Inspection Method For Actuators Or Relays; Water Sprinkling Method - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
3. Access PIDs for the switch you are inspecting.
4. Vibrate the sensor slightly with your finger.
• If PID value is unstable or malfunction occurs, check for poor connection and/or poorly mounted
sensor.

Inspection Method for Actuators or Relays

1. Connect the WDS or equivalent 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 for actuators or relays that you are inspecting.
4. Vibrate the actuator or relay with your finger for 3 s are Output State Control is activated.
• If variable click sound is heard, inspect for poor connection and/or poorly mounted actuator or
relay.
Note
• Vibrating 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 malfunction occurs only during high humidity or rainy/snowy weather, perform the following steps.
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 the engine starts and runs, perform the following steps at idle.
3. Access PIDs for sensor or switch if you are inspecting sensors or switches.
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