Inspection Procedure 8: Fuel gauge does not work (the other meters work).

caution

Before replacing the combination meter, be sure to check that the power supply circuit, earth circuit, and communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM

If only the fuel gauge does not operate, the fuel pump and gauge unit (main), the fuel gauge unit (sub) <4WD> or the combination meter may be defective.

PROBABLE CAUSES

Malfunction of fuel pump and gauge unit (main)
Malfunction of the fuel gauge unit (sub) <4WD>
Malfunction of combination meter

DIAGNOSIS PROCEDURE

STEP 1. Check the diagnosis code.

Check if diagnosis code No. B1201 is set.

Q. Is the diagnosis code No. B1201 set?

Perform the troubleshooting of when the diagnosis code is set (Refer to

Go to Step 2.

STEP 2. Fuel pump and gauge unit (main) and fuel gauge unit (sub) <4WD> check

Check the fuel pump and gauge unit (main) and fuel gauge unit (sub) <4WD>. Refer to

Q. Is the check result normal?

Go to Step 3.

Replace the fuel pump and gauge unit (main) and fuel gauge unit (sub) <4WD>.

STEP 3. M.U.T.-III data list

Item 89: Fuel gauge (Refer to ).
Item 8A: Fuel gauge(Target) (Refer to ).

Q. Is the check result normal?

Go to Step 4.

Replace the combination meter, and then go to Step 5.

STEP 4. M.U.T.-III actuator test

Item 3: Fuel gauge (Refer to ).

Q. Is the check result normal?

Go to Step 5.

Replace the combination meter, and then go to Step 5

STEP 5. Retest the system.

Check that the fuel gauge works normally.

Q. Is the check result normal?

The procedure is complete.

Replace the combination meter.