Impreza GT F4-2.5L Turbo (2009)
Tail Lamp: Testing and Inspection
Headlight and Tail Light System
Headlight and Tail Light System
INSPECTION
1. LIGHTING SWITCH
Measure the resistance between lighting switch terminals. See: Sensors and Switches - Lighting and Horns/Combination Switch/Testing and
Inspection/Combination Switch (Light)
2. DIMMER & PASSING SWITCH
Measure the resistance between dimmer & passing switch terminals. See: Sensors and Switches - Lighting and Horns/Combination Switch/Testing
and Inspection/Combination Switch (Light)
3. HEADLIGHT RELAY
Measure the headlight relay resistance between terminals when connecting terminal No. 4 to the battery positive terminal and terminal No. 3 to the
battery ground terminal.
4. TAIL AND ILLUMINATION RELAY
Measure the resistance between the tail and illumination relay terminals when connecting terminal No. 4 to the battery positive terminal and
terminal No. 3 to the battery ground terminal.