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Engine Management – V6 – Diagnostics Page 6C1-2–62
DTC P0008, P0009 or P0016 Diagnostic Table Step Action Yes No 1 1 Has the Diagnostic System Check been performed? Go to Step 2 Refer to 4.4 Diagnostic this Section 2 1 Switch off the ignition for 30 seconds. 2 Start the engine. 3 Allow the engine to reach the normal operating temperature. 4 Increase the engine speed to 2,000 rpm for 10 seconds. 5 Using Tech 2, select the DTC display function. Does DTC P0008, P0009 or P0016 fail this ignition cycle? Go to Step 3 Refer to Additional Information in this DTC 3 1 Are DTCs relating to the following DTCs also set: • Camshaft actuator circuit • CMP sensor circuit • CKP sensor circuit Go to the appropriate DTC Table in this Section Go to Step 4 4 1 Inspect the engine for the following fault conditions. Refer to • incorrect installation of the CMP sensor, • incorrect installation of the CKP sensor, • timing chain tensioner fault condition, • incorrectly installed timing chain, • excessive play in the timing chain, and • timing chain that jumped teeth. Was any fault found and rectified? Go to Step 5 Refer to Additional Information in this DTC 5 1 Using Tech 2, clear the DTCs. 2 Switch off the ignition for 30 seconds. 3 Start the engine. 4 Operate the vehicle within the conditions for running the DTC. Does any of the crankshaft / camshaft position correlation DTCs fail Go to Step 2 Go to Step 6 6 Using Tech 2, select the DTC display function. Does Tech 2 display any DTCs? Go to the appropriate DTC Table in this Section System OK When all diagnosis and repairs are completed, check the system for correct operation. 7.3 DTC P0030, P0031, P0032, P0036, P0037, DTC Descriptor This diagnostic procedure supports the following DTCs: • DTC P0030 – O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1) • DTC P0031 – O2 Sensor Heater Circuit Low Voltage (Bank 1, Sensor 1) |