Dtc P0108 - Mazda 2002 6 Workshop Manual

STEP
5 INSPECT MAP SENSOR SIGNAL AND
GROUND CIRCUIT FOR SHORT EACH OTHER
• Check continuity between MAP sensor
terminals D and A (harness-side).
• Is there continuity?
6 VERIFY TROUBLESHOOTING OF DTC P0107
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Turn ignition key to ON (Engine OFF).
• Clear DTC from memory using WDS or
equivalent.
• Perform KOEO/KOER self-test.
(See F–66 KOEO/KOER
• Is same DTC present?
7 VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
(See F–66 AFTER REPAIR
• Is there any DTC present?
End Of Sie

DTC P0108

DTC P0108 MAP sensor circuit high input
• PCM monitors input voltage from MAP sensor when intake air temperature is above 10 °C {50 °F}. If input
voltage at PCM terminal 1J is above 4.9V, PCM determines that MAP sensor circuit has malfunction.
Diagnostic support note
• This is a continuous monitor (CCM).
DETECTION
• MIL illuminates if PCM detects the above malfunction condition during first drive cycle.
CONDITION
• PENDING CODE is available if PCM detects the above malfunction condition.
• FREEZE FRAME DATA is available.
• DTC is stored in the PCM memory.
• MAP sensor malfunction
• Connector or terminal malfunction
• Open circuit in wiring between MAP sensor terminal A and PCM terminal 2H
POSSIBLE
• Open circuit in wiring between MAP sensor terminal D and PCM terminal 1J
CAUSE
• MAP sensor signal circuit shorts to constant voltage supply circuit
• PCM malfunction
F–88
ON-BOARD DIAGNOSTIC
INSPECTION
SELF-TEST.)
PROCEDURE.)
Yes Repair or replace suspected harness, then go to next step.
No Go to next step.
Yes Replace PCM, then go to next step.
(See F–43 PCM REMOVAL/INSTALLATION.)
No Go to next step.
Yes Go to applicable DTC troubleshooting.
(See F–67 DTC TABLE.)
No Troubleshooting completed.
ACTION
A6E397001084W12