[54A] CHASSIS ELECTRICAL - - IGNITION SWITCH - DIAGNOSTIC TROUBLE CODE PROCEDURES - Diagnosis code 11: Transponder Communication System or Radio Interference of Encrypted Code | PRINT PAGE / INDEX / PRIOR / NEXT

DIAGNOSTIC TROUBLE CODE PROCEDURES

Diagnosis code 11: Transponder Communication System or Radio Interference of Encrypted Code
DIAGNOSIS CODE SET CONDITION Diagnosis code 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 immobilizer-ECU immediately after the ignition switch is turned to "ON" position. NOTE: Diagnosis code 11 is always output together with MPI system diagnosis code 54.
TROUBLESHOOTING HINTS Radio interference of the encrypted code Malfunction of the transponder Malfunction of the immobilizer-ECU.
| DIAGNOSIS PROCEDURE
| STEP 1. Check for presence of other key near the key in the ignition. 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.
| STEP 2. Check that the engine start using the spare ignition key which encrypted code has been registered. Q: Does the engine start using the spare ignition key for which the encrypted code has been registered? YES: Replace the ignition key that does not work. Then register the password (secret code) and encrypted code . Retest the system. NO: Go to Step 3.
| STEP 3. MUT-II/III diagnosis code Q: Which diagnosis code is set, diagnosis code 11 or 12 the encrypted code has been registered? Diagnosis code 12 is set: Refer to . Diagnosis code 11 is set: Go to Step 4.
| STEP 4. Connector check: Immobilizer-ECU connector C-304-1. Q: Are immobilizer-ECU connector C-304-1 in good condition? YES: Replace immobilizer-ECU and Then register the password (secret cod) and encrypted code. Retest the system. NO: Repair or replace the damage component(s).

[54A] CHASSIS ELECTRICAL - - IGNITION SWITCH - DIAGNOSTIC TROUBLE CODE PROCEDURES - Diagnosis code 11: Transponder Communication System or Radio Interference of Encrypted Code | PRINT PAGE / INDEX / PRIOR / NEXT

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