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.
Charging system
Symptom table
...
Generator
*: Always check with the parts department for the latest parts information. ...
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 ...
P0138 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time between rich and
lean than the air fuel ratio (A/
F) sensor 1. The oxygen storage capacity of the three way catalyst (manifold)
causes the longer switching
time.
MALFUNCTION A
To judge the malfunction ...
C1111 PUMP MOTOR
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1111
PUMP MOTOR
When a malfunction is detected in motor or motor
relay.
When a low pressure malfunction is detected in accumulator.
When a malfunction ...
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