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Engine Management – V6 – Diagnostics Page 6C1-2–150
DTC P0606 There is an internal ECM circuit fault condition for 6 seconds. Conditions for Clearing the DTC The ECM Internal Circuit, Programming or Memory Fault DTCs are Type A DTCs. Refer to 1.4 Diagnostic Trouble Codes in this Section, for action taken when a Type A DTC sets and conditions for clearing Type A DTCs. Additional Information • Refer to 6C1-1 Engine Management – V6 – General Information for details of the ECM operation. • Since fault condition in a wiring connector may trigger DTCs, always test the connectors related to this diagnostic • For an intermittent fault condition, refer to 5.2 Intermittent Fault Conditions in this Section. • To assist diagnosis, refer to 3 Wiring Diagrams and Connector Charts in this Section, for the system wiring diagram and connector charts. DTC P0601, P0602, P0604 and P0606 Diagnostic Table Step Action Yes No 1 Has the Diagnostic System Check been performed? Go to Step 2 Refer to 4.4 Diagnostic System Check in this Section 2 1 Switch off the ignition for 30 seconds. 2 Operate the vehicle within the conditions for running the DTC. 3 Using Tech 2, select the DTC display function. Does DTC P0601, P0602, P0604 or P0606 fail this ignition cycle? Go to Step 3 Refer to Additional Information in this DTC 3 Test all ECM fuses and ground connections. Refer to 8A Electrical - Was any fault found and rectified? Go to Step 6 Go to Step 4 4 Attempt to program the ECM. Was the programming successful? Go to Step 6 Go to Step 5 5 Replace the ECM. Refer to 6C1-3 Engine Management – V6 – Was the repair completed? Go to Step 6 — 6 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 ECM internal circuit, programming or memory fault Go to Step 2 Go to Step 7 7 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. |