Nissan Altima (L32) 2007-2012 Service Manual: Power supply and ground circuit
Diagnosis Procedure
1. CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible link are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected
circuit.
NO >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connectors.
3. Check voltage between IPDM E/R harness connector and
ground.
Is the measurement value normal?
YES >> GO TO 3
NO >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and
ground.
Does continuity exist?
YES >> Inspection End.
NO >> Repair harness or connector.
Description
• IPDM E/R operates the ignition relay when it receives an ignition switch ON
signal from BCM via CAN communication.
• Turn the ignition relay OFF by pressing the push-button ig ...
IPDM E/R (INTELLIGENT POWER DISTRIBUTION
MODULE ENGINE ROOM)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Wiring Diagram — Coupe
...
Other materials: Readiness for Inspection/Maintenance (I/M)
test
WARNING
A vehicle equipped with All-Wheel Drive
(AWD) should never be tested using a
two wheel dynamometer (such as the
dynamometers used by some states
for emissions testing), or similar equipment.
Make sure you inform the test
facility personnel that your vehicle is
equipped with AWD before it is ...
I-LI system limitations
WARNING
Listed below are the system limitations
for the I-LI system. Failure to follow the
warnings and instructions for proper
use of the I-LI system could result in
serious injury or death.
The I-LI system may activate if you
change lanes without first activating
your turn signal or, for examp ...
Heated seat switches (if so equipped)
WARNING
Do not use or allow occupants to use
the seat heater if you or the occupants
cannot monitor elevated seat temperatures
or have an inability to feel
pain in body parts that contact the
seat. Use of the seat heater by such
people could result in serious injury.
CAUTION
The battery could run ...
B2099 ignition relay off stuck
ECU diagnosis