Nissan Sentra Service Manual: S terminal circuit
Description
The output voltage of the generator is controlled by the IC regulator at terminal “S” detecting the input voltage from battery.
The “S” terminal circuit detects the battery voltage to adjust the generator output voltage with the IC voltage regulator.
Diagnosis procedure
Regarding wiring diagram information. Refer to chg-9, "wiring diagram".
1.Check “s” terminal connection
- Turn ignition switch OFF.
- 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 manual for proper testing procedures.
2.Check “s” terminal circuit
Check voltage between generator harness connector and ground.
Is the inspection result normal? Yes >> refer to chg-14, "work flow (with exp-800 ni or gr8-1200 ni)" or chg-17, "work flow (without exp-800 ni or gr8-1200 ni)".
No >> check harness for open between generator and fuse.
L terminal circuit (short)
Description
The terminal “l” circuit controls the charge warning lamp. The charge warning
lamp turns on when the ignition
switch is set to on or start. When the generator is providing s ...
Symptom diagnosis
Charging system
Symptom table
...
Other materials:
SRS Air bag warning lamp does not turn OFF
Diagnosis Procedure
1.CHECK AIR BAG MODULE AND SEAT BELT PRE-TENSIONER
Check the deployment of air bag module.
Is air bag module deployed?
YES >> Replace the malfunctioning parts.
NO >> GO TO 2.
2.CHECK AIR BAG FUSE
Check 10 A fuse [No.3, located in fuse block (J/B)].
Is th ...
Fuel gauge
NOTE:
The ignition switch must be placed in the
ON position for the gauge to give a reading.
The gauge indicates the approximate fuel level
in the tank.
The gauge may move slightly during braking,
turning, acceleration, or going up or down hills.
The low fuel warning light comes on when ...
Low tire pressure warning lamp
Symptom Table
Low tire pressure warning lamp symptom chart
Note:
If tire pressure sensor wake-up operation is not completed for two or more
tire pressure sensors, the applicable
low tire pressure warning lamp blinking patterns are displayed continuously.
(Example: blinks once/off/bl ...
