Mazda 3 Workshop Manual page 230

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 CIRCUIT FOR
SHORT TO GND
• Turn the ignition switch off.
4
• Inspect for continuity between the following
terminals:
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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 GND, then go to Step 8.
No Go to the next step.
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