DTC B1408: Meter Non-Volatile Memory

DTC detecting condition:

Defective combination meter

CAUTION: When the combination meter is replaced, registration of the immobilizer system is required. For details, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume.

CHECK COMBINATION METER REGISTRATION.
1. Perform the Clear Memory Mode. (Combination meter Ref. to COMBINATION METER (DIAGNOSTICS)>CLEAR MEMORY MODE . and body integrated unit Ref. to IMMOBILIZER (DIAGNOSTICS)>CLEAR MEMORY MODE .)
2. Perform registration of combination meter. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume.
3. Perform the Clear Memory Mode. Ref. to IMMOBILIZER (DIAGNOSTICS)>CLEAR MEMORY MODE .
4. Read the DTC of the body integrated unit. Ref. to IMMOBILIZER (DIAGNOSTICS)>READ DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B1408 displayed?

Yes: Replace the combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER .

No: Even if DTC is detected, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.