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Check reference values between ECM terminals and ground under the following conditions: ECM TERMINAL NO. ITEM CONDITION DATA (AVERAGE DC VOLTAGE) 15 Crankshaft Position (CKP) sensor • Ignition switch: ON • Engine: Not cranking 3 V 34 79 Camshaft Position (CMP) sensor • Ignition switch: ON • Engine: Not cranking 11 V On Board Diagnostic Logic DTC NO. DTC DEFINITION DTC DETECTION CONDITION DTC SET CONDITION POSSIBLE CAUSE P0016 Camshaft position- Crankshaft position correlation error Engine is running ECM detected that • CMP sensor • CKP sensor • Harness or • Crankshaft signal • Camshaft and • Timing • ECM DTC Confirmation Procedure: Before performing the following procedure, confirm that battery voltage is more than 12 V. • Turn ignition switch off. • Connect the X-431 scan tool to the Data Link Connector (DLC) - use the most current software available. • Turn ignition switch on. • With the scan tool, record and erase stored DTCs in the ECM. • Start engine and warm it to normal operating temperature, then select view DTC and data stream. • If the DTC is detected, the DTC condition is current. Go to Diagnostic Procedure - Step 1. • If the DTC is not detected, the DTC condition is intermittent (See Diagnostic Help and Intermittent DTC Trou- bleshooting in Section 03 Electronic Engine Controls for more information. NOTE : DIAGNOSIS & TESTING 03
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