Nissan Altima (L32) 2007-2012 Service Manual: Harness connector
Description
HARNESS CONNECTOR (TAB-LOCKING TYPE) • The tab-locking type connectors help prevent accidental looseness or disconnection.
• The tab-locking type connectors are disconnected by pushing or lifting the locking tab(s). Refer to the figure below.
Refer to the next page for description of the slide-locking type connector.
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.
1. Control unit with single lever
A. Fasten
B.Loosen
C.Lever
2. Control unit with dual lever
A. Fasten
B.Loosen
C.Lever
3. SMJ connector
A. Fasten
B.Loosen
C.Lever
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 afte4r installing connector to SRS components.n 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
...
Standardized relay
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
...
Other materials:
IPDM E/R (Intelligent power distribution
module engine room)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Wiring Diagram — Coupe
Wiring Diagram — Sedan
Fail Safe
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs
fail-sa ...
P0146 HO2S3
Description
The heated oxygen sensor 3, after HC adsorption catalyst (Under
floor), monitors the oxygen level in the exhaust gas on each bank.
This sensor is made of ceramic zirconia. The zirconia generates voltage
from approximately 1V in richer conditions to 0V in leaner conditions.
Unde ...
Power distribution system
System Description
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
• PDS (POWER DISTRIBUTION SYSTEM) 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 mechanical ...
