Nissan Altima (L32) 2007-2012 Service Manual: ASCD Indicator
Description
The ASCD operation status is indicated by two indicators, (CRUISE and SET on the information display) on the combination meter.
CRUISE indicator is displayed to indicate that ASCD system is ready for operation when MAIN switch on ASCD steering switch is turned ON.
SET indicator is displayed when the following conditions are met.
• CRUISE indicator is displayed.
• SET/COAST switch on ASCD steering switch is turned ON while vehicle speed is within the range of ASCD setting.
SET indicator is displayed during ASCD control.
Refer to EC-67, "System Description" for the ASCD function.
Component Function Check
1.ASCD INDICATOR FUNCTION
Check ASCD indicator under the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Go to EC-1472, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK DTC
Check that DTC UXXXX is not displayed.
Is the inspection result normal? YES >> GO TO 2.
NO >> Perform trouble diagnosis for DTC UXXXX.
2.CHECK COMBINATION METER OPERATION
Refer to MWI-38, "CONSULT-III Function (METER/M&A)".
Is the inspection result normal? YES >> GO TO 3.
NO >> Check combination meter circuit. Refer to EC-1179, "Diagnosis Procedure".
3.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> INSPECTION END
ASCD Brake switch
Description
When the brake pedal is depressed, ASCD brake switch is turned OFF and stop
lamp switch is turned ON.
ECM detects the state of the brake pedal by those two types of input (ON/OFF
s ...
Cooling fan
Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine
coolant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 4-step cont ...
Other materials:
Service information for electrical
incident
Work Flow
Control Units and Electrical Parts
PRECAUTIONS
• Never reverse polarity of battery terminals.
• Install only parts specified for a vehicle.
• Before replacing the control unit, check the input and output and functions of
the component parts.
• Do not apply excessi ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred).
>> GO TO 2
2. CHECK DTC
1. Check DT ...
Multi AV system (coupe)
System Diagram
System Description
The multi AV system consists of the following systems.
• Navigation system
• Audio system
• Rear view monitor
• Hands-free phone system
Refer to the following table for multi AV system descriptions.
VOICE RECOGNITION
The multi AV system uses ...
