Nissan Sentra Service Manual: Removal and installation
Starter motor
Exploded View

- “S” terminal harness
- “B” terminal harness
- Starter motor
- Cylinder block
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 fan shroud and motor assembly. Refer to CO-17, "Component".
- Remove reservoir hose upper from radiator to water outlet. Refer to
CO-15, "Exploded View".
- Remove “B” terminal nut and “B” terminal harness.
- Remove “S” terminal nut and “S” terminal harness.
- Disconnect harness connector from oil temperature sensor. Refer to
EM-94, "Exploded View".
- Disconnect harness connector (1) from crankshaft position sensor.
- Remove harness clip (A) from oil pan (upper), and then remove
harness (2) and set aside.

- Remove upper starter motor bolt.
- Remove lower starter motor bolt and remove starter motor.
- Installation is in the reverse order of removal.
- Refill engine coolant. Refer to CO-12, "Changing Engine Coolant".
CAUTION:
- Be careful to tighten "B" terminal nut to the specified torque.
Starting system
Symptom table
Symptom
Reference
No normal cranking
Refer to STR-20, "Work Flow (With GR8-1200 NI)" or
STR-24, "Work Flow (Without GR8-1200 NI ...
Starter Motor
*: Always check with the Parts Department for the latest parts information. ...
Other materials:
Symptom diagnosis
Engine does not start when intelligent key is inside of vehicle
Description
Engine does not start when push-button ignition switch is pressed while
carrying intelligent key.
Note:
Check that vehicle is under the condition shown in “conditions of
vehicle” before starting diagnos ...
Preparation
Special service tool
The actual shape of the tools may differ from those illustrated here.
HFC-134a (r-134a) service tool and equipmen.T.
Do not mix HFC-134a (R-134a) refrigerant and/or its specified oil with CFC-12
(R-12) refrigerant and/or its oil.
Separate and non-interchangeable se ...
P0125 ECT Sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0125 is displayed with P0116, first perform the trouble
diagnosis for DTC P0116. Refer to EC-
196, "DTC Logic".
If DTC P0125 is displayed with P0117 or P0118, first perform the
trouble diagnosis for DTC P0117 or
P0118. Refer to ...
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