INSPECTION PROCEDURE 1: Throttle Valve will not Fully Open or Close: Diagnosis

STEP 1. Check the accelerator cable adjustment.
Q: Is the accelerator cable properly adjusted?
- YES : Go to Step 2.
- NO : Adjust the accelerator cable by referring to ACCELERATOR CABLE CHECK AND ADJUSTMENT , and then go to Step 3 .
STEP 2. Check the accelerator pedal position sensor assembly.
Check that the lever of the accelerator pedal position sensor assembly moves smoothly by moving it by hand.

Q: Does the lever of the accelerator pedal position sensor assembly move smoothly?
- YES : Go to Step 3.
- NO : Replace the accelerator pedal position sensor assembly (Refer to ACCELERATOR PEDAL POSITION SENSOR ), then go to Step 3.
STEP 3. Retest the system.
Q: Does the throttle valve fully open and close?
- YES : The procedure is complete.
- NO : Return to Step 1 .