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:
Parking brake switch
Component Function Check
1.CHECK PARKING BRAKE SWITCH OPERATION
Check that brake warning lamp in combination meter turns ON/OFF
when parking brake is actuated.
Is the inspection result normal?
YES >> Inspection End.
NO >> Proceed to diagnosis procedure. Refer to BRC-90, " ...
Circuit Inspection
DESCRIPTION
In general, testing electrical circuits is an easy task if it is
approached in a logical and organized method.
Before beginning it is important to have all available information on the
system to be tested. Also, get a thorough
understanding of system operation. Then you w ...
Basic inspection
Component inspection
Inspection
AFTER A COLLISION
WARNING:
Inspect all seat belt assemblies including retractors and attaching
hardware after any collision.
NISSAN/INFINITI recommends that all seat belt assemblies in use during a
collision be replaced
unless the collision was minor and t ...
