Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis 

System description

STARTING SYSTEM System Diagram System Description The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the ...

B terminal C 

Description  The "B" terminal is constantly supplied with battery power. Diagnosis Procedure  CAUTION: Perform diagnosis under the condition that the engine cannot start by the followin ...

Other materials:

RGB AREA (YS) signal circuit
Description Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display unit. Diagnosis Procedure 1.CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT Turn ignition switch OFF. Disconnect display unit connector M141 and AV control unit conne ...

P050A, P050e 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 P050A or P050E is dis ...

P0603 ECM power supply
Description Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc. DTC Logic DTC DETECTION LOGIC DTC CON ...