Checking The Leds - Yamaha YZF-R1S Service Manual

CHECKING THE BULBS AND BULB SOCKETS
Pocket tester
90890-03112, YU-3112
NOTE:
Check each bulb socket for continuity in the
same manner as described in the bulb section;
however, note the following.
a. Install a good bulb into the bulb socket.
b. Connect the pocket tester probes to the re-
spective leads of the bulb socket.
c. Check the bulb socket for continuity. If any of
the readings indicate no continuity, replace
the bulb socket.

CHECKING THE LEDs

The following procedures applies to all of the
LEDs.
1. Check:
S LED (for proper operation)
Improper operation ! Replace.
a. Disconnect the meter assembly coupler (me-
ter assembly side).
b. Connect two jumper leads 1 from the bat-
tery terminals to the respective coupler ter-
minal.
NOTE:
As for connecting with which coupler terminal,
refer to "CABLE ROUTING" in chapter 2.
WARNING
S A wire that is used as a jumper lead must
have at least the same capacity of the bat-
tery lead, otherwise the jumper lead may
burn.
S This check is likely to produce sparks,
therefore, make sure no flammable gas or
fluid is in the vicinity.
c. When the jumper leads are connected to the
terminals the respective LED should illumi-
nate.
Does not light ! Replace the meter assem-
bly.
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ELEC