Mazda 3 Service Manual: Barometric Pressure (Baro) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection
NOTE:
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Because the BARO sensor is integrated in the PCM, replacing the BARO sensor includes replacement of the PCM.
1. Connect the M-MDS to the DLC–2.
2. Switch the ignition to ON.
3. Verify that the BARO sensor output voltage (PID: BARO) is within the specification..
-
If not as specified, replace the PCM..
Air Bag Module And Pre Tensioner Seat Belt Deployment Procedures [Two Step Deployment
Control System]
WARNING:
A live (undeployed) air bag module or pre-tensioner seat belt may accidentally
operate (deploy) when it is disposed of and cause serious injury. Do not dispose
of a live (undepl ...
Clock Spring Inspection [Standard Deployment Control System]
1. Disconnect the negative battery cable..
2. Remove the driver–side air bag module..
3. Remove the steering wheel..
4. Remove the column cover.
5. Remove the clock spring..
6. Verify that t ...
Other materials:
Brake/Clutch Fluid
Inspecting Brake/Clutch Fluid Level
WARNING
If the brake/clutch fl uid level is low, have
the brakes inspected:
A low brake/clutch fl uid level is
dangerous.
A low level could indicate brake lining
wear or a brake system leak which
could cause the brakes to fail and lead ...
Turn and Lane-Change Signals
The ignition must be switched ON to use
the turn and lane-change signals.
Turn Signals
Move the signal lever down (for a left
turn) or up (for a right turn) to the stop
position. The signal will self-cancel after
the turn is completed.
If the indicator light continues to flash
after a turn ...
PCM Inspection [Mzr 2.0, Mzr 2.5]
Using M-MDS
NOTE:
PIDs for the following parts are not available on this model. Go to the appropriate
part inspection page.
CMP sensor
Main relay
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Measure the PID value.
...