Nissan Maxima Service and Repair Manual: Harness connector
Description
HARNESS CONNECTOR (TAB-LOCKING TYPE)
CAUTION:
Do not pull the harness or wires when disconnecting the connector.
[Example]

HARNESS CONNECTOR (SLIDE-LOCKING TYPE)
- A new style slide-locking type connector is used on certain
systems and components, especially those
related to OBD.
- The slide-locking type connectors help prevent incomplete locking
and accidental looseness or disconnection.
- The slide-locking type connectors are disconnected by pushing or pulling
the slider. Refer to the figure
below.
CAUTION:
- Do not pull the harness or wires when disconnecting the
connector.
- Be careful not to damage the connector support bracket when
disconnecting the connector.
[Example]

HARNESS CONNECTOR (LEVER LOCKING TYPE)
- Lever locking type harness connectors are used on certain control
units and control modules such as ECM,
ABS actuator and electric unit (control unit), etc.
- Lever locking type harness connectors are also used on super
multiple junction (SMJ) connectors.
- Always confirm the lever is fully locked in place by moving the
lever as far as it will go to ensure full connection.
CAUTION:
- Always confirm the lever is fully released (loosened) before
attempting to disconnect or connect
these connectors to avoid damage to the connector housing or terminals.

- Control unit with single lever
A. Fasten
B. Loosen
C. Lever
- Control unit with dual lever
A. Levers
B. Fasten
C. Loosen
- SMJ connector
A. Lever
B. Fasten
C. Loosen
HARNESS CONNECTOR (DIRECT-CONNECT SRS COMPONENT TYPE)
- SRS direct-connect type harness connectors are used on certain SRS
components such as air bag modules
and seat belt pre-tensioners.
- Always pull up to release black locking tab prior to removing
connector from SRS components.
- Always push down to lock black locking tab after installing
connector to SRS components. When locked, the
black locking tab is level with the connector housing.

CAUTION:
- Do not pull the harness or wires when removing connectors
from SRS components.
Electrical Units Location
ENGINE COMPARTMENT
PASSENGER COMPARTMENT
LUGGAGE COMPARTMENT
...
Description
NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
Relays can mainly be divided into three types: normal open, normal closed and
mixed type relays
TYPE OF STANDARDIZED RELAYS
1M * ...
Other materials:
Checking lights
Anti-lock Braking System (ABS)
warning light
Brake warning light (parking brake)
Brake warning light
Charge warning light
Engine oil pressure warning light
Forward Emergency Braking (FEB) system warning
light (if so eq ...
Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump (fuel level
sensor) detects the approximate fuel level in the fuel tank
and transmits the fuel level signal to the combination meter.
Component Function Check
1.COMBINATION METER INPUT SIGNAL
Select "METER/M&A" on CONSULT.
...
Air fresheners
Most air fresheners use a solvent that could affect
the vehicle interior. If you use an air freshener,
take the following precautions:
Hanging-type air fresheners can cause permanent
discoloration when they contact vehicle
interior surfaces. Place the air freshener
in a location that all ...