TOHATSU 40 Service Manual page 309

SECTION 8
Trim Indicator Input Voltage
1. Disconnect the following:
Analog trim meter - terminals (1) and (2).
1
LCD trim meter - terminals (1), (2), (3), (4) and connector (5).
2
2. Using a multimeter, test for 12 VDC input to the trim meter.
Connect the RED tester lead to:
Analog trim meter - terminal (3).
1
LCD trim meter - terminal (6).
2
Connect the BLACK tester lead to:
Analog trim meter - terminal (4).
1
LCD trim meter - terminal (7).
2
If no voltage or low voltage is obtained, check the following and
correct the problem before proceeding:
• 20 A engine fuse.
• All input wiring to the trim meter for loose connections and
shorts to-ground.
• Main switch, see Main Key Switch Test in Section 7.
3. Reconnect all wiring before proceeding.
Trim Meter Output Voltage
4. Disconnect the following:
Analog trim meter - terminals (5), (6), (7) and (8).
1
LCD trim meter - connectors (8) and (9).
2
5. Using a multimeter, test for 9 VDC output from the trim meter.
Connect the RED tester lead to:
Analog trim meter - terminal (6).
1
LCD trim meter - terminal (10).
2
Connect the BLACK tester lead to:
Analog trim meter - terminal (8).
1
LCD trim meter - terminal (11).
2
8-10
3-/ 4-Cylinder