace the generator. Confirm repair by performing complete Battery/Starting/Charging system
test.
NG
>> Check harness between the battery and the generator for poor continuity.
LSC045
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CHARGING SYSTEM
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MALFUNCTION INDICATOR
The IC regulator warning function activates to illuminate “CHARGE” warning lamp, if any of the following
symptoms occur while generator is operating:
●
Excessive voltage is produced.
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No voltage is produced.
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