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6E-130 Engine Control System (4HK1) 4 1. Turn OFF the ignition. 2. Disconnect the FRP sensor harness 3. Connect a DMM between the signal circuit of 4. Turn ON the ignition, with the engine OFF. Is the DMM voltage more than specified value? 5.5 volts Go to Step 10 Go to Step 5 5 1. Turn OFF the ignition. 2. Connect a test lamp between the signal circuit 3. Connect a DMM between the probe of the test 4. Turn ON the ignition, with the engine OFF. Is the DMM voltage more than the specified value? 4.5 volts Go to Step 9 Go to Step 6 6 1. Turn OFF the ignition. 2. Connect a 3-amp fused jumper wire between 3. Turn ON the ignition, with the engine OFF. 4. Observe the FRP Sensor parameter with the Is the FRP Sensor parameter less than the 0.7 volts Go to Step 11 Go to Step 7 7 1. Test the low reference circuit between the 2. Repair the circuit(s) as necessary. Did you find and correct the condition? — Go to Step 15 Go to Step 8 8 1. Test the signal circuit between the ECM (pins 2. Repair the circuit(s) as necessary. Did you find and correct the condition? — Go to Step 15 Go to Step 12 9 1. Test the signal circuits between the ECM (pins 2. Repair the circuit(s) as necessary. Did you find and correct the condition? — Go to Step 15 Go to Step 14 Step Action Value(s) Yes No |