See also:

Idle Speed Control Valve (ISCV) - removal, cleaning and refitting
Removal 1 Disconnect the battery negative lead. 2 Disconnect the valve wiring plug (see illustration). 12.2 Idle speed control valve - 1.6 EFI engine A Wiring plug B Securing bolts 3 Unscrew t ...

Internal connection details, all models
Internal connection details, all models ...

Fluid leak check (Every 6000 miles (10 000 km) or 6 months)
1 Visually inspect the engine joint faces, gaskets and seals for any signs of water or oil leaks. Pay particular attention to the areas around the rocker cover, cylinder head, oil filter and sump ...