Checking The Bulbs And Bulb Sockets

ELECTRICAL COMPONENTS

EAS27990
                                                      1. Remove:
CHECKING THE BULBS AND BULB
                                                       • Bulb
SOCKETS                                               EW3P61001

NOTE:                                                        WARNING
Do not check any of the lights that use LEDs.         Since headlight bulbs get extremely hot,
                                                      keep flammable products and your hands
Check each bulb and bulb socket for damage or
                                                      away from them until they have cooled
wear, proper connections, and also for continuity
                                                      down.
between the terminals.
Damage/wear → Repair or replace the bulb,             EC3P61002

                                                      CAUTION:
bulb socket or both.
Improperly connected → Properly connect.              • Be sure to hold the socket firmly when re-
No continuity → Repair or replace the bulb, bulb        moving the bulb. Never pull the lead, other-
socket or both.                                         wise it may be pulled out of the terminal in
                                                        the coupler.
Types of bulbs                                        • Avoid touching the glass part of a headlight
The bulbs used on this vehicle are shown in the         bulb to keep it free from oil, otherwise the
illustration.                                           transparency of the glass, the life of the
• Bulbs “a” and “b” are used for the headlights         bulb, and the luminous flux will be adverse-
   and usually use a bulb holder that must be de-       ly affected. If the headlight bulb gets soiled,
   tached before removing the bulb. The majority        thoroughly clean it with a cloth moistened
   of these types of bulbs can be removed from          with alcohol or lacquer thinner.
   their respective socket by turning them coun-      2. Check:
   terclockwise.                                       • Bulb (for continuity)
• Bulbs “c” are used for turn signal and tail/brake      (with the pocket tester)
   lights and can be removed from the socket by          No continuity → Replace.
   pushing and turning the bulb counterclockwise.
• Bulbs “d” and “e” are used for meter and indi-                  Pocket tester
   cator lights and can be removed from their re-                  90890-03112
   spective socket by carefully pulling them out.                 Analog pocket tester
                                                                   YU-03112-C

                                                      NOTE:
                                                      Before checking for continuity, set the pocket
                                                      tester to “0” and to the “Ω × 1” range.
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                                                      a. Connect the positive tester probe to terminal
                                                         “1” and the negative tester probe to terminal
                                                         “2”, and check the continuity.
                                                      b. Connect the positive tester probe to terminal
                                                         “1” and the negative tester probe to terminal
                                                         “3”, and check the continuity.
                                                      c. If either of the readings indicate no continuity,
                                                         replace the bulb.
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Checking the condition of the bulbs
The following procedure applies to all of the
bulbs.

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