TOHATSU 40 Service Manual page 231

SECTION 7
1. Verify that engine operating temperature (Section 4), water
pressure (Section 4), and oil level (Section 3) are in their normal
range.
2. Disconnect RPM limitation jumper at terminals (7)
3 4
and (8).
3. Run engine. Does engine performance improve?
If yes, proceed to next step. If not, see Section 3, Troubleshooting.
4. Reconnect RPM limitation jumper at terminals (7)
3 4
and (8).
5. Disconnect one sensor input at a time:
Engine Models
40 / 50 / 60 /
70 / 80 / 90
7-52
Sensor
Water Pressure
(noton 40 and 50)
(60, 70 optional)
Overheat
(40 optional)
Disconnect
Terminals
11 12
and
13 14
and
T1487
3-/ 4-Cylinder