Mazda 3 Workshop Manual page 287

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 IAT SENSOR TERMINAL
• Turn the ignition switch off.
• Disconnect the MAF/IAT sensor connector.
3
• Inspect for bent terminal of MAF/IAT sensor
terminals D and E (part-side).
• Is there any malfunction?
CLASSIFY IAT SENSOR MALFUNCTION OR
WIRING HARNESS MALFUNCTION
4
• Connect the WDS or equivalent to DLC-2.
• Access IAT PID.
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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 7.
No Go to the next step.
Replace the MAF/IAT sensor, then go to
Yes
Step 7.
No Go to the next step.
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