Nissan Altima 2007-2012 Service Manual: Power supply and ground circuit (coupe)

Audio unit
 Diagnosis Procedure 1.CHECK FUSES Check that the following fuses are not blown. Are the fuses OK? YES >> GO TO 2 NO >> If fuse is blown, be sure to eliminate cause of malfunct ...

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Checking engine oil level
QR25DE engine 1. Park the vehicle on a level surface and apply the parking brake. 2. Start the engine and let it idle until it reaches operating temperature. 3. Turn off the engine. Wait more than 10 minutes for the oil to drain back into the oil pan. 4. Remove the dipstick and wipe it cle ...

Air conditioning cut control
System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: This signal is sent to the ECM through CAN communication line. *2: ECM determines the start signal status by the signals of engine speed and battery voltage. SYSTEM DESCRIPTION This system improves engine operation when ...

Filament
Inspection and Repair INSPECTION 1. When measuring voltage, wrap tin foil around the top of the negative probe. Then press the foil against the wire with your finger. 2. Attach probe circuit tester (in Volt range) to middle portion of each filament. 3. If a filament is burned out, circuit ...