Checking The Trim Sensor - Yamaha F150B Service Manual

a
f
e
Wiring harness continuity:
a Terminal 1–e Terminal 1
a Terminal 2–e Terminal 2
a Terminal 3–Terminal c
7. Connect the PTT relay coupler e and
PTT switch coupler a.
8. Install the junction box cover.

Checking the trim sensor

1. Remove the trim sensor, and then Dis-
connect the trim sensor coupler a.
a
2. Measure the trim sensor resistance.
3. Turn the trim sensor lever a from b to
c and measure the resistance as it grad-
ually changes.
Trim sensor resistance (reference data):
238.8–378.8 Ω at b
9.0–11.0 Ω at c (setting resistance)
4. Disconnect the gauge harness coupler
d.
5. Check the wiring harness for continuity.
a
Wiring harness continuity:
a Terminal 1–d Terminal 2
a Terminal 2–Ground
6. Install the trim sensor.
7. Connect the gauge harness coupler d,
and trim sensor coupler a.
PTT system
c
b
a
d
d
5-50
0
1
2
3
4
5
6
7
8
9
10
A