Operation CHARM: Car repair manuals for everyone.

When the Tank Is Not Full the Needle Goes Up to "F"

STEP 1

1. Disconnect the connector of the fuel tank unit.
2. Turn the starter switch on.
3. Does the needle still point to "F"?

YES
Go to STEP 4

NO
Go to STEP 2

STEP 2

1. Remove the fuel tank unit.
2. Does the float arm operate smoothly?

YES
Go to STEP 3

NO
Replace the fuel tank unit.

STEP 3

- Are the resistance values of the fuel tank unit at the "E" and "F" points normal?

NO
Replace the fuel tank unit.

STEP 4

- Is the circuit between the fuel tank unit and the fuel gauge normal?

YES
Go to STEP 5

NO
Repair a short circuit in the circuit.

STEP 5

- Is the printed circuit of the meter assembly grounded securely?

YES
Check the fuel gauge and replace it if necessary.

NO
Repair or replace the printed circuit board.