Nissan Sentra Service Manual: Removal and installation

Nissan Sentra Service Manual / Engine / Engine control system / Removal and installation

Ecm

Exploded View

ECM bracket
ECM
Engine mounting insulator bracket

Removal and Installation

CAUTION:

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

REMOVAL

Remove battery. Refer to PG-50, "Removal and Installation (Battery)".
Disconnect ECM harness connectors. Refer to PG-42, "Description".
Remove the fuse box bracket from the ECM bracket.
Remove the ECM bracket from the engine mounting LH, together with ECM.
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:

Wheel alignment
Inspection PRELIMINARY INSPECTION WARNING: Always adjust the wheel alignment with the vehicle on a flat surface. NOTE: If the wheel alignment is out of specification, inspect and replace any damaged or worn rear suspension parts before making any adjustments. Check and adjust the wheel ...

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as вЂњAIR BAGвЂќ and вЂњSEAT BELT PRE-TENSIONERвЂќ, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system ...

P1551, P1552 Battery current sensor
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P1551 BAT CURRENT SENSOR (Battery current sensor) An excessively low voltage from the sensor is sent to ECM. Harness or ...