Wireless Control Module (WCM)

DTC B2352: Antenna fail

DTC SET CONDITION

WCM sets DTC B2352 when open or short circuit to the ground in the antenna is detected.

TECHNICAL DESCRIPTION (COMMENT)

When the ignition switch is turned ON, WCM transmits signal to the antenna. When the antenna is found faulty, WCM determines that the abnormality is present.

TROUBLESHOOTING HINT

Malfunction of WCM (Open circuit in antenna)

DIAGNOSIS

Required Special Tools:

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

Recheck for diagnostic trouble code.

Check again if the DTC is set to the WCM.





(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.
Erase the DTC.
(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3)Check if DTC is set.
(4)Turn the ignition switch to the "LOCK" (OFF) position.

Q. Is the DTC set?

YES Replace WCM and register the ID codes (Refer to ID registration procedure manual - ID codes registration judgement table).

NO The procedure is complete.