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:
Unit disassembly and assembly
TORQUE CONVERTER AND CONVERTER HOUSING OIL SEAL
Exploded View
Transaxle assembly
Torque converter
Converter housing oil seal
: Apply CVT Fluid
Disassembly
Remove transaxle assembly.
Remove torque converter.
CAUTION:
Do not damage the bushing on the inside of torque con ...
DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
Description
CAN (Controller Area Network) is a serial communication system for real time
application. It is an on-vehicle
multiplex communication system with high data communication speed and excellent
error detection ability.
Many electronic control units are equip ...
To protect your vehicle from corrosion
Wash and wax your vehicle often to keep the
vehicle clean.
Always check for minor damage to the paint
and repair it as soon as possible.
Keep drain holes at the bottom of the doors
open to avoid water accumulation.
Check the underbody for accumulation of
sand, dirt or salt. If prese ...
