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Hedlight và day light

HEADLIGHT (w/ DAYTIME RUNNING LIGHT) | 2003 TOYOTA TACOMA EWD517U W-B D 9 DAYTIME RUNNING LIGHT RELAY NO. 4 D13 DIODE DAYTIME RUNNING LIGHT SYSTEM 7. 5A DRL JUNCTION HEADLIGHT w DAYTIMERUNNINGLIGHT FROM POWER SOURCE SYSTEM SEE PAGE 54 19 3D 12 3D BRK 7. 5A ECU-B 10A GAUGE G 2 GENERATOR G-Y H-LP DRL W-G 20 3F 16 3F W-B W-B I 9 JUNCTION CONNECTOR CHG- 105 2003 TOYOTA TACOMA EWD517U HEADUGHTCw DAYTIMERUNNINGLIGHT --- SYSTEM OUTLINE ------------------------------------------------------------------------------------------------- 1. DAYTIME RUNNING LIGHT OPERATION When the engine is started voltage generated at TERMINAL L of the generator is applied to TERMINAL 9 of the daytime running light relay Main . If the parking brake lever is pulled up The parking brake SW on at this time the relay is not activated so the daytime running light system does not operate. If the parking brake lever is then released The parking brake SW off a signal is input to TERMINAL 11 of the relay. This activates the relay so current flows from battery to the HEAD relay Point side to TERMINAL 4 of the DIMMER relay to TERMINAL 1 to HEAD LO LH LO RH fuse to TERMINAL 1 of the headlights to TERMINAL 3 to TERMINAL 1 of the daytime running light relay Main to TERMINAL 2 to GROUND. This causes headlights to light up Headlights light up dimmer than full brightness. . Once the daytime running light system operates and headlights light up headlights remain on even if the parking brake lever is pulled up The parking brake SW on . If the engine stalls and the ignition SW remains on headlights remain lighted up even through current is no longer output from TERMINAL L of the generator. If the ignition SW is then turned off the headlights go off. If the engine is started with the parking brake lever released The parking brake SW off the daytime running light system operates and headlights light up when the engine starts. 2. HEADLIGHT OPERATION When the light control SW is switched to HEAD position current flows from the DRL fuse to TERMINAL 4 of .