Component Testing Procedure

2010 Ford Focus S, StandardSECTION Component Testing Procedure
WARNING: This page is about a different car, the 2006 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
MULTIFUNCTION SWITCH, LAMP PORTION COMPONENT TESTING

Circuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
High beam  9 and 10 High beam Closed circuit
Flash-to-pass Open circuit
Low beam Open circuit
Low beam/Flash-to-pass  9 and 12 High beam Open circuit
Flash-to-pass Closed circuit
Low beam
11 and 10 High beam Open circuit
Flash-to-pass Closed circuit
Low beam Open circuit
Cornering lamp  9 and 1 Left turn Closed circuit
Off Open circuit
9 and 3 Right turn Closed circuit
Off Open circuit


MULTIFUNCTION SWITCH, LAMP PORTION COMPONENT TESTING

Circuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
Turn signal  1, C202c and 2, C202c Left turn, Hazard Off Closed circuit
1, C202c and 2, C202a
4, C202c and 5, C202c
4, C202c and 5, C202c Right turn, Hazard Off Closed circuit
1, C202c and 5, C202c
1, C202c and 3, C202c
Hazard  6, C202c and 10, C202c Hazard On, Turn signal switch in neutral Closed circuit
1, C202c and 2, C202c
1, C202c and 2, C202a
1, C202c and 5, C202c
1 C202c and 3, C202c
Stoplamps  9, C202c and 10, C202c Hazard Off, Turn signal switch in neutral Closed circuit
4, C202c and 2, C202a
4, C202c and 5, C202c
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.