Nissan Juke Service and Repair Manual : S terminal circuit
Description
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
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.
2.CHECK “S” TERMINAL CIRCUIT
Check voltage between alternator harness connector and ground
Is the inspection result normal? YES >> Refer to CHG-12, "GASOLINE ENGINE MODELS : Work Flow".
NO >> Check harness for open between alternator and fuse.
L terminal circuit (short)
Description
The “L” terminal circuit controls the charge warning lamp. The charge warning
lamp illuminates when the ignition
switch is set to ON or START. When the alternator is providing sufficie ...
Symptom diagnosis
CHARGING SYSTEM
Symptom Table
...
Other materials:
On board diagnostic (OBD) system
Diagnosis Description
This system is an on board diagnostic system that records exhaust
emission-related diagnostic information
and detects a sensors/actuator-related malfunction. A malfunction is indicated
by the malfunction indicator
lamp (MIL) and stored in ECU memory as a DTC. The diagnos ...
Inspection
LEVEL
• Check that the reservoir tank engine coolant level is within the
“MIN” to “MAX” when the engine is cool.
A : MAX
B : MIN
• Adjust the engine coolant level if necessary.
LEAKAGE
• To check for leakage, apply pressure to the cooling system with the
radiator cap tester (commercial ser ...
General Precautions
WARNING:
When replacing fuel line parts, be sure to observe the following.
• Put a “CAUTION: FLAMMABLE” sign in the workshop.
• Be sure to work in a well ventilated area and furnish workshop with a CO2 fire
extinguisher.
• Never smoke while servicing fuel system. Keep open flames and sparks ...