1. Remove the VAD 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
- VAD control solenoid valve terminal B (harness-side) and PCM terminal 4C
- VAD control solenoid valve terminal A (harness-side) and main relay terminal C (harness-side)
Short circuit
- VAD control solenoid valve terminal B (harness-side) and body GND
- VAD control solenoid valve terminal A (harness-side) and power supply
Mazda 6 Service Manual: Rear map light removal/installation
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
Rear Map Light Removal Note
1. Insert a tape-wrapped flathead screwdriver into the gap between the
headliner and the rear map light.
2. Push the hooks to re ...
Mazda 6 Service Manual: High Beam Control System (HBC) (Some models)
The High Beam Control System (HBC) determines the conditions in front of the
vehicle using the Forward Sensing Camera (FSC) while driving in darkness to automatically
switch the headlights between high and low beams.
Refer to Warning/Indicator Lights.
While driving the vehicle at a speed of ab ...