Nissan Altima 2007-2012 Service Manual: Mixture ratio self-learning value clear
Description
This describes how to erase the mixture ratio self-learning value. For the actual procedure, follow the instructions in “Diagnosis Procedure”.
Special Repair Requirement
1.START
1. Start engine and warm it up to normal operating temperature.
2. Select “SELF-LEARNING CONT” in “WORK SUPPORT” mode with CONSULT-III.
3. Clear mixture ratio self-learning value by touching “CLEAR”.
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF.
3. Disconnect mass air flow sensor harness connector.
4. Restart engine and let it idle for at least 5 seconds.
5. Stop engine and reconnect mass air flow sensor harness connector.
6. Select Service $03 with GST. Make sure DTC P0102 is detected.
7. Select Service $04 with GST to erase the DTC P0102.
>> END
Idle air volume learning
Description
Idle Air Volume Learning is a function of ECM to learn the idle air volume
that keeps each engine idle speed
within the specific range. It must be performed under any of the fol ...
Other materials:
Engine oil
Changing Engine Oil
WARNING:
• Be careful not to burn yourself, as the engine oil may be hot.
• Prolonged and repeated contact with used engine oil may cause skin cancer; try
to avoid direct skin
contact with used oil. If skin contact is made, wash thoroughly with soap or
hand cleaner ...
Main line between dlc and abs 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 following terminals and connectors for damage, bend and loose
connection (connector side
and harness side).
- Harness co ...
Ducts, nozzles and grilles
Components
1. Upper ventilator duct
2. Heater and cooling unit assembly
3. Connector duct (LH
4. Floor ventilator duct (LH)
5. Connector duct (center)
6. Rear floor duct (LH)
7. Rear ventilator duct (center)
8. Rear floor duct (RH)
9. Floor ventilator duct (RH)
10. Connector duct (RH)
1 ...