|
|
![]() B20D0 HEADLAMP (LO) LH POWER SUPPLY CIRCUIT EXL-97 < DTC/CIRCUIT DIAGNOSIS > [LED HEADLAMP] C D E F G H I J K M A B EXL N O P B20D0 HEADLAMP (LO) LH POWER SUPPLY CIRCUIT DTC Description INFOID:0000000010452544 DTC DETECTION LOGIC POSSIBLE CAUSE • Harness or connector FAIL-SAFE Shuts off the power supply to the headlamp (LO) LH power supply circuit until the headlamp (LO) ON condi- DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING With CONSULT 1. Turn ignition switch ON. 2. Select “HL (LO) LH 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 headlamp (LO) LH power supply circuit, and dam- age accumulates at the smart FET inside the IPDM E/R. For this reason, IPDM E/R does not turn and replace IPDM E/R after the malfunctioning part is repaired. Refer to 67, "Removal and Installation" . 2. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT 1. Turn ignition switch OFF. 2. Turn ignition switch ON. 3. Turn lighting switch 2ND. 4. Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT. 5. 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:0000000010452545 1. CHECK HEADLAMP (LO) LH POWER SUPPLY CIRCUIT (SHORT) DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B20D0 HL (LO) LH PWR SPLY CIRC [CIRC When headlamp (LO) ON conditions are satisfied (smart Monitor item Monitor status HL (LO) LH CIRC MALFUNCTN 0 1 |