B2463

DTC B2463: The sticking of rheostat switch

TROUBLE JUDGMENT

If the combination meter detects the rheostat switch pressed state for 60 seconds or more continuously, DTC B2463 is stored.

TROUBLESHOOTING HINTS

- The combination meter may be defective.
- The combination meter bezel (rheostat switch knob) may be defective.

DIAGNOSTIC PROCEDURE

Required Special Tools:

- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicles Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system)

STEP 1. Check the rheostat switch.

Check whether an abnormality is present to the combination meter and the rheostat switch knob attached to the combination meter bezel.

Q. Is the check result normal?

YES Go to Step 2.
NO Replace the combination meter or combination meter bezel.
STEP 2. Using scan tool MB991958, read the combination meter diagnostic trouble code.

Check if DTC is set to the combination meter.





(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. Refer to "How to connect the Scan Tool (M.U.T.-III) Reading and Clearing Diagnostic Trouble Codes."
(2)Turn the ignition switch to the "ON" position.
(3)Erase the DTC.
(4)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(5)Check if diagnostic trouble code is set.

Q. Is the DTC set?

YES Replace the combination meter, and then go to Step 3.

NO The procedure is complete.

STEP 3. Recheck for diagnostic trouble code.

Check if DTC is set to the combination meter.

(1)Erase the DTC.

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

(3)Check if diagnostic trouble code is set.

Q. Is the DTC set?

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