NOTE - Before you remove or install any of the elements of the system, consider the fault codes, then disconnect the negative lead "-" battery. - Before you disconnect the negative battery cable, turn off the ignition. Disconnecting or connecting the battery wires with the engine running or the ignition is switched on can cause damage to the engine control unit. - Heated oxygen sensor is connected to the computer shielding wire screens which are connected to "weight" the body to protect against interference from the ignition system and interference. If damaged, replace the wire screens. - When checking the load generator does not disconnect the wire from the positive terminal "+" of the battery to prevent damage to the high voltage control unit. - When the battery is being charged from an external source to disconnect it from the negative lead, so as not to damage the computer. |