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:
Rear combination lamp
Disassembly and Assembly
Rear combination lamp
Rear side marker lamp socket
Rear side marker lamp bulb
Rear turn signal lamp socket
Rear turn signal lamp bulb
Back-up lamp socket
Back-up lamp bulb
DISASSEMBLY
Rotate the rear side marker lamp socket counterclockwise and ...
Vehicle identification number (VIN) plate
The vehicle identification number (VIN) plate is
attached as shown. This number is the identification
for your vehicle and is used in the vehicle
registration.
Vehicle identification number (chassis number)
The vehicle identification number is located as
shown.
Engine serial number
...
DLC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the data link connector for
damage, bend and loose connection
(connector side and harness side).
2.CHECK HARNESS FOR OP ...