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

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes

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 engine starts and runs, perform the following steps during 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 excessively 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 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 during idle.
3. Access PIDs for sensor or switch if 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.
Downloaded from https://carmanualshub.com/ - automotive repair manuals website