Nissan Sentra manuals

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

  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 manual for proper testing procedures.

2.Check “s” terminal circuit

Check voltage between generator harness connector and ground.

Is the inspection result normal?


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 ...

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Diagnosis system (ECM)
Diagnosis description : 1st trip detection logic and two trip detection logic When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the ECM memory. The MIL will not illuminate at this stage. <1st trip> If the same malfunction is dete ...

ECU diagnosis information
Diagnosis sensor unit DTC Index DIAGNOSTIC CODE CHART NOTE: Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated using air bag warning lamp or CONSULT each time repair is finished. If malfunction is still observed, proceed ...

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