1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VTCS shutter valve actuator.

3. Connect a vacuum pump to the VTCS shutter valve actuator.
4. Apply vacuum and verify that the rod moves.

Variable intake-air system (vis) control solenoid valve inspection (l3)
Variable tumble control solenoid valve inspectionMazda 6 Service Manual: Radar Sensor (Front) (Some models)
Your vehicle is equipped with a radar sensor (front).
The following systems also use the radar sensor (front).
Distance Recognition Support System (DRSS)
Mazda Radar Cruise Control (MRCC)
Smart Brake Support (SBS)
The radar sensor (front) functions by detecting the radio waves reflected ...
Mazda 6 Service Manual: Transaxle fluid temperature (tft) sensor removal/installation
Warning
When the transaxle and ATF are hot, they can badly burn. Turn off
the engine and wait until they are cool before replacing the ATF.
1. Remove the oil pan. (See CONTROL VALVE BODY REMOVAL.)
2. Disconnect the TFT sensor connector.
3. Remove the TFT sensor.
4. Install a TFT senso ...