Nissan Sentra Service Manual: Wiring diagram

ECU diagnosis information

EPS control unit Reference Value VALUES ON THE DIAGNOSIS TOOL The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, r ...

Basic inspection

Diagnosis and repair workflow Work Flow Detailed flow 1.Interview from the customer Clarify customer complaints before inspection. First of all, perform an interview utilizing stc-20, "dia ...

Other materials:

Ecm branch line circuit
Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ECM for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? YES > ...

Symptom diagnosis
OVERHEATING CAUSE ANALYSIS Troubleshooting Chart   Symptom Check items Cooling system parts malfunction Poor heat transfer Water pump malfunction Worn or loose drive belt — Thermostat stuck closed Engine coolant circulation Da ...

P0603 ECM
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0603 ECM BACK UP CIRCUIT [Internal control module keep alive memory (KAM) error] Malfunction in the internal back up RAM o ...