Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2010 >> 5 Touring, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System L3] >> DTC P0606 >> Diagnostic procedure

Diagnostic procedure

DTC P0606 [L3] DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA (MODE 12) HAS BEEN RECORDED 
  • Has FREEZE FRAME DATA (Mode 12) been recorded?
Yes Go to the next step.
No Record the FREEZE FRAME DATA (Mode 12) 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 VOLTAGE AROUND PCM IGNITION SWITCH 
  • When the ignition switch is off, verify that the voltage around the PCM ignition switch is less than 1.0 V.
    NOTE:
    • If the measured value fluctuates above and below 1.0 V, place the measurement position close to the PCM and measure several times.
  • Is the measured voltage less than 1.0 V?
Yes Go to the next step.
No Inspect the power supply line for open or short circuits, and repair or replace the malfunctioning part. Go to the next step.
4 VERIFY TROUBLESHOOTING OF P0606 COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Clear the DTC from the PCM memory using the M-MDS.

    (See AFTER REPAIR PROCEDURE .)

  • Perform the KOEO/KOER self test.

    (See KOEO/KOER SELF TEST .)

  • Is the same DTC present?
Yes Replace the PCM, go to the next step.
(See PCM REMOVAL/INSTALLATION .)
No Go to the next step.
5 VERIFY AFTER REPAIR PROCEDURE 
Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No Troubleshooting completed.