Power-off and power-on of low-voltage electrical system

Warning

  • Before repairing any components of the low-voltage electrical system, power off the system according to the following requirements, and power on it after repair, unless otherwise specified in the operating procedure.

  • If tools or equipment are easy to contact the electrode terminals of 12 V battery and cable connectors, it is also necessary to power off the low-voltage electrical system.

  • Violation against the above safety instructions may result in personal injury or vehicle damage.

Power off the low-voltage electrical system

  1. Power off the vehicle.

  2. Rotate and fold the rear seat cushion upward.

  3. Uncover the reserved opening of carpet assembly.

  4. Loosen 1 fixing nut and detach the 12 V battery negative harness from the 12 V battery.

    Caution

    After the negative cable joint is disconnected, the negative terminal of 12 V battery must be insulated and packaged to prevent it from contacting other metals in the vehicle and causing circuit safety hazards.

Power-on of low-voltage electrical system

  1. Before power-on, make sure that electrical circuits of the vehicle are well connected and there is no flammable or explosive article near the negative terminal of 12 V battery.

  2. After installing the negative cable joint of 12 V battery, power on the vehicle (OK mode), and check that the electric appliances of the vehicle are functioning normally. In this case, the low-voltage electrical system of the vehicle has been powered on.

    Caution

    A low 12 V battery may cause the failure of the low-voltage electrical system to be powered on properly. In this case, check whether the 12 V battery is low, and power on the low-voltage electrical system again.

  3. Install other components in the reverse order of removal.