Nissan Altima Owners Manual: Self-adjusting brakes
Your vehicle is equipped with self-adjusting brakes.
The front and rear disc-type brakes self-adjust every time the brake pedal is applied.
WARNING
See a NISSAN dealer for a brake system check if the brake pedal height does not return to normal.
Brakes
If the brakes do not operate properly, have the
brakes checked by a NISSAN dealer. ...
Brake pad wear indicators
The disc brake pads on your vehicle have audible
wear indicators. When a brake pad requires replacement,
a high pitched scraping or screeching
sound will be heard when the vehicle is in
motion. Th ...
Other materials:
P1421 Cold start control
Description
ECM controls ignition timing and engine idle speed when engine is started
with pre-warming up condition.
This control promotes the activation of three way catalyst by heating the
catalyst and reduces emissions.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC P1421 is displa ...
M&A branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the combination meter for damage, bend
and loose connection
(unit side and connector side).
...
Floor mats
WARNING
To avoid potential pedal interference that
may result in a collision or injury:
● NEVER place a floor mat on top of another
floor mat in the driver front
position.
● Use only genuine NISSAN floor mats
specifically designed for use in your vehicle
model. See your NISSAN de ...