Inspection Procedure 2

Inspection Procedure 2: Accelerator Pedal Operation not Smooth (Over Acceleration)

COMMENT

The accelerator pedal, its installation condition or the APP sensor is suspected.

TROUBLESHOOTING HINTS (The most likely causes for this case:)

- Malfunction of the accelerator pedal.
- Incorrectly installed accelerator pedal.
- Malfunction of the APP sensor.

DIAGNOSTIC PROCEDURE

STEP 1. Check if the accelerator pedal is installed correctly.

Q. Is the accelerator pedal installed correctly?

YES Go to Step 2.
NO Remove and reinstall the accelerator pedal (Refer to Service and Repair). Then go to Step 3.
STEP 2. Using scan tool MB991958, read the MFI system DTC.

(1)
CAUTION:
To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.

Connect scan tool MB991958 to the data link connector Reading and Clearing Diagnostic Trouble Codes).

(2)Turn the ignition switch to the "ON" position.

(3)Set scan tool MB991958 to check for MFI system DTC Reading and Clearing Diagnostic Trouble Codes).

Q. Is any DTC set?

YES Repair the MFI system Multiport Fuel Injection (MFI)). Then go to Step 3.
NO Go to Step 3.
STEP 3. Check the symptom.

Q. Does the accelerator pedal work normally?

YES The procedure is complete.
NO Return to Step 1.