Nissan Sentra manuals

Nissan Sentra Service Manual: Removal and installation

Ecm

Exploded View


  1. ECM bracket
  2. ECM
  3. Engine mounting insulator bracket

Removal and Installation

CAUTION:

Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to EC-135, "Work Procedure".

REMOVAL

  1. Remove battery. Refer to PG-50, "Removal and Installation (Battery)".
  2. Disconnect ECM harness connectors. Refer to PG-42, "Description".
  3. Remove the fuse box bracket from the ECM bracket.
  4. Remove the ECM bracket from the engine mounting LH, together with ECM.
  5. Remove ECM mounting nuts, and then remove ECM.

INSTALLATION

Install in the reverse order of removal.

Positive crankcase ventilation
Inspection 1.CHECK PCV VALVE With engine running at idle, remove PCV valve from rocker cover. A properly working valve makes a hissing noise as air passes through it. A strong vacuum should be fel ...

Service data and specifications (SDS)
Idle speed *: Under the following conditions A/C switch: OFF Electric load: OFF (Lights, heater fan & rear window defogger) Steering wheel: Kept in straight-ahead position Ignition ...

Other materials:

Can communication circuit
Diagnosis procedure 1.Connector inspection Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on CAN communication system. Check terminals and connectors for damage, bend and loose connection. Is the inspection resu ...

Washer fluid level switch circuit
Description Transmits the washer level switch signal to the combination meter. Diagnosis procedure Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram". 1.Check washer level switch signal circuit Turn ignition switch off. Disconnect combination meter connecto ...

Precaution for work
When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth. When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a ...

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