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SWS DIAGNOSIS TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-79 STEP 15. Check that the horn is installed properly. NOTE: The horn is grounded to the body through the Q: Is the horn installation in good condition? YES : Replace the ETACS-ECU. The answerback function should work normally. NO : Repair it. The answerback function should work normally. Inspection Procedure E-3: Keyless entry system: Encrypted code cannot be registe TECHNICAL DESCRIPTION (COMMENT) • Key reminder switch • Hazard warning light switch If the encrypted code register mode is not set, the If a transmitter can not be registered although the TROUBLESHOOTING HINTS • Malfunction of the key reminder switch • Malfunction of the hazard warning light switch • Malfunction of the transmitter • Malfunction of the ETACS-ECU • Damaged harness wires or connectors DIAGNOSIS Required Special Tools: • MB991502: Scan Tool (MUT-II) • MB991529: Diagnostic Trouble Code Check Harness STEP 1. Check the trouble symptom. Q: Is the encrypted code register mode set? YES : Go to Step 4. <when using a volt meter>. |