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6E-202 Engine Control System (4JH1) Step Action Value(s) Yes No 12 1. Turn OFF the ignition. APP sensor connector between pins 2 and 3 of 3. Turn ON the ignition, with the engine OFF. Go to Step 15 Go to Step 14 13 1. Test the 5 volts reference circuit between the engine control module (ECM) (pin 57 of C-56 2. Repair the circuit(s) as necessary. Go to Step 21 Go to Step 18 14 1. Test the signal circuit between the ECM (pin 38 of C-56 connector) and the APP sensor (pin 2 of 2. Repair the circuit(s) as necessary. Go to Step 21 Go to Step 18 15 1. Test the signal circuit between the ECM (pin 38 of C-56 connector) and the APP sensor (pin 2 of • A short to ground 2. Repair the circuit(s) as necessary. Go to Step 21 Go to Step 16 16 1. Test the low reference circuit between the ECM (pin 49 of C-56 connector) and the APP sensor 2. Repair the circuit(s) as necessary. Go to Step 21 Go to Step 17 17 1. Turn OFF the ignition. connections or corrosion at the harness 3. Repair the connection(s) as necessary. Go to Step 21 Go to Step 19 18 1. Turn OFF the ignition. connections on the APP sensor circuits at the 4. Repair the connection(s) as necessary. Go to Step 21 Go to Step 20 19 Replace the accelerator pedal position sensor. Refer Go to Step 21 20 Important: Replacement ECM must be Go to Step 21 |