Diesel Data: Automotive Repair

Headlamp Dimmer Switch: Testing and Inspection








LIGHTING: HEADLIGHT DIMMER SWITCH: INSPECTION

INSPECTION





1. INSPECT HEADLIGHT DIMMER SWITCH
(a) Check the resistance of the light control switch.
(1) Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
Standard Resistance:






If the result is not as specified, replace the headlight dimmer switch.
(b) Check the resistance of the headlight dimmer switch.
(1) Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
Standard Resistance:






If the result is not as specified, replace the headlight dimmer switch.
(c) Check the resistance of the turn signal switch.
(1) Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
Standard Resistance:






If the result is not as specified, replace the headlight dimmer switch.
(d) w/ Front fog light:
Check the resistance of the front fog light switch.
(1) Using an ohmmeter, measure the resistance and check the results in accordance with the value(s) in the table below.
Standard Resistance:






If the result is not as specified, replace the headlight dimmer switch.