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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 333 (On-Board Diagnostic (Engine Control System (L3)) >> DTC P0107 >> Diagnostic procedure

Diagnostic procedure

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0107 [L3] 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 Recorded FREEZE FRAME DATA on repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Check for related Service Bulletins and/or online 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 
  • Disconnect MAP sensor connector.
  • Is 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:
  • Turn ignition switch to ON (Engine off).
  • Measure voltage between MAP sensor terminal C (harness-side) and body ground.
  • Is voltage within 4.5-5.5 V? 
 Yes Check for poor connection of MAP sensor terminal C (harness-side).
  • Repair or replace terminal if necessary.
  • If normal, replace MAP sensor

Then go to Step 7.
No Check for open circuit between PCM terminal 33(1), 2K(2) (harness-side) and MAP sensor terminal C (harness-side). Repair or replace suspected harness, then go to Step 7.
5 INSPECT MAP SENSOR SIGNAL CIRCUIT FOR SHORT TO GROUND 
  • Turn the ignition switch off.
  • Disconnect PCM connector.
  • Inspect continuity between MAP sensor terminal D (harness-side) and body ground.
  • Is there continuity?
 Yes Repair or replace suspected harness, then go to Step 7.
No Go to the next step.
6 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?
 Yes Repair or replace suspected 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 ignition switch to ON (Engine off).
  • Clear the DTC from the PCM memory using the WDS or equivalent.
  • Start engine and warm it up completely.
  • Is same DTC present?
 Yes Replace 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 inspection.
(See DTC TABLE .)
No Troubleshooting completed.
(1) California emission regulation applicable ATX model
(2) Except for California emission regulation applicable ATX model
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