Note
Operation Test
Carry out the Idle Air Control Inspection. (See Idle Air Control System Inspection.)
Resistance Inspection
1. Disconnect the negative battery cable.
2. Disconnect the IAC valve connector.
3. Measure the resistance between the IAC valve terminals using an ohmmeter.
Specification
Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION.)
2. Inspect the following wiring harnesses for open or short (continuity check).
Open circuit
- IAC valve terminal A (harness-side) and PCM terminal 4G
- IAC valve terminal B (harness-side) and PCM terminal 4J
Short circuit
- IAC valve terminal A (harness-side) and power supply
- IAC valve terminal A (harness-side) and GND
- IAC valve terminal B (harness-side) and power supply
- IAC valve terminal B (harness-side) and GND
Mazda 6 Service Manual: DSC OFF Switch
Press the DSC OFF switch to turn off the TCS/DSC. The DSC OFF indicator light
in the instrument cluster will illuminate.
Press the switch again to turn the TCS/ DSC back on. The DSC OFF indicator light
will turn off.
NOTE
When DSC is on and you attempt to free the vehicle when it is stuc ...
Mazda 6 Service Manual: Battery inspection
Battery
Inspect the battery in the following procedure.
Test load chart
Battery positive voltage with load
Back-up Current
1. Verify that the engine switch is at OFF and that the key has been removed.
2. Disconnect the negative battery cable.
3. Measure the back-up current between the n ...