Checking The Etv Motor Relay; Checking The Etv (Tps) Circuit - Yamaha F225F Service Manual

ELEC
6. Turn the engine start switch to ON, and
then measure the TPS input voltage at
the ETV coupler. Check the wiring
harness if out of specification. See

"Checking the ETV (TPS) circuit" (5-25).

B
O
TPS input voltage:
Orange (O)–Black (B)
4.75–5.25 V
7. Turn the engine start switch to OFF.
8. Connect the ETV coupler a.

Checking the ETV motor relay

1. Remove the relay cover and ETV motor
relay a.
a
2. Check the ETV
"Checking the main relay" (5-22).
3. Measure the input voltage between the
terminal a and ground.
5-25
Electrical system
a
motor relay. See
ETV motor relay input voltage:
Terminal a–Ground
12.0 V (battery voltage)
4. Turn the engine start switch to ON, and
then measure the input voltage between
terminals b and c.
b
ETV motor relay input voltage:
Terminal b–Terminal c
12.0 V (battery voltage)
5. Turn the engine start switch to OFF.
6. Install the ETV motor relay a and relay
cover.
Checking the ETV (TPS) circuit
1. Disconnect the engine ECM couplers a
and b.
2. Disconnect the ETV coupler c.
a
c
b
a