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SYMPTOM PROCEDURES SMART WIRING SYSTEM (SWS) USING SWS MONITOR 54C-314 Inspection Procedure M-9:Daytime running lamp function does not work normally. CAUTION Whenever the ECU is replaced, ensure that the COMMENTS ON TROUBLE SYMPTOM If the daytime running lamp function is not operating POSSIBLE CAUSES • The ETACS-ECU may be defective • Damaged harness wires and connectors DIAGNOSIS PROCEDURE Step 1. Check that the headlamps operate. Do the low-beam headlamps illuminate when the Q: Is the check result normal? YES : Go to Step 2. NO : First, repair the headlamps. Refer to Step 2. SWS monitor data list. Check the input signals below, which are related to <Selected item> ETACS ECU • Ignition switch: ON OK: Normal condition is displayed. Q: Is the check result normal? YES : Go to Step 3. NO : Refer to inspection procedure Q-2 "The ." JUMPER ETACS- Wire colour code Daytime Running Lamp Input Circuit Item No. Item name Normal condition Item 30 IG SW(IG1) ON |