Precaution

PRECAUTIONS

Precaution






-Before connecting or disconnecting the transfer control unit harness connector, turn ignition switch "OFF" and disconnect the battery cables. Battery voltage is applied to transfer control unit even if ignition switch is turned "OFF".





-When connecting or disconnecting pin connectors into or from transfer control unit, take care not to damage pin terminals (bend or break).
When connecting pin connectors make sure that there are not any bends or breaks on transfer control unit pin terminals.





-Before replacing transfer control unit, perform transfer control unit input/output signal inspection and make sure transfer control unit functions properly. Pinout Values and Diagnostic Parameters.