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6E-198 Engine Control System (4JH1) Step Action Value(s) Yes No 4 1. Check to ensure the brake pedal switch is adjusted correctly. The plunger should be all the 2. Adjust the brake pedal switch as necessary. Go to Step 13 Go to Step 5 5 1. Turn OFF the ignition. connector. 3. Turn ON the ignition, with the engine OFF. with the scan tool while momentarily jumping 3- Does the scan tool indicate Applied when the circuit Go to Step 8 Go to Step 6 6 1. Test the brake pedal 1 switch signal circuit between the ECM (pin 30 of C-56 connector) and • An open circuit 2. Repair the circuit(s) as necessary. Go to Step 13 Go to Step 7 7 1. Turn OFF the ignition. connection on the brake switch circuit at the 4. Repair the connection(s) as necessary. Go to Step 13 Go to Step 12 8 Replace the brake pedal switch. Refer to Brake Go to Step 13 9 1. Turn ON the ignition, with the engine OFF. many times while observing the Accelerator Is the APP parameter smoothly changed within 0 to Go to Diagnostic Aids Go to Step 10 10 1. Turn OFF the ignition. • APP sensor is misadjusted. depressed. • An intake throttle valve control cable that is damaged, stuck or no free play. • An intake throttle valve that is stuck open. 3. Repair or replace as necessary. Go to Step 13 Go to Step 11 |