Nissan Sentra Service Manual: Ecu diagnosis information

System description

Component parts Component parts location Instrument lower finisher Component description Sport mode switch The sport mode switch is installed to the instrument lower finisher. Wh ...

Wiring diagram

Sport mode system Wiring diagram ...

Other materials:

P1574 ASCD Vehicle speed sensor
Description The ECM receives two vehicle speed sensor 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-51, "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : Sys ...

Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of inju ...

The illumination control switch is inoperative
Description If any of the following malfunctions is found for the illumination control switch operation. All switches are inopera The specified switch cannot be operated Diagnosis procedure 1.Check illumination control switch signal circuit Check the illumination control switch signal ...