Checking The Electronic Throttle Valve Motor; Checking The Accelerator Position Sensor Circuit - SELVA MARINE Blue Whale 250 EFI Service Manual

– +
ELEC
8. Turn the engine start switch to ON, and
then measure the TPS input voltage at
the electronic throttle valve coupler (wir-
ing harness end).
TPS input voltage (reference data):
Terminal 5 (O) – terminal 3 (B):
5.0 V
9. Turn the engine start switch to OFF, and
then connect the electronic throttle valve
coupler.
Checking the electronic throttle
valve motor
1. Disconnect the electronic throttle valve
coupler.
2. Check the electronic throttle valve motor
continuity between the terminal 1 and
2.
Electronic throttle valve motor
resistance 1–2 (reference data):
1.23–1.67 Ω at 20–30 °C
(68–86 °F)
Checking the accelerator position
sensor circuit
1. Disconnect the ECM coupler a.
8-25
Electrical system
S6P28555E
1 2
S6P28130E
a
2. Disconnect the accelerator position sen-
sor coupler b.
b
3. Check the wiring harness for continuity.
a
Wiring harness continuity
Terminal No.
Coupler b
1
2
3
6
7
8
4. Connect the ECM coupler a, and then
turn the engine start switch to ON.
S6P28560
S6P28570
b
S6P28850
Color
Coupler a
40 B
44 O
38 P
31 P/W
41 B
49 O
6P23H11