Ptt Electrical System; Checking The Fuse; Checking The Ptt Relay - Yamaha 250GETO Service Manual

PTT electrical system

Checking the fuse

1. Check the fuse (80A) for continuity.
Replace if there is no continuity.

Checking the PTT relay

1. Remove the PTT relay from junction box.
2. Connect the test harness, and then
check the PTT relay for continuity.
Replace if out of specification.
B
a
P(Lg)
O(Sb)
NOTE:
9 Be sure to set the measurement range a
shown in the illustration when checking for
continuity.
9 Following [ ] in the continuity chart is indi-
cate color code of the PTT relay.
Test harness (3 pins): 90890-06857
PTT relay continuity
Test harness (O) [Sky blue (Sb)] –
Terminal 4
Test harness (P) [Light green (Lg)] –
Terminal 4
Terminal 1 – Terminal 4
Terminal 2 – Terminal 4
Terminal 1 – Terminal 3
Terminal 2 – Terminal 3
6S35H11
Tilt cylinder and trim cylinder/PTT electrical system
B
Lg
4
1
Sb
2
3
6S370330
Continuity
Continuity
No continuity
3. Connect the digital circuit tester between
PTT relay terminals 1 and 3.
4. Connect the light green (Lg) lead to the
positive battery terminal and the terminal
4 lead to the negative battery terminal
as shown.
5. Check for continuity between terminals
1 and 3. Replace if there is no continu-
ity.
P(Lg)
O(Sb)
6. Connect the digital circuit tester between
PTT relay terminals 2 and 3.
7. Connect the sky blue (Sb) lead to the
positive battery terminal and the terminal
4 lead to the negative battery terminal
as shown.
8. Check for continuity between terminals
2 and 3. Replace if there is no continu-
ity.
P(Lg)
O(Sb)
1
2
B
Lg
4
1 3
Sb
2
4
3
5
6S370340
6
7
B
Lg
8
4
1
Sb
2
9
3
6S370350
7-48