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  Electrical - Electronic Component Damage Prevention  
 

Classification: EL09-011

Reference: NTB09-030

Date: April 6, 2009

ELECTRONIC CONTROL UNIT DAMAGE CAN RESULT FROM IMPROPER BATTERY CONNECTION

APPLIED VEHICLES:
All Nissan

SERVICE INFORMATION

^ The vehicle 12 volt battery is an important part of the vehicle electrical system and is required to stay connected when the engine is running.

^ To prevent damage to vehicle electronic components follow the instructions / cautions below.

IMPORTANT:
Damage to electronic components (ECM, TCM, BCM, etc.) due to improper battery connection will not be covered under warranty.

CAUTION:
^ Make sure the ignition is OFF during battery service and replacement.

^ Do not disconnect or connect any battery cables while the ignition switch is turned ON.

^ When disconnecting a battery, always disconnect the negative cable first.

^ When connecting a battery, always connect the positive cable first.

^ Do not leave a battery cable loose. Tighten battery cables immediately after attachment.

^ If a battery cable is loose, do not operate any electrical loads. (This includes turning the ignition ON, starting the engine, operating accessories such as the A/C system, power seats, interior lights, exterior lights etc.).

^ When "jump starting" or "boosting" a battery - be careful. Don't accidentally reverse the polarity of the cables.

  

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