Nissan Pathfinder (2009 year). Manual — part 135
CHG-10
< COMPONENT DIAGNOSIS >
POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM OPERATION
INSPECTION
1.
Turn ignition switch OFF.
2.
Disconnect generator connector E205 and IPDM E/R connector
E122.
3.
Check continuity between generator harness connector E205
(A) terminal 4 and IPDM E/R harness connector E122 (B) termi-
nal 37.
4.
Check continuity between generator harness connector E122
(A) terminal 4 and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-33, "Removal and Installation of IPDM E/R"
.
NO
>> Repair harness or connector between IPDM E/R and generator.
A
B
Continuity
Connector
Terminal
Connector
Terminal
E205
4
E122
37
Yes
A
—
Continuity
Connector
Terminal
E205
4
Ground
No
ALMIA0196ZZ
2009 Pathfinder
CHG
B TERMINAL CIRCUIT
CHG-11
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B TERMINAL CIRCUIT
Description
INFOID:0000000003939684
The terminal “1” (B) circuit supplies power to charge the battery and operate the vehicles electrical system.
Diagnosis Procedure
INFOID:0000000003939685
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 diagnostic station instruction manual.
2.
CHECK TERMINAL “1” CIRCUIT
Check voltage between generator connector E206 terminal 1 and
ground.
Is the inspection result normal?
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 E206 terminal 1.
Is the inspection result normal?
YES
>> Terminal “1” circuit is normal. Refer to
NO
>> Check harness between battery and generator for high resistance.
(+)
(-)
Voltage
Connector
Terminal
E206
1
Ground
Battery voltage
ALMIA0197ZZ
(+)
(-)
Voltage
Connector
Terminal
E206
1
Battery positive terminal
Less than 0.2V
ALMIA0198ZZ
2009 Pathfinder
CHG-12
< COMPONENT DIAGNOSIS >
L TERMINAL CIRCUIT
L TERMINAL CIRCUIT
Description
INFOID:0000000003939686
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 Procedure
INFOID:0000000003939687
1.
CHECK CHARGE WARNING LAMP CIRCUIT CONNECTION
Verify generator connector E205 terminal 2 is clean and tight.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair the connection. Confirm repair by performing complete Starting/Charging system test.
Refer to diagnostic station instruction manual.
2.
CHECK CHARGE WARNING LAMP CIRCUIT
1.
Disconnect generator connector E205.
2.
Apply ground to generator harness connector E205 terminal 2
with the ignition switch in the ON position.
Is the inspection result normal?
YES
>> Check generator function. Refer to
.
NO
>> GO TO 3
3.
CHECK HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect the generator connector E205 and combination meter connector M23.
3.
Check continuity between generator harness connector E205 terminal 2 and combination meter harness
connector M24 terminal 2.
4.
Check continuity between generator harness connector E205 terminal 2 and ground.
Is the inspection result normal?
YES
>> Replace the combination meter. Refer to
MWI-94, "Removal and Installation"
NO
>> Repair the harness or connector.
Charge lamp should illuminate
ALMIA0200ZZ
Terminal
Terminal
Continuity
Connector
Terminal
Connector
Terminal
E205
2
M24
2
Yes
Terminal
—
Continuity
Connector
Terminal
E205
2
Ground
No
2009 Pathfinder
CHG
S TERMINAL CIRCUIT
CHG-13
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
S TERMINAL CIRCUIT
Description
INFOID:0000000003939688
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 Procedure
INFOID:0000000003939689
1.
CHECK VOLTAGE REGULATOR CIRCUIT CONNECTION
Check to see if connector E205 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 diagnostic station instruction manual.
2.
CHECK VOLTAGE REGULATOR CIRCUIT
Check voltage between generator harness connector E205 terminal
3 and ground.
Is the inspection result normal?
YES
>> Refer to
.
NO
>> Check harness for open between generator and fuse.
3 - ground
Battery voltage
ALMIA0201ZZ
2009 Pathfinder
CHG-14
< COMPONENT DIAGNOSIS >
CHARGING SYSTEM
CHARGING SYSTEM
Wiring Diagram
INFOID:0000000003939690
ABMWA0006GB
2009 Pathfinder
CHG
CHARGING SYSTEM
CHG-15
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ABMIA0009GB
2009 Pathfinder
CHG-16
< COMPONENT DIAGNOSIS >
CHARGING SYSTEM
ABMIA0010GB
2009 Pathfinder
CHG
CHARGING SYSTEM
CHG-17
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ABMIA0011GB
2009 Pathfinder
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