Nissan Altima 2007-2012 Service Manual: ECU diagnosis

Reverse signal circuit
Description A reverse signal is supplied from the back-up lamp relay to the rear view camera control unit. When this signal is received, the display shows a view to the rear of the vehicle. Diag ...

AV Control unit (coupe)
Reference Value VALUES ON THE DIAGNOSIS TOOL CONSULT-III data monitor item TERMINAL LAYOUT PHYSICAL VALUES Wiring Diagram DTC Index ...

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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 ...

TPMS
System Diagram System Description BODY CONTROL MODULE (BCM) The BCM is shown with the instrument panel LH removed. The BCM reads the air pressure signal received by the tire pressure receiver, and controls the low tire pressure warning lamp as shown below. It also has a self-diagnosis funct ...

P0300, P0301, P0302, P0303, P0304 misfire
DTC Logic DTC DETECTION LOGIC When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the crankshaft position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is occurring. The misfire detection logic consists of the following ...