Mazda 3 Workshop Manual page 289

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
POSSIBLE CAUSE
Diagnostic procedure
STEP
VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
1
• Has FREEZE FRAME DATA been recorded?
Downloaded from
• The MIL illuminates if the PCM detects the above malfunction condition
during first drive cycle.
• PENDING CODE is available if the PCM detects the above malfunction
condition.
• FREEZE FRAME DATA is available.
• The DTC is stored in the PCM memory.
• IAT sensor malfunction
• Open circuit in wiring harness between MAF/IAT sensor terminal D and
PCM terminal 1AH
• Short to power supply in wiring harness between MAF/IAT sensor terminal
D and PCM terminal 1AH
• Open circuit in wiring harness between MAF/IAT sensor terminal E and
PCM terminal 1AA
• Poor connection at MAF/IAT sensor or PCM connector
• PCM malfunction
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.
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