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:
B terminal circuit
Description
"B" terminal circuit supplies power to charge the battery and operate the
vehicle's electrical system.
Diagnosis Procedure
1.CHECK "B" TERMINAL CONNECTION
Turn ignition switch OFF.
Check if "B" terminal is clean and tight
2.CHECK "B" TERMINAL CIRCUIT
Check voltage between ...
Removal and Installation
REMOVAL
Disconnect the battery negative terminal. Refer to PG-67, "Removal
and Installation (Battery)".
Disconnect the harness connector from the accelerator position
sensor.
Remove the three accelerator pedal nuts.
Remove the accelerator pedal and accelerator position sensor assembl ...
Power distribution system
System Description
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
POWER DISTRIBUTION SYSTEM (PDS) is the system that BCM controls
with the operation of the pushbutton
ignition switch and performs the power distribution to each power circuit.
This system is used instead
of the mec ...