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PRECAUTIONS EC-25 [VQ35DE] C D E F G H I J K L M A EC Precaution NBS004RZ ● Always use a 12 volt battery as power source. ● Do not attempt to disconnect battery cables while engine is ● Before connecting or disconnecting the ECM harness con- ● Before removing parts, turn ignition switch OFF and then ● Do not disassemble ECM. ● If a battery cable is disconnected, the memory will return to ● If the battery is disconnected, the following emission- – Diagnostic trouble codes – 1st trip diagnostic trouble codes – Freeze frame data – 1st trip freeze frame data – System readiness test (SRT) codes – Test values ● When connecting ECM harness connector, fasten (B) it – ECM (1) – Loosen (A) ● When connecting or disconnecting pin connectors into or ● Securely connect ECM harness connectors. ● Keep engine control system harness at least 10 cm (4 in) ● Keep engine control system parts and harness dry. SEF289H PBIB1164E PBIB2714E PBIB0090E |