Headlight Dimmer Switch: Inspection
- REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY
- Measure the resistance according to the value (s) in the tables below.
Standard resistance: Light Control Switch
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Switch Condition Specified Condition f1-12 (EL) - f1-18 (T) OFF 10 kΩ or higher fl-18 (T) - f1-19 (AUTO) OFF 10 kΩ or higher fl-19 (AUTO) - f1-20 (H) OFF 10 kΩ or higher fl-12 (EL) - f1-18 (T) TAIL Below 1 Ω M-12 (EL) - f1-18 (T) HEAD Below 1 Ω f1-18 (T) - f1-20 (H) HEAD Below 1 Ω f1-12 (EL) - f1-19 (AUTO) AUTO Below 1 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Headlight Dimmer Switch
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Switch Condition Specified Condition f1-11 (HU) - f1-12 (EL) LOW BEAM Below 1 Ω f1-11 (HU) - f1-12 (EL) HI BEAM Below 1 Ω M-12 (EL) - f1-17 (HF) HI BEAM Below 1 Ω Turn Signal Switch
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Switch Condition Specified Condition f1-12 (EL) - fl-13 (TR) Right turn Below 1 Ω f1-12 (EL) - f1-13 (TR) Neutral 10 kΩ or higher f1-12 (EL) - f1-15 (TL) Neutral 10 kΩ or higher f1-12 (EL) - f1-15 (TL) Left turn Below 1 Ω Fog Light Switch
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Switch Condition Specified Condition f1-3 (LFG) - f1-4 (BFG) OFF 10 kΩ or higher f1-3 (LFG) - f1-4 (BFG) Fog light switch ON Below 1 Ω If the result is not as specified, replace the headlight dimmer switch assembly.
- Measure the resistance according to the value (s) in the tables below.