Nissan Altima 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:

    Passenger side
    Description Door glass moves UP/DOWN by receiving the signal from main power window and door lock/unlock switch or power window and door lock/unlock switch RH. Component Function Check 1. CHECK POWER WINDOW MOTOR CIRCIUT Does power window motor operate with operating main power window and do ...

    Driver side
    Description Door glass moves UP/DOWN by receiving the signal from main power window and door lock/unlock switch. Component Function Check 1. CHECK FRONT POWER WINDOW MOTOR LH CIRCUIT Does front power window motor LH operate with the main power window and door lock/unlock switch? Is the ins ...

    AV control unit
    Diagnosis Procedure 1.CHECK FUSE Check that the following fuses of the AV control unit are not blown. Are the fuses OK? YES >> GO TO 2 NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2.CHECK POWER SUPPLY CIRCUIT Check voltage between AV control unit ...