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:

Sound signal circuit (coupe)
SATELLITE RADIO TUNER Description Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the sound signal circuits. Diagnosis Procedure LEFT CHANNEL 1.CHECK HARNESS 1. Turn ignition switch OFF. 2. Disconnect satellite radio tuner (fact ...

Ecu diagnosis
TCM Reference Value VALUES ON THE DIAGNOSIS TOOL * Means CVT fluid temperature. Actual oil temperature °C (°F) cannot be checked unless a numeric value is converted. Refer to TM-237, "ATFTEMP COUNT Conversion Table". TERMINAL LAYOUT PHYSICAL VALUES *1: A circuit t ...

NVIS (Nissan vehicle immobilizer system-nats)
System Diagram System Description INPUT/OUTPUT SIGNAL CHART SYSTEM DESCRIPTION • The NVIS (NATS) is an anti-theft system by registering an Intelligent Key ID in to the vehicle and prevents the engine being started by an unregistered Intelligent Key. It has a higher protection agains ...