Loosen the screws and remove the ventilation chamber cover located at the rear of the engine compartment.
Unscrew the four mounting screws and remove the electronic unit casing.
Fig. 18–3. Location of electronic control units in the engine compartment: 1 – cruise control system control unit; 2 – engine control unit; 3 – Automatic transmission control unit
If necessary, disconnect the electrical connectors and remove the required unit (Fig. 18–3).
Fig. 18–4 Using special tool 1922 to disconnect the ECU connectors in the engine compartment
To disconnect the connectors, use special tool 1922 (Fig. 18–4).
Installation is carried out in the reverse order of removal.
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