Nissan Altima 2007-2012 Service Manual: Symptom diagnosis

ECU Diagnosis
ECM Reference Value VALUES ON THE DIAGNOSIS TOOL Remarks: ●  Specification data are reference values. ●   Specification data are output/input values which are detected ...

Engine control system symptoms
Symptom Table SYSTEM — BASIC ENGINE CONTROL SYSTEM 1 - 6: The numbers refer to the order of inspection. (continued on next page) SYSTEM — ENGINE MECHANICAL & OTHER 1 - 6: The nu ...

Other materials:

AV branch line circuit
Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the AV control unit for damage, bend and loose connection (unit side and connector side). I ...

Parking, license plate and tail lamps are not turned on
Description The parking, license plate and tail lamps do not turn ON in with any lighting switch setting. Diagnosis Procedure 1.COMBINATION SWITCH INSPECTION Check the combination switch. Refer to BCS-10, "System Description". Is the combination switch normal? YES >> GO T ...

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 malfunction before installing new fuse. 2.POWER SUPPLY CIRCUIT CHECK 1. Disconnect audio unit connector ...