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OBD-116 On-Board Diagnostics _____________________________________________ 6 1. Connect a 3-amp fused jumper between the signal circuit 324 2. Observe the fuel temperature sensor with the scan tool. Is the fuel temperature sensor parameter more than the specified 138°C (280°F) Go to Step 10 Go to Step 7 7 1. Turn OFF the ignition. 2. Connect a 3-amp fused jumper between the signal circuit 324 3. Turn ON the ignition, with the engine OFF. 4. Observe the fuel temperature sensor parameter with a scan Is the fuel temperature sensor parameter more than the specified 138°C (280°F) Go to Step 9 Go to Step 8 8 Test the fuel temperature sensor signal circuit 324 (YL) for an Did you find and correct the condition? Go to Step 15 Go to Step 12 9 Test the low reference circuit 252 (BR) of the fuel temperature Did you find and correct the condition? Go to Step 15 Go to Step 12 10 Test the signal circuit 324 (YL) of the fuel temperature sensor for Did you find and correct the condition? Go to Step 15 Go to Step 11 11 Test for an intermittent and for a poor connection at the fuel tem- Did you find and correct the condition? Go to Step 15 Go to Step 13 12 Test for an intermittent and for a poor connection at the engine Did you find and correct the condition? Go to Step 15 Go to Step 14 13 Replace the faulty fuel temperature sensor. Did you complete the replacement? Go to Step 15 14 Replace the faulty ECM. Did you complete the replacement? Go to Step 15 15 1. Clear the DTCs with a scan tool. 2. Turn OFF the ignition for 30 seconds. 3. Start the engine. 4. Operate the vehicle within the Conditions for Running the Did the DTC fail this ignition? Go to Step 2 Go to Step 16 16 1. Using the Scan Tool select “Capture Info,” Review Info.” Are Go to the appli- cable DTC table. System OK. Step Action Value(s) Yes No |