Diagnostic Procedure

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STEP	INSPECTION		ACTION
1	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related Service Bulletins and/or on-line repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
1		No	Go to the next step.
2	INSPECT APP SENSOR Is the condition of the accelerator pedal one of the following? Accelerator pedal sticking has occurred when operated There is evidence of accelerator pedal disassembly	Yes	Replace the accelerator pedal, then go to Step 10. (See ACCELERATOR PEDAL REMOVAL/INSTALLATION .)
2		No	Go to the next step.
3	VERIFY CURRENT INPUT SIGNAL STATUS OF APP SENSOR Access the following PIDs using the M-MDS: (See ON-BOARD DIAGNOSTIC TEST .) IVS APP1 APP2 Is the value for PID IVS Idle when the accelerator pedal is not depressed? Do the values for PIDs APP1 and APP2 change when the accelerator pedal is continually depressed?	Yes	Go to the next step.
3		No	Go to Step 5.
4	INSPECT APP SENSOR RELATED WIRING HARNESS AND CONNECTOR Inspect the wiring harness related to the APP sensor for connector disconnection, short circuit, and poor contact. Is there any malfunction?	Yes	Repair or replace the malfunctioning part according to the inspection results, then go to Step 10.
4		No	APP sensor malfunction. Replace the accelerator pedal, then go to Step 10. (See ACCELERATOR PEDAL REMOVAL/INSTALLATION .)
5	VERIFY CURRENT INPUT SIGNAL STATUS OF BRAKE SWITCH Access the following PIDs using the M-MDS: (See ON-BOARD DIAGNOSTIC TEST .) BOO BPA Are all PIDs normal?	Yes	Go to Step 8.
5		No	Go to the next step.
6	INSPECT BRAKE SWITCH Inspect the brake switch. (See BRAKE SWITCH INSPECTION .) Is there any malfunction?	Yes	Replace the brake switch, then go to Step 10. (See BRAKE PEDAL REMOVAL/INSTALLATION .)
6		No	Go to the next step.
7	INSPECT BRAKE PEDAL PLAY AMOUNT Inspect the brake pedal play amount. (See BRAKE PEDAL INSPECTION .) Is the amount of brake pedal play normal?	Yes	Inspect the wiring harness related to the brake switch for connector disconnection, short circuit, and poor contact. If there is any malfunction: Repair or replace the malfunctioning part according to the inspection results, then go to Step 10.
7		No	Repair or replace the malfunctioning part according to the inspection results, then go to Step 10.
8	VERIFY IF A DTC RELATED TO DRIVE-BY-WIRE CONTROL IS DETECTED Perform the KOER self-test. (See KOEO/KOER SELF TEST .) Is a DTC related to the drive-by-wire control present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE .)
8		No	Go to the next step.
9	VERIFY CONDITION OF FLOOR MAT Is the condition of the driver side floor mat one of the following? Floor mat is doubled over Floor mat is spread against the accelerator pedal	Yes	Explain to the customer that the floor mat is preventing the accelerator pedal from springing back after release. Go to the next step.
9		No	It is possible that the accelerator and brake pedals have been depressed simultaneously. (during braking operation using left foot) Go to the next step.
10	VERIFY DTC TROUBLESHOOTING COMPLETED Make sure to reconnect all disconnected connectors. Clear the DTC from the PCM memory using the M-MDS. (See AFTER REPAIR PROCEDURE .) Perform the KOER self-test. (See KOEO/KOER SELF TEST .) Is the same DTC present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION .) Go to the next step.
10		No	Go to the next step.
11	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE .)
11		No	Troubleshooting completed.