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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 P0564 >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Check for related Service Bulletins and/or on-line repair information availability.
  • Is any related repair information available?
 Yes Perform repair or diagnosis according to available repair information.
  • If vehicle is not repaired, go to the next step.
No Go to the next step.
2 INSPECT CRUISE CONTROL SWITCH CONNECTOR FOR POOR CONNECTION 
  • Turn the ignition switch off.
  • Inspect for poor connection (such as damaged, pulled-out terminals, corrosion).
  • Is there any malfunction?
 Yes Repair or replace the terminal, then go to Step 6.
No Go to the next step.
3 INSPECT CRUISE CONTROL SWITCH SIGNAL CIRCUIT FOR SHORT TO BODY GROUND 
  • Disconnect cruise control switch and PCM connectors.
  • Inspect for continuity between cruise control switch terminal A and body ground.
  • Is there continuity?
 Yes Repair or replace short to body ground, then go to Step 6.
No Go to the next step.
4 INSPECT CRUISE CONTROL SWITCH SIGNAL CIRCUIT FOR SHORT TO POWER 
  • Turn the Ignition switch to the ON position (Engine off).
  • Inspect the voltage between cruise control switch terminal A and body ground.
  • Is the voltage below 1.0 V? 
 Yes Go to the next step.
No Repair or replace short to power supply, then go to Step 6.
5 INSPECT CRUISE CONTROL SWITCH OPERATION  Yes Go to the next step.
No Replace the cruise control switch, then go to the next step.
6 VERIFY TROUBLESHOOTING OF P0564 COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Clear the DTC from the PCM memory using the WDS or equivalent.
  • Drive the vehicle with cruise control 2 mph or more. 
  • 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.
7 VERIFY AFTER REPAIR PROCEDURE  Yes Go to the applicable DTC inspection.
(See DTC TABLE ).
No Troubleshooting completed.
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