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Home >> Mazda >> 2004 >> MX-5 Miata Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting (Engine Control System BP, BP With TC] >> Intermittent Concern Troubleshooting >> Water Sprinkling Method

Water Sprinkling Method

If malfunction occurs only during high humidity or rainy/snowy weather, perform the following steps.

CAUTION:
  • Change the temperature and humidity indirectly 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 taken.
  1. Connect WDS or equivalent to DLC-2 if you are inspecting sensors or switches.
  2. Turn the ignition switch to the ON position (Engine off).
    NOTE:
    • If engine starts and runs, perform the following steps while idling engine.
  3. Access PIDs for sensor or switch if you are inspecting sensors or switches.
  4. If you are inspecting the switch, turn it on manually.
  5. Spray water onto the vehicle or run it through a car wash.
    • If PID value is unstable or malfunction occurs, repair or replace part.
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