Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
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• This is a continuous monitor (CCM).
• The MIL illuminates if the PCM detects the above malfunction conditions in
two consecutive drive cycles or in one drive cycle while the DTC for the
same malfunction has been stored in the PCM.
• PENDING CODE is available if the PCM detects the above malfunction
condition during first drive cycle.
• FREEZE FRAME DATA is available.
• The DTC is stored in the PCM memory.
• EGR valve malfunction
• Connector or terminal malfunction
• Short to power supply in wiring harness between EGR valve terminal E and
PCM terminal 2AU
• Short to power supply in wiring harness between EGR valve terminal A and
PCM terminal 2AR
• Short to power supply in wiring harness between EGR valve terminal B and
PCM terminal 2AY
• Short to power supply in wiring harness between EGR valve terminal F and
PCM terminal 2AV
• Short to ground circuit in wiring harness between EGR valve terminal E and
PCM terminal 2AU
• Short to ground circuit in wiring harness between EGR valve terminal A and
PCM terminal 2AR
• Short to ground circuit in wiring harness between EGR valve terminal B and
PCM terminal 2AY
• Short to ground circuit in wiring harness between EGR valve terminal F and
PCM terminal 2AV
• Open circuit in wiring harness between EGR valve terminal E and PCM
terminal 2AU
• Open circuit in wiring harness between EGR valve terminal A and PCM
terminal 2AR
• Open circuit in wiring harness between EGR valve terminal B and PCM
terminal 2AY
• Open circuit in wiring harness between EGR valve terminal F and PCM
terminal 2AV
• Open circuit in wiring harness between main relay terminal D and EGR
valve terminal C
• Open circuit in wiring harness between main relay terminal D and EGR
valve terminal D
• PCM malfunction
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