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 installationSds check
Using sds, sample the data at the time of new and periodic vehicle
inspections.
After saving the sampled data in the computer, file them by model and by user.
The periodically filed data help improve the accuracy of troubleshooting since
they can indicate the condition of vehicle
function ...
Stp sensor adjustment
Adjust the stp sensor in the following procedures:
remove the air cleaner box cover. Refer to “air cleaner element removal
and installation” in section 1d .
Disconnect the stva lead wire coupler (1).
Insert the needle pointed probes to the stp sensor
coupler (between y/w a ...
Ecm / various sensors
Since each component is a high-precision part, great
care should be taken not to apply any severe impacts
during removal and installation.
Be careful not to touch the electrical terminals of the
electronic parts (ecm, etc.). The static electricity from
your body may damage them. ...