Nissan Maxima Service and Repair Manual: ECU diagnosis information

Washer level switch signal circuit

Description Transmits the washer fluid level switch signal to the combination meter. Component Function Check 1.COMBINATION METER INPUT SIGNAL  Select "METER/M&A" on CONSULT. ...

Combination meter

Reference Value VALUES ON THE DIAGNOSIS TOOL NOTE: * The monitor will indicate "OFF" even though the brake warning lamp is on if either of the following conditions exist: The parking ...

Other materials:

P1574 ASCD vehicle speed sensor
Description The ECM receives two vehicle speed signals via the 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-68, "System Diagram" for ASCD functions. D ...

Xenon headlamp
Description OPERATION Refer to EXL-10, "Component Description". PRECAUTIONS FOR TROUBLE DIAGNOSIS Installation or removal of the connector must be done with the lighting switch OFF. When the lamp is illuminated (when the lighting switch is ON), do not touch the harness, HID control ...

Cooling fan
Description The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, refrigerant pressure, and air conditioner ON signal. The control system has 4-step control [HIGH/MIDDLE/LOW/OFF]. COOLING FAN MOTOR The cooling fan operates at each speed when the cu ...