Nissan Altima 2007-2012 Service Manual: Basic inspection
Diagnosis and repair workflow
Work Flow
DETAILED FLOW
1.LISTEN TO CUSTOMER COMPLAINT
Listen to customer complaint. Get detailed information about the conditions
and environment when the symptom
occurs.
>> GO TO 2
...
Other materials:
Condenser
Removal and Installation - Coupe
REMOVAL
1. Remove the rear seat cushion and the rear seatback.
Refer to SE-25, "Removal and Installation".
2. Remove the rear kicking plate, rear wheel well garnish and the rear pillar
finisher.
Refer to INT-19, "Removal and Installation&q ...
Control system
System Diagram
System Description
The CVT senses vehicle operating conditions through various sensors. It
always controls the optimum shift
position and reduces shifting and lock-up shocks.
TCM FUNCTION
The function of the TCM is to:
• Receive input signals sent from various switches an ...
P1421 Cold start control
Description
ECM controls ignition timing and engine idle speed when engine is started
with prewarming 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 displayed wit ...