Headlight (W/ Daytime Running Light)

HEAD Relay
3 - 5 : Closed with the light control SW at HEAD position or dimmer SW at FLASH position Closed with the engine running and the parking brake pedal depressed (Parking brake SW off)

B4 (A), B5 (B) Body ECU
1 - Ground : Always approx. 12 volts
(B) 18 - Ground : Approx. 12 volts with engine running
18-Ground : Continuity with parking brake pedal depressed
17-Ground : Continuity with the dimmer SW at HIGH or FLASH position
(A) 8 - Ground : Continuity with the light control SW at TAIL or HEAD position
12, 24 - Ground : Always continuity