Nissan Sentra Service Manual: B terminal circuit
Description
“B” terminal circuit supplies power to charge the battery and to operate the vehicles electrical system.
Diagnosis procedure
Regarding wiring diagram information. Refer to chg-9, "wiring diagram".
1.Check “b” terminal connection
- Turn ignition switch off.
- Check if “b” terminal is clean and tight.
Is the inspection result normal? Yes >> go to 2.
No >> repair terminal “b” connection. Confirm repair by performing complete charging system test using the exp-800 ni or gr8-1200 ni (if available). Refer to applicable instruction manual for proper testing procedures.
2.Check “b” terminal circuit
Check voltage between generator “b” terminal and ground.
Is the inspection result normal? Yes >> go to 3.
No >> check harness for open between generator and fusible link.
3.Check “b” terminal connection (voltage drop test)
- Start engine, then engine running at idle and warm.
- Check voltage between battery positive terminal and generator connector “b” terminal.
Is the inspection result normal? YES >> “B” terminal circuit is normal. 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 between battery and generator for continuity.
Power generation voltage variable control system operation inspection
Diagnosis Procedure
Regarding wiring diagram information. Refer to chg-9, "wiring diagram".
Caution:
When performing this inspection, always use a charged battery that has
completed the ...
L terminal circuit (open)
Description
The “L” terminal 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 su ...
Other materials:
Cooling fan control
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant
temperature, refrigerant pressure,
air conditioner ON signal. Then control system has 3-step control
[HIGH/LOW/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
Whe ...
Headlining
Exploded View
STANDARD ROOF
Headlining
Assist grip
Map lamp bracket
Sun visor (RH)
Sun visor cover
Sun visor holder
Map lamp
Sun visor (LH)
Interior room lamp
Assist grip cap
Headlining clip
Metal clip
Pawl
Metal clip
Sunroof
Headlining
Assist grip
...
Unit disassembly and assembly
Front coil spring and strut
Exploded View
Piston rod lock nut
Strut mount insulator
Strut mount bearing
Bound bumper
Coil spring
Lower rubber seat
Strut
Steering knuckle
Front
Disassembly and Assembly
DISASSEMBLY
CAUTION:
Do not damage the piston rod when removing comp ...
