TOHATSU 40 Service Manual page 289

SECTION 7
3. The meter should indicate the following resistance:
Engine Models
40 and 50
60 and 70
80 and 90
115 / 120 / 140
4. If the resistance is not within the indicated range,
3 4
replace the alternator coils. See Charging System
Repair Procedures - Alternator Coils.
If the resistance is within the indicated range, proceed to the next
step.
5. Connect one tester lead to a clean engine ground
3 4
and connect the other tester lead to the following
terminals (one terminal at a time) to check for any resistance to
ground:
Engine Models
40 / 50 / 60 / 70 / 80 / 90
115 / 120 / 140
7-110
Results
W-Y, 0.2 - 0.3 Ω
W-Y, 0.2 - 0.3 Ω
0.2 - 0.3 Ω
(Test 1 and 2) 0.26 - 0.40 Ω
Connect Multimeter
Between These Terminals
4
• Terminal
6
• Terminal
4
• Terminal
6
• Terminal
8
• Terminal
T1552
3-/ 4-Cylinder