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Ground Terminal Removal Or Installation

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the ground terminal from battery sensor.
    G14610201Courtesy of SUBARU OF AMERICA, INC.
    NOTE:

    Open the trunk as necessary before disconnecting the ground terminal from the battery sensor. 

  2. Connect the ground terminal to battery sensor.
    NOTE:
    • Install the battery sensor while holding it by hand to prevent rotating. 
    • Clean the battery cable terminals and apply anti-rust grease to retard the formation of corrosion. 
    • Connect the positive terminal of the battery, and then connect the ground terminal to the battery sensor. 
    • Some DTCs may be detected, so after connecting the ground terminal to the battery sensor, wait for 10 seconds or more and then turn the ignition switch to ON. 
    • After the battery is installed, initial diagnosis of the electronic throttle control is performed. Wait for 10 seconds or more after turning the ignition switch to ON, and then start the engine. 
    • For battery replacement procedures, refer to "Battery" of "STARTING/CHARGING SYSTEMS". Ref. to  STARTING/CHARGING SYSTEMS (H4DOTC)>BATTERY 

    Tightening torque: 

    7.5 N.m (0.8 kgf-m, 5.5 ft-lb)