Yamaha FZR400 1988-1989 Service Manual page 358

3. Oil level switch
Remove the oil level switch from the oil
??
tank.
@Connect the pocket tester (L! x 1) to the oil
level gauge.
Tester (+I Lead -+ Black/Red @Terminal
Tester (-1 Lead + Oil Level Switch Body
Good
Switch
position condition
X
position
Upside
0
B down
position
a
4. Voltage
the Pocket Te-ter (DC20V)
bulb socket connector.
Tester (+) Lead + Brown @ Terminal
Tester (-) Lead + Black @Terminal
Bad condition
0 x 0
x x 0
GOOD CONDITION
to the
SIGNAL SYSTEM piqq
BAD CONDITION
oil level switch.