|
|
DIAGNOSTIC PROCEDURE DTC P0012 (MZI-3.7) DIAGNOSTIC PROCEDURE calibrated value or remains in a retarded position. POSSIBLE CAUSE OCV (RH) malfunction Low engine oil pressure Spool valve in the OCV (RH) is stuck in retard position Improper valve timing due to timing chain slippage STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS Has FREEZE FRAME DATA been Yes Go to the next step. No Record FREEZE FRAME DATA on the repair order, then go to the next step. 2 VERIFY RELATED REPAIR Verify related Service Bulletins and/or Is any related Service Bulletins Yes Perform repair or diagnosis according to the If the vehicle is not repaired, go to the No Go to the next step. 3 VERIFY ENGINE OIL PRESSURE Start the engine. Does the oil pressure warning light Yes Inspect the engine oil pressure, then go to No Go to the next step. 4 VERIFY TIMING CHAIN Stop the engine. Remove the front cover. Is the camshaft timing mark at the (See TIMING CHAIN Yes Go to the next step. No Reinstall the timing chain, then go to Step 6. 5 INSPECT OCV (RH) Inspect the OCV (RH). (See OIL CONTROL VALVE (OCV) Yes Replace the OCV (RH), then go to the next
2008 Mazda CX-9 Grand Touring 2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:34 AM Page 33 © 2005 Mitchell Repair Information Company, LLC. |