INSPECTION PROCEDURE E-3: Encrypted Code can not be Registered.

[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - KEYLESS ENTRY SYSTEM - INSPECTION PROCEDURE E-3: Encrypted Code can not be Registered.

PRINT PAGE / INDEX / PRIOR / NEXT

CAUTION

Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If the encrypted code registration mode is not entered, the ETACS-ECU may be defective.
If the registration is not possible although the registration mode is entered, the keyless entry transmitter or the ETACS-ECU may be defective.

POSSIBLE CAUSES

Malfunction of the keyless entry transmitter

Malfunction of the ETACS-ECU

Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

Step 1. Check the encrypted code registration mode.

Check that the encrypted code registration mode is entered.

Q: Is the check result normal?

YES: Go to Step 3

.
NO: Go to Step 2

Step 2. Use the SWS monitor to examine the keyless entry system for signal reception.

Check the condition of the keyless entry transmitter.

Operation switch	Normal conditions (received signal)
LOCK	LOCK
UNLOCK	UNLOCK

OK: By operating the switch as shown in the table above, relevant normal conditions are displayed.

Q: Is the check result normal?

YES: Go to Step 3

.
NO: Refer to inspection procedure P-16 "Each switch signal of the keyless entry transmitter is not received

Step 3. Retest the system.

Check that the encrypted code can be registered.

Q: Is the check result normal?

YES: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction

).
NO: Replace the ETACS-ECU.

[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - KEYLESS ENTRY SYSTEM - INSPECTION PROCEDURE E-3: Encrypted Code can not be Registered.

PRINT PAGE / INDEX / PRIOR / NEXT