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CHG-36
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CHARGING SYSTEM
FUNCTION DIAGNOSIS
CHARGING SYSTEM
System DiagramINFOID:0000000001724501
System DescriptionINFOID:0000000001724502
The generator provides DC voltage to operate the vehicle's electrical system and to keep the battery charged.
The voltage output is controlled by the IC regulator.
Component DescriptionINFOID:0000000001724503
ALMIA0327GB
Component part Description
GeneratorTerminal “1” Refer to CHG-38, "
Description".
Terminal “2” Refer to CHG-40, "
Description".
Terminal “3” Monitors charge voltage.
Combination meter (Charge warning lamp)The IC regulator warning function activates to illuminate the
charge warning lamp if any of the following symptoms occur while
generator is operating:
Excessive voltage is produced.
No voltage is produced.
IPDM E/R Supplies charge voltage to terminal "3" of generator.
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![NISSAN TIIDA 2007 Service Repair Manual CHG
CHARGING SYSTEM PRELIMINARY INSPECTION
CHG-37
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CHARGING SYSTEM PRELIMINARY INSPECTION
Inspection ProcedureINFOID:00000 NISSAN TIIDA 2007 Service Repair Manual CHG
CHARGING SYSTEM PRELIMINARY INSPECTION
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CHARGING SYSTEM PRELIMINARY INSPECTION
Inspection ProcedureINFOID:00000](/manual-img/5/57395/w960_57395-457.png)
CHG
CHARGING SYSTEM PRELIMINARY INSPECTION
CHG-37
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CHARGING SYSTEM PRELIMINARY INSPECTION
Inspection ProcedureINFOID:0000000001724507
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 or fusible link.
3.CHECK GENERATOR CASE GROUND
Verify generator case ground is clean and tight.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair connection.
4.CHECK DRIVE BELT TENSION
Check drive belt tension. Refer to XX-XX, "*****"
.
Is the inspection result normal?
YES >> Inspection end.
NO >> Repair as needed.
Unit Power supply terminals Power source
GeneratorBattery (terminal 3) IPDM E/R
Battery (terminal 1) Fusible Link A
Combination meter Ignition switch ON (terminal 2) Fuse 14
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![NISSAN TIIDA 2007 Service Repair Manual CHG-38
< COMPONENT DIAGNOSIS >[K9K]
B TERMINAL CIRCUIT
B TERMINAL CIRCUIT
DescriptionINFOID:0000000001724509
The terminal “1” (B) circuit supplies power to charge the battery and operate the vehic NISSAN TIIDA 2007 Service Repair Manual CHG-38
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B TERMINAL CIRCUIT
B TERMINAL CIRCUIT
DescriptionINFOID:0000000001724509
The terminal “1” (B) circuit supplies power to charge the battery and operate the vehic](/manual-img/5/57395/w960_57395-458.png)
CHG-38
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B TERMINAL CIRCUIT
B TERMINAL CIRCUIT
DescriptionINFOID:0000000001724509
The terminal “1” (B) circuit supplies power to charge the battery and operate the vehicles electrical system.
Diagnosis ProcedureINFOID:0000000001724510
1.CHECK TERMINAL “1” CONNECTION
1. Turn ignition switch OFF.
2. Verify terminal “1” is clean and tight.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair terminal “1” connection. Confirm repair by performing complete Starting/Charging system
test. Refer to Technical Service Bulletin.
2.CHECK TERMINAL “1” CIRCUIT
Check voltage between generator connector F2 terminal 1 and
ground.
Is voltage reading as specified?
YES >> GO TO 3.
NO >> Check harness for open between generator and fusible
link.
3.CHECK TERMINAL “1” CONNECTION (VOLTAGE DROP TEST)
1. Start engine, then engine running at idle and warm.
2. Check voltage between battery positive terminal and generator
connector F2 terminal 1.
Is the voltage reading as specified?
YES >> Terminal “1” circuit is normal. Refer to CHG-33, "Work
Flow".
NO >> Check harness between battery and generator for high resistance.
(+)
(-) Voltage
Connector Terminal
F2 1 Ground Battery voltage
ALMIA0197ZZ
(+)
(-) Voltage
Connector Terminal
F2 1 Battery positive terminal Less than 0.2V
ALMIA0198ZZ
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L TERMINAL CIRCUIT
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The terminal “2” (L) circuit controls the charge warn NISSAN TIIDA 2007 Service Repair Manual CHG
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The terminal “2” (L) circuit controls the charge warn](/manual-img/5/57395/w960_57395-459.png)
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L TERMINAL CIRCUIT
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DescriptionINFOID:0000000001724511
The terminal “2” (L) circuit controls the charge warning lamp. The charge warning lamp illuminates when the
ignition switch is set to ON or START. When the generator is providing sufficient voltage with the engine run-
ning, the charge warning lamp will go off. If the charge warning lamp illuminates with the engine running, a
malfunction is indicated.
