Adjust the engine idle speed periodically on the engine at normal operating temperature.
To adjust the idle speed:

Engine oil and filter change
Throtile cable playSpecifications
Service data
Drive train
unit: mm (in) except ratio
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Drive chain related components”
Reference: for the tightening torque of fastener not specified in this
section ...
Precautions
Precautions for driveline / axle
Refer to “general precautions” in section 00 (page 00-1).
Never inspect or
adjust the drive chain while the engine is running.
Caution
do not use trichloroethylene, gasoline or such similar
solvent. These fluids will d ...
Cooling fan relay inspection
Inspect the fan relay in the following procedures:
remove the frame covers. Refer to “exterior parts
removal and installation” in section 9d (page 9d-
6).
Remove the cooling fan relay (1).
First check the insulation between “a” and “b”
terminals with tester. Then ap ...