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- Internal engine component failures. Were any of the above conditions present? Yes >> Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 3 3. (K343) ASD RELAY OUTPUT 2 CIRCUIT NOTE: On the 2.7 and 3.5L engines, cylinders 1, 3 and 5, it is nec- Disconnect the Ignition Coil No.2 harness connector. Disconnect the Fuel Injector No.2 harness connector. Ignition on, engine not running. With the scan tool, actuate the ASD Relay. Using a 12-volt test light connected to ground, probe the (K343) ASD Does the test light illuminate brightly? Yes >> Go To 4 No >> Repair the excessive resistance or short to ground in the (K343) ASD Relay Output 2 circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 4. IGNITION SYSTEM OPERATION NOTE: On the 2.7 and 3.5L engines, cylinders 1, 3 and 5, it is necessary to remove the upper intake to Connect the Ignition Coil No.2 harness connector. Remove the Ignition Coil. 9 - 288 ENGINE ELECTRICAL DIAGNOSTICS LX |