Nissan Altima 2007-2012 Service Manual: Component diagnosis

Diagnosis system (audio unit)
Diagnosis Description Self-diagnosis mode can check the following items. • Audio unit hardware/software versions • Continuity of each speaker channel • Continuity of each audio unit switch ...

Other materials:

P1421 Cold start control
Description ECM controls ignition timing and engine idle speed when engine is started with pre-warming 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 ...

Removal and installation
TRANSMITTER Removal and Installation REMOVAL 1. Remove wheel and tire using power tool. 2. Deflate tire. Unscrew transmitter retaining nut and allow transmitter to fall into tire. 3. Gently bounce tire so that transmitter falls to bottom of tire. Place wheel and tire assembly on tire ...

P0507 ISC System
Description The ECM controls the engine idle speed to a specified level via the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator. The operating of the throttle valve is varied to allow for optimum control of the engine idli ...