Nissan Altima 2007-2012 Service Manual: Engine control system QR25DE for california

Service data and specifications (SDS)
Capacity Thermostat Radiator ...

Other materials:

P2101 electric throttle control function
Description Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. The throttle control motor is operated by the ECM and it opens and closes the throttle valve. The current opening angle of the throttle valve is detected by the throttle po ...

Power supply and ground circuit
Diagnosis Procedure 1.CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E9. Refer to Ground Inspection in GI-45, "Circuit Inspection". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2.CHE ...

P1778 step motor - function
Description • The step motor's 4 aspects of ON/OFF change according to the signal from TCM. As a result, the flow of line pressure to primary pulley is changed and pulley ratio is controlled. • This diagnosis item is detected when electrical system is OK, but mechanical system is NG. ...