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Home >> Mazda >> 2004 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System AJ] >> Intermittent Concern Troubleshooting >> Water Sprinkling Method
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Water Sprinkling Method

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

CAUTION:
  • Indirectly change the temperature and humidity by spraying water onto the front of then 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.
  1. Connect WDS or equivalent to DLC-2 if you are inspecting sensors or switches.
  2. Turn ignition key to ON (Engine OFF)
    NOTE:
    • If engine starts and runs, perform the following steps at idle.
  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 as necessary.
      Fig 1: Spraying Water On Vehicle
      G00993582Courtesy of MAZDA MOTORS CORP.