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6E-146 Engine Control System (4HK1) 12 1. Test the CKP sensor circuits between the • A short to battery or ignition voltage 2. Repair the circuit(s) as necessary. Did you find and correct the condition? — Go to Step 17 Go to Step 16 13 1. Turn OFF the ignition. 2. Inspect for an intermittent and for poor 3. Repair the connection(s) as necessary. Did you find and correct the condition? — Go to Step 17 Go to Step 16 14 1. Turn OFF the ignition. 2. Disconnect the ECM harness connector. 3. Inspect for an intermittent and for poor 4. Repair the connection(s) as necessary. Did you find and correct the condition? — Go to Step 17 Go to Step 16 15 Replace the CKP sensor. Refer to Crankshaft Did you complete the replacement? — Go to Step 17 — 16 Important: Replace the ECM. Refer to Engine Control Module Did you complete the replacement? — Go to Step 17 — 17 1. Reconnect all previously disconnected 2. Clear the DTCs with the Tech 2. 3. Turn OFF the ignition for 30 seconds. 4. Start the engine. 5. Accelerate the Accelerate the engine between Does the Engine Speed parameter ever exceed the 3700 RPM Go to Step 4 Go to Step 18 18 Observe the DTC Information with the Tech 2. Are there any DTCs that you have not diagnosed? — Go to Diagnostic Trouble Code (DTC) List System OK Step Action Value(s) Yes No |