Nissan Altima 2007-2012 Service Manual: P1574 ASCD vehicle speed sensor

Description

The ECM receives two vehicle speed signals via CAN communication line. One is sent from combination meter, and the other is from TCM (Transmission control module). The ECM uses these signals for ASCD control.

Refer to EC-67, "System Description" for ASCD functions.

DTC Logic

DTC DETECTION LOGIC

NOTE:

    P1572 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 si ...

    P1715 input speed sensor (primary speed sensor)
    Description ECM receives primary speed sensor signal from TCM through CAN communication line. ECM uses this signal for engine control. DTC Logic DTC DETECTION LOGIC NOTE: ...

    Other materials:

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    Removal and Installation - Coupe REMOVAL 1. Remove the trunk front finisher, trunk floor carpet and spare tire cover. Refer to INT-22, "Exploded View". 2. Remove the LH trunk floor spacer. 3. Remove the rear pillar LH. Refer to INT-20, "Exploded View". 4. Remove the ...

    Locking with key
    Driver’s side Manual (if so equipped) To lock a door, turn the key toward the front of the vehicle 1 . To unlock, turn the key toward the rear of the vehicle 2 . Power (if so equipped) The power door lock system allows you to lock or unlock all doors at the same time. Turning the key ...

    Satellite radio tuner
    Removal and Installation - Coupe REMOVAL 1. Disconnect the battery negative terminal. 2. Remove the trunk floor carpet and spare tire cover. Refer to INT-23, "Removal and Installation". 3. Remove the LH trunk floor spacer. 4. Remove the satellite radio tuner assembly nuts (B), ...