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: Wheel hub bolt replacement
1. Remove the hub bolt using the SSTs.
Note
If the dust cover interferes with the wheel hub bolt and the wheel
hub bolt cannot be removed, tap the part shown in the figure with a chisel
lightly and bend the processing point back to the steering knuckle side.
2. Install the hub bolt i ...
Mazda 6 Service Manual: Oil pressure switch inspection
Caution
Water or foreign objects entering the connector can cause poor
connection or corrosion. Be sure not to drop water or foreign objects on the
connector when disconnecting it.
On-vehicle Inspection (harness inspection)
1. Disconnect the negative battery cable.
2. Remove the under ...