Nissan Quest E52. Instruction — part 281
CHG
L TERMINAL CIRCUIT (SHORT)
CHG-27
< DTC/CIRCUIT DIAGNOSIS >
C
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L
B
A
O
P
N
L TERMINAL CIRCUIT (SHORT)
Description
INFOID:0000000009650430
The “L” terminal circuit controls the charge warning lamp. The charge warning lamp illuminates when the igni-
tion switch is set to ON or START. When the alternator is providing sufficient voltage with the engine running,
the charge warning lamp will go off. If the charge warning lamp illuminates with the engine running, a malfunc-
tion is indicated.
Diagnosis Procedure
INFOID:0000000009650431
1.
CHECK “L” TERMINAL CIRCUIT (SHORT)
1.
Turn ignition switch OFF.
2.
Disconnect alternator connector.
3.
Turn ignition switch ON.
Does charge warning lamp illuminate?
YES
>> GO TO 2.
NO
>> Refer to
CHG-14, "Work Flow (With EXP-800 NI or GR8-1200 NI)"
or
out EXP-800 NI or GR8-1200 NI)"
.
2.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect combination meter connector.
4.
Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Repair the harness.
Combination meter harness connector
Ground
Continuity
Connector No.
Terminal No.
M34
25
Not existed
CHG-28
< DTC/CIRCUIT DIAGNOSIS >
S TERMINAL CIRCUIT
S TERMINAL CIRCUIT
Description
INFOID:0000000009650432
The output voltage of the alternator is controlled by the IC voltage regulator at the “S” terminal detecting the
input voltage.
The “S” terminal circuit detects the battery voltage to adjust the alternator output voltage with the IC voltage
regulator.
Diagnosis Procedure
INFOID:0000000009650433
1.
CHECK “S” TERMINAL CONNECTION
1.
Turn ignition switch OFF.
2.
Check if “S” terminal is clean and tight.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair “S” terminal connection. Confirm repair by performing complete Charging system test
using EXP-800 NI or GR8-1200 NI (if available). Refer to the applicable Instruction Instruction for
proper testing procedures.
2.
CHECK “S” TERMINAL CIRCUIT
Check voltage between alternator harness connector and ground.
Is the inspection result normal?
YES
>> Refer to
CHG-14, "Work Flow (With EXP-800 NI or GR8-1200 NI)"
out EXP-800 NI or GR8-1200 NI)"
.
NO
>> Check harness for open between alternator and fuse.
Terminals
Voltage (Approx.)
(+)
(–)
Alternator harness connector
Terminal
F60
4
Ground
Battery voltage
CHG
CHARGING SYSTEM
CHG-29
< SYMPTOM DIAGNOSIS >
C
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L
B
A
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SYMPTOM DIAGNOSIS
CHARGING SYSTEM
Symptom Table
INFOID:0000000009650434
Symptom
Reference
Discharged battery
Refer to
CHG-14, "Work Flow (With EXP-800 NI or GR8-1200 NI)"
or
CHG-18, "Work Flow (Without EXP-800 NI or GR8-1200 NI)"
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.
CHG-30
< REMOVAL AND INSTALLATION >
ALTERNATOR
REMOVAL AND INSTALLATION
ALTERNATOR
Exploded View
INFOID:0000000009650435
REMOVAL
DISASSEMBLY
1.
Alternator mounting bolt (lower)
2.
Alternator bracket
3.
Alternator bracket mounting bolt
4.
Alternator harness connector
5.
Alternator
6.
Alternator mounting nut (lower)
7.
“B” terminal harness nut
8.
Alternator mounting bolt (upper)
: Vehicle front
: N·m (kg-m, ft-lb)
JSMIA1554GB
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