1. Remove the variable tumble control solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Inspect airflow between the ports under the following conditions.


Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION.)
2. Inspect the following wiring harness for open or short (continuity check).

Open circuit
- Variable tumble control solenoid valve terminal B (harness-side) and PCM terminal 4T
- Variable tumble control solenoid valve terminal A (harness-side) and main relay terminal C (harness-side)
Short circuit
- Variable tumble control solenoid valve terminal B (harness-side) and body GND
- Variable tumble control solenoid valve terminal A (harness-side) and power supply
Variable tumble control system (vtcs) shutter valve actuator inspection
Accelerator pedal removal/installationMazda 6 Service Manual: Manual transaxle removal/installation
1. Remove the battery, battery tray and battery bracket.
2. Remove the air cleaner compornent. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
3. Remove the wheels, tires and splash shields.
4. Remove the under cover.
5. Remove the steering gear and power steering pipe. (See STEERING GEAR AND
...
Mazda 6 Service Manual: System Canceling
When the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS)
is turned off, press the Lane-keep Assist System (LAS) & Lane Departure Warning
System (LDWS) OFF switch.
The Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) OFF
indicator light tu ...