Nissan Sentra Service Manual: Control Units and Electrical Parts
PRECAUTIONS
- Never reverse polarity of battery terminals.
- Install only parts specified for a vehicle.
- Before replacing the control unit, check the input and output and functions of the component parts.
- Do not apply excessive force when disconnecting a connector.
- Do not apply excessive shock to the control unit by dropping or hitting it.
- Be careful to prevent condensation in the control unit due to rapid temperature changes and do not let water or rain get on it. If water is found in the control unit, dry it fully and then install it in the vehicle.
- Be careful not to let oil to get on the control unit connector.
- Avoid cleaning the control unit with volatile oil.
- Do not disassemble the control unit, and do not remove the upper and lower covers.
- When using a DMM, be careful not to let test probes get close to each other to prevent the power transistor in the control unit from damaging battery voltage because of short circuiting.
- When checking input and output signals of the control unit, use the specified check adapter.
Work Flow
STEP
DESCRIPTION
STEP 1
Get detailed information about the conditions and the
environment when the incident occurred.
The following are key pieces of information requi ...
How to Check Terminal
CONNECTOR AND TERMINAL PIN KIT
Use the connector and terminal pin kits listed below when replacing
connectors or terminals.
The connector and terminal pin kits contain some of the most common ...
Other materials:
Dtc/circuit diagnosis
Eco mode switch
Component function check
1. Check eco mode switch operation
Turn ignition switch on.
Check ECO mode indicator lamp turns ON/OFF on combination meter when
turn ECO mode switch ON/
OFF.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proceed to DM ...
Parking/parking on hills
WARNING
Do not stop or park the vehicle over
flammable materials such as dry grass,
waste paper or rags. They may ignite
and cause a fire.
Safe parking procedures require that
both the parking brake be set and the
transmission placed into P (Park) for
CVT m ...
Diagnosis description : driving pattern
DRIVING PATTERN A
Driving pattern A means a trip satisfying the following conditions.
Engine speed reaches 400 rpm or more.
Engine coolant temperature rises by 20В°C (36В°F) or more after starting
the engine.
Engine coolant temperature reaches 70В°C (158В°F) or more.
The igniti ...