Dtc P0102 - Mazda 6 2002 Workshop Manual

STEP
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?
11 VERIFY AFTER REPAIR PROCEDURE
• Is there any DTC present?
End Of Sie

DTC P0102

DTC P0102 MAF circuit low input
• 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
DETECTION
• This is a continuous monitor (CCM).
CONDITION
• 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.
• MAF sensor malfunction
• Connector or terminal malfunction
POSSIBLE
• Short to ground in wiring between MAF/IAT sensor terminal C and PCM terminal 1P
CAUSE
• 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
ON-BOARD DIAGNOSTIC
INSPECTION
Yes Replace PCM, then go to net step.
(See F–43 PCM REMOVAL/INSTALLATION.)
No Go to net step.
Yes Go to applicable DTC troubleshooting.
(See F–67 DTC TABLE.)
No Troubleshooting completed.
ACTION
A6E397001084W09
F–83
F