Diagnosis ProcedureINFOID:0000000001724512
1.CHECK CHARGE WARNING LAMP CIRCUIT CONNECTION
Verify generator connector F1 terminal 2 is clean and tight.
Is the connection secure?
YES >> GO TO 2
NO >> Repair the connection. Confirm repair by performing complete Starting/Charging system test.
Refer to Technical Service Bulletin.
2.CHECK CHARGE WARNING LAMP CIRCUIT
1. Disconnect generator connector F1.
2. Apply ground to generator harness connector F1 terminal 2 with
the ignition switch in the ON position.
Does the charge lamp illuminate?
YES >> Check generator function. Refer to CHG-33, "Work
Flow".
NO >> GO TO 3
3.CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect the generator connector F1 and combination meter
connector M24.
3. Check continuity between generator harness connector F1 ter-
minal 2 and combination meter harness connector M24 terminal
38.
4. Check continuity between generator harness connector F1 ter-
minal 2 and ground.
Are the continuity results as specified?
YES >> Replace the combination meter. Refer to XX-XX, "*****".
NO >> Repair the harness or connector.Charge lamp should illuminate
ALMIA0328GB
Terminal Terminal
Continuity
Connector Terminal Connector Terminal
F1 2 M24 38 Yes
Te r , m i n a l
—
Continuity
Connector Terminal
F1 2 Ground No
ALMIA0329GB
Page 461 of 5883
![NISSAN TIIDA 2007 Service Repair Manual CHG-40
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S TERMINAL CIRCUIT
S TERMINAL CIRCUIT
DescriptionINFOID:0000000001724513
The output voltage of the generator is controlled by the IC regulator at terminal “3” ( NISSAN TIIDA 2007 Service Repair Manual CHG-40
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S TERMINAL CIRCUIT
S TERMINAL CIRCUIT
DescriptionINFOID:0000000001724513
The output voltage of the generator is controlled by the IC regulator at terminal “3” (](/manual-img/5/57395/w960_57395-460.png)
CHG-40
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S TERMINAL CIRCUIT
S TERMINAL CIRCUIT
DescriptionINFOID:0000000001724513
The output voltage of the generator is controlled by the IC regulator at terminal “3” (S) detecting the input volt-
age. Terminal “3” circuit detects the battery voltage to adjust the generator output voltage with the IC regulator.
Diagnosis ProcedureINFOID:0000000001724514
1.CHECK VOLTAGE REGULATOR CIRCUIT CONNECTION
Check to see if connector F1 terminal 3 is clean and tight.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair terminal connection. Confirm repair by performing complete Starting/Charging system test.
Refer to Technical Service Bulletin.
2.CHECK VOLTAGE REGULATOR CIRCUIT
1. Disconnect generator harness connector F1.
2. Turn ignition switch ON.
3. Check voltage between generator harness connector F1 termi-
nal 3 and ground.
Does battery voltage exist?
YES >> Refer to CHG-33, "Work Flow".
NO >> Check harness for open between generator and fuse.3 - ground Battery voltage
ALMIA0330GB
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CHG
CHARGING SYSTEM
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Wiring DiagramINFOID:0000000001724515
AWMWA0023GB
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CHG-42
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CHARGING SYSTEM
SYMPTOM DIAGNOSIS
CHARGING SYSTEM
Symptom TableINFOID:0000000001724516
Symptom Reference
Battery discharged
Refer to CHG-33, "
Work Flow". The charge warning lamp does not illuminate when the ignition
switch is set to ON.
The charge warning lamp does not turn OFF after the engine
starts.
The charging warning lamp turns ON when increasing the engine
speed.
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GENERATOR
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REMOVAL
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REMOVAL
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GENERATOR
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GENERATOR
Removal and InstallationINFOID:0000000001689502
REMOVAL
1. Disconnect the battery cable from the negative terminal.
2. Remove RH fender protector partially.
3. Remove fuel injection pipe protector.
4. Remove drive belt. Refer to EM-263, "
Removal and Installation".
5. Disconnect generator connector.
6. Remove “B” terminal nut and “B” terminal harness.
7. Remove upper generator bolt.
8. Release lower generator bolt, then push it aside.
9. Remove generator with lower bolt.
NOTE:
Pull generator to the front side from upside. Turn, then pull lower side of generator with lower bolt.
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 EM-263, "
Inspection and Adjustment".
1. Generator connector 2. Generator bolt 3. Generator
4. “B” terminal harness 5. “B” terminal nut
JPMIA0263GB