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.
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 ...
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:
Diagnosis system (bcm) (with intelligent key system)
Common item
Common item : consult function (bcm - common item)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
Wiper
Wiper : consult function (bcm - wiper)
DATA MONITOR
ACTIVE TES ...
Push-button ignition switch positions
LOCK (Normal parking position):
The ignition switch can only be locked in this
position.
The ignition switch will be unlocked when it is
pushed to the ACC position while carrying the
Intelligent Key or with the Intelligent Key inserted
in the port.
The ignition switch will lock when any d ...
P0524 Engine oil pressure
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0524
ENGINE OIL PRESSURE
(Engine oil pressure too low)
An EOP sensor signal voltage applied to
ECM remains lower than the specified ...
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