Visually inspect the isc valve if necessary.

Throttle body inspection and cleaning
Throttle valve synchronizationClutch cable play inspection and adjustment
Inspect clutch cable play
every 6 000 km (4 000 miles, 12 months)
Inspect and adjust the clutch cable play “a” as follows.
Clutch cable play “a”
10 – 15 mm (0.4 – 0.6 In)
Lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
  ...
Engine coolant temperature indicator light inspection
Inspect the engine coolant temperature meter and indicator light (led) in the
following procedures:
remove the left side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Disconnect the ect sensor coupler (1).
Connect a variable resistor (2) ...
Open circuit check
Possible causes for the open circuit are as follows. As
the cause can exist in the connector/coupler or terminal,
they need to be checked carefully.
Loose connection of connector/coupler.
Poor contact of terminal (due to dirt, corrosion or rust,
poor contact tension, entry of f ...