Nissan Sentra Service Manual: Removal and installation
Generator
Exploded view
- Thermostat housing
- Generator bolt (upper)
- Generator bolt (lower)
- Generator
- B” terminal harness
- “B” terminal nut
- Generator harness connector
Front
Removal and installation
Note:
When removing components such as hoses,tubes\lines,etc,cap or plug openings to prevent fluid from spilling.
Removal
- Disconnect the battery negative terminal. Refer to PG-50, "Removal and Installation (Battery)".
- Remove cooling fan. Refer to CO-17, "Removal and Installation".
- Remove drive belt. Refer to em-15, "removal and installation".
- Disconnect generator harness connector.
- Remove “B” terminal nut, and then disconnect “B” terminal harness.
- Remove generator bolt (upper).
- Completely loosen generator bolt (lower) (1), and pull it out until the bolt head is in contact with the side member. And then, remove the generator (2) by pulling it forward.
: Front
Note:
The generator can be removed together with the bolts by pulling it forward and using the thermostat housing bolt hole cutout (a).
- Remove generator upward from the vehicle.
Installation
- Installation is in the reverse order of removal.
- Refill engine coolant. Refer to co-12, "changing engine coolant".
Caution:
- Temporarily tighten the generator bolts in order from the lower to the upper, and then tighten them in order from the upper to the lower.
- For the generator, the front side (pulley side) surface is the reference surface. Fit the reference surface to the generator mounting part, and then tighten the bolts.
- Be careful to tighten “b” terminal nut carefully.
- For this model, the power generation voltage variable control system that controls the power generation voltage of the generator has been adopted. Therefore, the power generation voltage variable control system operation inspection should be performed after replacing the generator, and then make sure that the system operates normally. Refer to chg-8, "system description".
Inspection
Generator pulley inspection
Perform the following.
- Make sure that generator pulley does not rattle.
- Make sure that generator pulley nut is tight.
Note:
Replace generator as an assembly if necessary.
Symptom diagnosis
Charging system
Symptom table
...
Service data and specifications (SDS)
Generator
*: Always check with the parts department for the latest parts information. ...
Other materials:
Main power supply and ground circuit
Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)
Turn ignition switch OFF.
Disconnect TCM connector.
Check voltage between TCM harness connector terminals and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK TCM POWER CIRCUIT (PAR ...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...
C1109 Power and ground system
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1109
BATTERY VOLTAGE
[ABNORMAL]
When ignition voltage is 10 V or less.
When ignition voltage is 16 V or more.
Harness or connector
...
