Nissan Altima (L32) 2007-2012 Service Manual: Inspection and adjustment
- Basic inspection
- Additional service when replacing control unit
- Idle speed
- Ignition timing
- Vin registration
- Accelerator pedal released position learning
- Throttle valve closed position learning
- Idle air volume learning
- Mixture ratio self-learning value clear
Engine control system QR25DE except for california
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
c ...
Basic inspection
Special Repair Requirement
1.INSPECTION START
1. Check service records for any recent repairs that may indicate a related
malfunction, or a current need for
scheduled maintenance.
2. Open engi ...
Other materials:
On-vehicle rep
BCM (BODY CONTROL MODULE)
Removal and Installation
REMOVAL
CAUTION:
Before replacing BCM, perform "READ CONFIGURATION" to save or print current
vehicle specification.
Refer to BCS-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description".
1. Remove the combinati ...
Microphone signal circuit
Description
Power is supplied to the microphone from the AV control unit. The microphone
transmits voice signals to the
AV control unit.
Diagnosis Procedure
1.CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND MICROPHONE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connect ...
P0603 ECM Power supply
Description
Battery voltage is supplied to the ECM even when the ignition switch
is turned OFF for the ECM memory function of the DTC memory, the
air-fuel ratio feedback compensation value memory, the idle air volume
learning value memory, etc.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATI ...
