Nissan Altima 2007-2012 Service Manual: Engine maintenance (QR25DE)

Recommended fluids and lubricants
Fluids and Lubricants 1: For further details, see “Engine Oil Recommendation”. *2: Using automatic transmission fluid other than Genuine NISSAN CVT Fluid NS-2 will damage the CVT, which i ...

Drive belts
 Checking Drive Belts WARNING: Inspect the drive belt only when the engine is stopped. NOTE: On vehicles not equipped with A/C, there is an idler pulley in the position for the drive bel ...

Other materials:

P0841 pressure sensor function
Description Using the engine load (throttle position), the primary pulley revolution speed, and the secondary pulley revolution speed as input signal, TCM changes the operating pressure of the primary pulley and the secondary pulley and changes the groove width of the pulley to control the ge ...

P0452 Evap control system pressure sensor
Description The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously condu ...

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: • If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. • If DTC P1715 is ...