Mazda 6 2002 - Dtc P0102

ON-BOARD DIAGNOSTIC
F83
F
End Of Sie
DTC P0102
A6E397001084W09
10 VERIFY TROUBLESHOOTING OF DTC P0101
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Turn ignition key to ON (Engine OFF).
• Clear DTC from memory using WDS or
equivalent.
• Start the engine.
• Warm up engine until ECT PID is above 80 °
°°
°C
{176 °
°°
°F}.
• Drive the vehicle while RPM PID 2,000 rpm for
50 s.
• Is pending code the same as DTC present?
Yes Replace PCM, then go to next step.
(See F43 PCM REMOVAL/INSTALLATION.)
No Go to next step.
11 VERIFY AFTER REPAIR PROCEDURE
• Is there any DTC present?
Yes Go to applicable DTC troubleshooting.
(See F67 DTC TABLE.)
No Troubleshooting completed.
STEP INSPECTION ACTION
DTC P0102 MAF circuit low input
DETECTION
CONDITION
• PCM monitors input voltage from MAF sensor when engine running. If input voltage at PCM terminal 1P is
below 0.21 V, PCM determines that MAF circuit has malfunction.
Diagnostic support note
• This is a continuous monitor (CCM).
• MIL illuminates if PCM detects the above malfunction condition during first drive cycle.
• PENDING CODE is available if PCM detects the above malfunction condition.
• FREEZE FRAME DATA is available.
• DTC is stored in the PCM memory.
POSSIBLE
CAUSE
• MAF sensor malfunction
• Connector or terminal malfunction
• Short to ground in wiring between MAF/IAT sensor terminal C and PCM terminal 1P
• Open circuit in wiring between MAF/IAT sensor terminal C and PCM terminal 1P
• Open circuit in wiring between main relay and MAF/IAT sensor terminal A