Nissan Altima 2007-2012 Service Manual: Power supply and ground circuit (sedan)
Microphone
Diagnosis Procedure 1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE) Check voltage between microphone harness connector and ground. Is proper voltage present? YES >> GO TO 4 NO >> G ...Audio unit
Diagnosis Procedure 1.CHECK FUSES Check that the following fuses are not blown. Are the fuses OK? YES >> GO TO 2 NO >> If fuse is blown, be sure to eliminate cause of malfunction b ...Other materials:
Anti-pinch system does not operate normally (driver side)
Diagnosis Procedure
1. PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure.
Refer to PWC-295, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
Repair Requirement".
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace the mal ...
Additional service when replacing
control unit
Description
MEMORY RESET PROCEDURE
1. Please observe the following instructions at confirming the sunroof
operation.
NOTE:
Do not disconnect the electronic power while the sunroof is operating or within
5 seconds after the sunroof
stops. (to wipe-out the memory of lid position and operat ...
P0420 three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage c ...