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INPUT SIGNAL PROCEDURES TSB Revision SWS INPUT SIGNAL PROCEDURES 54Bc-7 INSPECTION PROCEDURE O-2: ETACS-ECU does not receive any signal from the ignition switch . CIRCUIT OPERATION • The ETACS-ECU operates the following equip- ment or functions according to signal from the • Ignition key reminder tone alarm function • Light reminder tone alarm function • Seat belt tone alarm function • Power window timer function • Seat belt warning light • Headlight automatic shutdown function • Turn-signal light • Dome light dimming function • If the power supply circuit from the battery to the ETACS-ECU is open, this circuit is used as . TECHNICAL DESCRIPTION (COMMENT) . TROUBLESHOOTING HINTS • The ETACS-ECU may be defective • The wiring harness or connectors may have loose, corroded, or damaged terminals, or termi- Ignition switch (IG1) Input Circuit AC204173 CONNECTOR : D-208 AN AC204174 CONNECTOR : D-222 AE |