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6E-126 Engine Control System (4JH1) Step Action Value(s) Yes No 4 1. Observe the Engine Speed parameter with the scan tool. 2. Accelerate the engine between idle and W.O.T. (accelerator pedal full travel) many times while Does the Engine Speed parameter indicate correct Go to Step 9 Go to Step 5 5 1. Inspect the crankshaft position (CKP) sensor for tightness. 2. Remove the CKP sensor and check for damage, metal particles on magnet and for flywheel Did you find and correct the condition? Go to Step 10 Go to Step 6 6
1. Turn OFF the ignition. and corrosion on the CKP sensor terminal (pins 4. Repair the connection(s) as necessary. Go to Step 10 Go to Step 7 7 1. Turn OFF the ignition. (PCU) harness connector. 3. Inspect for an intermittent, for a poor connection and corrosion on the CKP sensor signal input at 4. Repair the connection(s) as necessary. Go to Step 10 Go to Step 8 8 1. Turn OFF the ignition. and corrosion on at the harness connector of the 3. Repair the connection(s) as necessary. Go to Step 10 Go to Step 9 9 Important: The fuel injection pump must be timed to Go to Step 10 10 1. Reconnect all previously disconnected harness connector(s). 2. Clear the DTCs with the scan tool. (accelerator pedal full travel) many times while Does the DTC fail this ignition? Go to Step 2 Go to Step 11 11 Observe the DTC Information with the scan tool. Go to Diagnostic Trouble Code (DTC) List System OK |