Headlight Dimmer Switch: Inspection
- INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY
- Disconnect the switch.
- Measure the resistance of the switch.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard resistance:
Light control switch
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Condition Specified Condition g1-12 (EL) - g1-18 (T) OFF 10 kΩ or higher g1-18 (T) - g1-19 (AUTO) OFF 10 kΩ or higher g1-19 (AUTO) - g1-20 (H) OFF 10 kΩ or higher g1-12 (EL) - g1-18 (T) TAIL Below 1 Ω g1-12 (EL) - g1-18 (T) HEAD Below 1 Ω g1-18 (T) - g1-20 (H) HEAD Below 1 Ω g1-12 (EL) - g1-19 (AUTO) AUTO Below 1 Ω Headlight dimmer switch
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Condition Specified Condition g1-11 (HU) - g1-12 (EL) LOW BEAM Below 1 Ω g1-11 (HU) - g1-12 (EL) HI BEAM Below 1 Ω g1-12 (EL) - g1-17 (HF) HI BEAM Below 1 Ω Turn signal switch
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Condition Specified Condition g1-12 (EL) - g1-13 (TR) Right turn Below 1 Ω g1-12 (EL) - g1-13 (TR) Neutral 10 kΩ or higher g1-12 (EL) - g1-15 (TL) Neutral 10 kΩ or higher g1-12 (EL) - g1-15 (TL) Left turn Below 1 Ω Fog light switch
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Condition Specified Condition g1-3 (LFG) - g1-4 (BFG) OFF 10 kΩ or higher g1-3 (LFG) - g1-4 (BFG) Fog light switch ON Below 1 Ω If the result is not as specified, replace the switch assembly.