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Home >> Mazda >> 2006 >> 5 Touring, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System L3) >> DTC P0107 >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has FREEZE FRAME DATA been recorded?
 Yes Go to the next step.
No Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-line repair information availability.
  • Is any related repair information available?
 Yes Perform repair or diagnosis according to the available repair information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 VERIFY MAP PID WHEN MAP SENSOR CONNECTOR IS DISCONNECTED 
  • Connect the WDS or equivalent to DLC-2.
  • Access MAP PID.
  • Disconnect the MAP sensor connector.
  • Is the voltage above 4.9 V? 
 Yes Go to the next step.
No Go to Step 5.
4 INSPECT POWER SUPPLY CIRCUIT VOLTAGE AT MAP SENSOR CONNECTOR 
NOTE:
  • If DTC P0122 and P2228 are also retrieved with P0107, go to CONSTANT VOLTAGE troubleshooting procedure. .
  • Turn the ignition switch to the ON position (Engine off).
  • Measure the voltage between MAP sensor terminal C and body ground.
  • Is the voltage within 4.5-5.5 V? 
 Yes Inspect for poor connection at MAP sensor terminal C.
  • Repair or replace the terminal if necessary.
  • If there is no malfunction, replace the MAP sensor.

Then go to Step 7.
No Inspect for open circuit in wiring harness between PCM terminal 2W and MAP sensor terminal C.
Repair or replace suspected wiring harness, then go to Step 7.
5 INSPECT MAP SENSOR SIGNAL CIRCUIT FOR SHORT TO GROUND 
  • Turn the ignition switch off.
  • Disconnect the PCM connector.
  • Inspect for continuity between MAP sensor terminal D and body ground.
  • Is there continuity?
 Yes Repair or replace the wiring harness, then go to Step 7.
No Go to the next step.
6 INSPECT MAP SENSOR SIGNAL AND GROUND CIRCUIT FOR SHORT EACH OTHER 
  • Inspect for continuity between MAP sensor terminals D and A.
  • Is there continuity?
 Yes Repair or replace the wiring harness, then go to the next step.
No Go to the next step.
7 VERIFY TROUBLESHOOTING OF DTC P0107 COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Turn the ignition switch to the ON position. (Engine off)
  • Clear the DTC from the memory using the WDS or equivalent.
  • Start the engine.
  • Is the same DTC present?
 Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION ).
No Go to the next step.
8 VERIFY AFTER REPAIR PROCEDURE  Yes Go to the applicable DTC troubleshooting.
(See DTC TABLE ).
No Troubleshooting completed.
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