Mazda 3 Workshop Manual page 233

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
Diagnostic procedure
STEP
VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
1
• Has FREEZE FRAME DATA been recorded?
VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Verify related service repair information
2
availability.
• Is any related repair information available?
INSPECT BARO SENSOR CONNECTOR FOR
POOR CONNECTION
• Turn the ignition switch off.
• Disconnect the BARO sensor connector.
3
• Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
• Is there any malfunction?
INSPECT BARO SENSOR SIGNAL CIRCUIT
FOR SHORT TO POWER SUPPLY
4
• Turn the ignition switch to the ON position
(Engine off).
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INSPECTION
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ACTION
Yes Go to the next step.
Record the FREEZE FRAME DATA on the
No
repair order, then go to the next step.
Perform repair or diagnosis according to
the available repair information.
Yes
• If the vehicle is not repaired, go to the
next step.
No Go to the next step.
Repair or replace the terminal, then go to
Yes
Step 8.
No Go to the next step.
Repair or replace the wiring harness for a
Yes possible short to power supply, then go to
Step 8.
No Go to the next step.
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