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IGNITION SWITCH CHASSIS ELECTRICAL 54A-14 DIAGNOSTIC TROUBLE CODE PROCEDURES DTC 11: Transponder Communication System or Radio Interference of Encrypted Code. . CIRCUIT OPERATION The ignition key is powered by the ignition key ring . DTC SET CONDITION • DTC 11 may be output if other ignition keys are in the vicinity of the vehicle as it is being started. • The transponder’s encrypted code is not sent to the ETACS-ECU immediately after the ignition NOTE: DTC 11 is always output together with MPI . TROUBLESHOOTING HINTS • Refer to circuit diagrams GROUP- • Refer to configuration diagrams GROUP- • Radio interference of the encrypted code • Malfunction of the transponder • Malfunction of the ETACS-ECU DIAGNOSIS Required Special Tools: • MB991958: Diagnostic Tool (MUT-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827: MUT-III USB Cable • MB991910: MUT-III Main Harness A (Vehicles with CAN communication system) STEP 1. Check for presence of other key near the key in Q: Is there any other key near the key in the ignition? YES : Move the other key well away from key being used. Retest the system. NO : Go to Step 2. 54DB002A CONNECTOR: C-218 C-218 (GR) HARNESS SIDE 45 46 48 47 49 50 51 52 53 65 61 54 56 68 64 67 66 57 58 55 54DB003A CONNECTOR: C-310 |