Touch all electrical cables and connections of control devices - and also disconnect or connect them only when the ignition is off.
knock sensor (arrow) with a 5-cylinder engine (left), like the 4-cylinder engine, is located on the left side of the engine. Models with 6-cylinder engine (on right) There are two knock sensors, one each on the right and one on the top left below the exhaust manifold. Important: The knock sensor mounting bolt must be tightened to exactly 20 Nm, otherwise the sensor will not work.
Disconnect the battery only when the ignition is off.
If you just need to crank the engine with a starter without starting, then you should turn off the ignition system (see next section).
Before washing the engine, turn off the ignition system.
To start the engine with a discharged battery using a booster charger, it can be connected for no longer than one minute, and the voltage should not exceed 16.5 V.
If there is an obvious or suspected defect in the ignition system, it is necessary to turn off the ignition system when towing the car (see next section).
A capacitor must not be connected to terminal 1/- of the ignition coil.
The ignition distributor slider cannot be replaced by the first one that comes across, its resistance is 1 kOhm and the designation «R1» (models with 4- and 5-cylinder engines).
Use with high-voltage thick wires of the ignition system only resistance 1 kOhm (models with 4- and 5-cylinder engines).
Only use spark plug connectors with a resistance of 5 kΩ.
When carrying out electric welding in a vehicle, the battery cables must be disconnected.
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