Signal System Tests And Checks; Flasher Self-Cancelling Unit; Switches - Yamaha XZ550RJ 1982 Service Manual

meter shaft. If the tester needle swings back
and forth between 0 and oo, the speedome-
ter sensor circuit is in good condition. If not,
the sensor-to-wiring harness may be inop-
erative.
3. Pull the 6-pin connector from the flasher
self-cancelling unit. Check if there is conti-
nuity between the yellow/red lead wire on
the wiring harness side and the chassis.
Flasher switch OFF: ∞
Flasher switch L or R: 0 ohms
If the tester needle does not swing as indi-
cated above, check the handlebar switch
circuit and wiring harness.
4. If no defect is found with the above three
checks and the flasher cancelling system is
still inoperative, replace the flasher cancel-
ling unit.
5. If the signal flashes only when the handle-
bar switch lever is turned to L or R and it
turns off immediately when the handlebar
switch lever returns to center, replace the
flasher cancelling unit.

Switches

Switches may be checked for continuity with a
pocket tester on the ohm x 1 scale.
1. Main switch.
2. Engine stop switch.
3. Start switch.
4. Lights (dimmer) switch.
5. Turn switch.
6. Horn switch.
Battery
If the battery shows the following defects, it should
be replaced:
1. The battery voltage will not rise to a specific
value nor will bubbles rise in any cell, even
after many hours of charging.
2. Sulfation of one or more cells is indicated by
the plates turning white or an accumulation
of material in the bottom of the cell.
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