Inspect the fan relay in the following procedures:

If there is no continuity, replace it with a new one.
Special tool
: 09900–25008 (multi circuit tester
set)
Tester knob indication set
continuity test (
)

Ect sensor removal and installation
Refer to “ect sensor removal and installation” in section 1c .
Ect sensor inspection
Refer to “ect sensor inspection” in section 1c .
Cooling fan inspection
Thermostat removal and installationDiagnostic information and procedures
Drive chain and sprocket symptom diagnosis
Condition
Possible cause
Correction / reference item
Noisy drive chain
Worn sprocket
Replace
Worn drive chain
Replace
Stretched drive chain
Replace
Too large drive chain slack
Adju ...
Piston and piston ring inspection
Refer to “piston ring removal and installation” .
Piston diameter
Measure the piston diameter using the micrometer at 15
mm (0.6 In) “a” from the skirt end. If the piston diameter
is less than the service limit, replace the piston.
Special tool
(a): 09900–20203 (micrometer (50 –
75 mm))
Pis ...
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 ...