Nissan Sentra Service Manual: Wiring diagram

Ecu diagnosis information

Ecm List of ecu reference Reference list ...

Basic inspection

Diagnosis and repair work flow Work flow Overall sequence Detailed flow 1.Get information for symptom Get the detailed information from the customer about the symptom (the condition and the ...

Other materials:

P0643 Sensor power supply
Description ECM supplies a voltage of 5.0 V to some of the sensors systematically divided into 2 groups, respectively. Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously in the sensors belonging to the same group as the shorted-circui ...

Symptom diagnosis
Combination switch system symptoms Symptom Table Perform the data monitor of consult to check for any malfunctioning item. Check the malfunction combinations. Identify the malfunctioning part from the agreed combination and repair or replace the part. ...

CONSULT Data Link Connector (DLC) Circuit
Inspection procedure If the CONSULT cannot diagnose the system properly, check the following items. Symptom Check item CONSULT cannot access any system. CONSULT DLC power supply circuit (Terminal 8 and 16) and ground circuit (Terminal 4 and 5) ...