Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2015 >> 5 Touring >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control (2 Of 5) >> DTC P011B-00: IAT Sensor Circuit Range/Performance Problem >> Diagnostic Procedure

Diagnostic Procedure

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA (MODE 2)/SNAPSHOT DATA AND DIAGNOSTIC MONITORING TEST RESULTS HAVE BEEN RECORDED 
  • Has the FREEZE FRAME DATA (Mode 2)/snapshot data been recorded?
Yes Go to the next step.
No Record the FREEZE FRAME DATA (Mode 2)/snapshot 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 INSPECT MAF/IAT SENSOR CONNECTOR CONDITION 
  • Switch the ignition to off.
  • Disconnect the MAF/IAT sensor connector.
  • Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
  • Is there any malfunction?
Yes Repair or replace the connector and/or terminals, then go to Step 6.
No Go to the next step.
4 INSPECT IAT SENSOR  Yes Replace the MAF/IAT sensor, then go to Step 6.
(See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR 2.5] .)
No Go to the next step.
5 INSPECT PCM CONNECTOR CONDITION 
  • Disconnect the PCM connector.
  • Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
  • Is there any malfunction?
Yes Repair or replace the connector and/or terminals, then go to the next step.
No Go to the next step.
6 VERIFY DTC TROUBLESHOOTING COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Clear the DTC from the PCM memory using the M-MDS.

    (See AFTER REPAIR PROCEDURE [MZR 2.5] .)

  • Start the engine and run the engine under the FREEZE FRAME DATA (Mode 2) condition.
  • Perform the Pending Trouble Code Access Procedure.

    (See ON-BOARD DIAGNOSTIC TEST [MZR 2.5] .)

  • Is the PENDING CODE for this DTC present?
Yes Repeat the inspection from Step 1.
Go to the next step.
No Go to the next step.
7 VERIFY AFTER REPAIR PROCEDURE  Yes Go to the applicable DTC inspection.
(See DTC TABLE [MZR 2.5] .)
No DTC troubleshooting completed.