Headlight Dimmer Switch: Inspection
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT HEADLIGHT DIMMER SWITCH
- Check the resistance of the light control switch.
- Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
Standard Resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Condition Specified Condition 10-11-12-13 OFF 10 kΩ or higher 10-13 TAIL Below 1 Ω 10-13 HEAD Below 1 Ω 11-12 HEAD Below 1 Ω If the result is not as specified, replace the headlight dimmer switch.
- Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
- Check the resistance of the headlight dimmer switch.
- Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
Standard Resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Condition Specified Condition 9-11 FLASH Below 1 Ω 8-11 LOW BEAM Below 1 Ω 9-11 HI BEAM Below 1 Ω If the result is not as specified, replace the headlight dimmer switch.
- Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
- Check the resistance of the turn signal switch.
- Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
Standard Resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Condition Specified Condition 6-7 Right turn Below 1 Ω 5-6-7 Neutral 10 kΩ or higher 5-7 Left turn Below 1 Ω If the result is not as specified, replace the headlight dimmer switch.
- Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
- w/ Front fog light:
Check the resistance of the front fog light switch.
- Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
Standard Resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Condition Specified Condition 3-4 OFF 10 kΩ or higher 3-4 Front fog light switch ON Below 1 Ω If the result is not as specified, replace the headlight dimmer switch.
- Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
- Check the resistance of the light control switch.