Nissan Altima 2007-2012 Service Manual: Preparation
Special Service Tools
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools
Precaution
Supplemental Restraint System (SRS) "AIR B
AG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used al ...
Symptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs.Use the Diagnostic
Worksheet d ...
Other materials:
BCM (Body control module)
Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuse or fusible link are blown.
Is the fuse or fusible link blown?
YES >> Replace the blown fuse or fusible link after repairing the affected
circuit.
NO >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
1 ...
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 ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Trouble Diagnosis Flow Chart
Trouble Diagnosis Procedure
INTERVIEW WITH CUSTOMER
Interview with the customer is important to detect the root cause of CAN
communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosis. ...