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:

P1421 cold start control
Description ECM controls ignition timing and engine idle speed when engine is started with prewarming up condition. This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P1421 is displayed wit ...

Normal operating condition
Description AUDIO SYSTEM The majority of the audio troubles are the result of outside causes (bad CD, electromagnetic interference, etc.). Noise The following noise results from variations in field strength, such as fading noise and multi-path noise, or external noise from trains and oth ...

Additional service when replacing control unit
Description Initial setting is necessary when replacing power window main switch. CAUTION: The following specified operations are not performed under the non-initialized condition. • Auto-up operation • Anti-pinch function • Retained power operation Special Repair Requirement INITI ...