1. Remove the VIS 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
- VIS control solenoid valve terminal A (harness-side) and PCM terminal 4R
- VIS control solenoid valve terminal B (harness-side) and main relay terminal C (harness-side)
Short circuit
- VIS control solenoid valve terminal A (harness-side) and body GND
- VIS control solenoid valve terminal B (harness-side) and power supply
Mazda 6 Service Manual: Transmitter battery inspection
Caution
Since the battery voltage does not drop fully if the button is
pushed for only 4 seconds or less, it can not be properly examined to see
whether it is good or bad. Always push the button for 5 seconds.
Note
A correct measurement can not be obtained if the battery
temperat ...
Mazda 6 Service Manual: Inspecting Electrolyte Level
A low level of electrolyte fluid will cause the battery to discharge quickly.
Inspect the electrolyte level at least once a week. If it is low, remove the
caps and add enough distilled water to bring the level between the upper and lower
level (illustration).
Do not overfill.
Examine the sp ...