Nissan Maxima Service and Repair Manual: ASCD indicator

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 those two types of input (ON/OFF s ...

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 con ...

Other materials:

Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELTPRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used alongwith a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for c ...

Power supply and ground circuit
Diagnosis Procedure 1.CHECK GROUND CONNECTION-I Turn ignition switch OFF. Check ground connection E9. Refer to Ground Inspection 2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I Disconnect ECM harness connector. Check the continuity between ECM harness connector and ground. Also che ...

U1000 CAN comm circuit
Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent malfunction detection ability. Many electronic control units are equipped onto a vehicle, an ...