Inspection Method For Actuators Or Relays; Water Sprinkling Method - Mazda RX-8 Workshop Manual

If the engine starts and runs, perform the following steps at idle.
3. Access the PIDs for the switch you are inspecting.
4. Vibrate the sensor slightly with your finger.
If the PID value is unstable or malfunction occurs, check for poor connection or
poorly mounted sensor or both.

Inspection Method for Actuators or Relays

1. Connect the M-MDS to the DLC-2.
2. Turn the ignition switch to the ON position (engine off).
NOTE:
If the engine starts and runs, perform the following steps at idle.
3. Prepare the output state control function for actuators or relays that you are inspecting.
4. Vibrate the actuator or relay with your finger for 3 s after output state control function is
activated.
If a variable click sound is heard, check for poor connection or poorly mounted
actuator or both, or the relay.
NOTE:
Moving the relays too strongly may result in open relays.

Water Sprinkling Method

CAUTION:
Indirectly change the temperature and humidity by spraying water onto the front of the
radiator.
If a vehicle is subject to water leakage, the leakage may damage the control module.
When testing a vehicle with a water leakage problem, special caution must be used.
If the malfunction occurs only during high humidity or rainy/snowy weather, perform the following steps: