Nissan Altima 2007-2012 Service Manual: 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:

    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 thes ...

    P1805 brake switch
    Description Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed. This signal is used mainly to decrease the engine speed when the vehicle is ...

    Other materials:

    IPDM-E branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the IPDM E/R for damage, bend and loose connection (unit side and connector side). Is the in ...

    Operating tips
    ● When the shift lever is shifted to R (Reverse), the monitor screen automatically changes to the RearView Monitor mode. However, the radio can be heard. ● It may take some time until the RearView Monitor is displayed after the shift lever has been shifted to R (Reverse). Objects ...

    POWER supply and ground circuit
    BCM Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuse or fusible link are blown. Is the fuse or fusible link blown? YES >> Replace the blown fuse or fusible link after repairing the affected circuit. NO >> GO TO 2 2. CHECK POWER SUPPLY CIRC ...