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-603, "System Description" for the ASCD function.
Component Function Check
1.ASCD INDICATOR FUNCTION
Is the inspection result normal? YES >> INSPECTION END
NO >> Go to EC-948, "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 MWI-5, "METER SYSTEM : System Diagram".
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 this input of two kinds (ON/OFF s ...Cooling fan
Description The ECM controls the cooling fan corresponding to the vehicle speed, engine colant temperature, refrigerant pressure, and air conditioner ON signal. The control system has 4-step cont ...Other materials:
Diagnosis system (meter)
Diagnosis Description
SELF-DIAGNOSIS MODE
• Odo/trip meter and information display segment operation can be checked in
self-diagnosis mode.
• Meters/gauges can be checked in self-diagnosis mode.
OPERATION PROCEDURE
1. Turn the ignition switch OFF.
2. While pushing the odo/trip meter ...
Can communication circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose con ...
CVT fluid cooler system
Cleaning
Whenever an automatic transaxle is repaired, overhauled, or replaced, the CVT
fluid cooler mounted in the
radiator must be inspected and cleaned.
Metal debris and friction material, if present, can be trapped or become deposit
in the CVT fluid cooler. This
debris can contaminate t ...