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:
Subwoofer
Description
The AV control unit sends audio signals to the subwoofer amp. The subwoofer
amp. amplifies the audio signals before sending them to the subwoofers using
the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, subwoofer amp. and subwoofer connec ...
B2578, B2579 in-vehicle sensor
Description
In-vehicle Sensor
The in-vehicle sensor (1) is located on instrument lower cover
(LH).
It converts variations in compartment air temperature drawn from
the aspirator into a resistance value. It is then input into the A/C
auto amp.
In-vehicle Sensor Circuit
Aspira ...
P1777 step motor
Description
The step motor changes the step by turning 4 coils ON/OFF
according to the signal from TCM. As a result, the
flow of line pressure to primary pulley is changed and pulley ratio is
controlled.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive ve ...