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B1231 DAYTIME RUNNING LIGHT RH POWER SUPPLY CIRCUIT EXL-77 < DTC/CIRCUIT DIAGNOSIS > [LED HEADLAMP] C D E F G H I J K M A B EXL N O P B1231 DAYTIME RUNNING LIGHT RH POWER SUPPLY CIRCUIT DTC Description INFOID:0000000010452598 DTC DETECTION LOGIC POSSIBLE CAUSE • Harness or connector FAIL-SAFE Shuts off the power supply to the daytime running light RH power supply circuit until the daytime running light DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING With CONSULT 1. Turn ignition switch ON. 2. Select “DTRL RH CIRC MALFUNCTN” in “Data Monitor” mode of “IPDM E/R” using CONSULT. 3. Check the monitor status. What is the monitor status? “0” >> GO TO 2. “1” >> A short circuit is detected multiple times in the daytime running light RH power supply circuit, and damage accumulates at the smart FET inside the IPDM E/R. For this reason, IPDM E/R does not and replace IPDM E/R after the malfunctioning part is repaired. Refer to PCS-67, "Removal and Installation" 2. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT 1. Turn ignition switch OFF. 2. Start engine. 3. Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT. 4. Check DTC. Is DTC detected? YES >> Refer to . NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident" NO-2 >> Confirmation after repair: INSPECTION END Diagnosis Procedure INFOID:0000000010452599 1. CHECK DAYTIME RUNNING LIGHT RH POWER SUPPLY CIRCUIT (SHORT) DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B1231 DTRL RH PWR SPLY CIRC [CIRC When daytime running light ON conditions are satisfied Monitor item Monitor status DTRL RH CIRC MALFUNCTN 0 1 |