Checking The Main Relay And Electronic Throttle Valve Relay; Checking The Ecm Circuit - SELVA MARINE Grey Whale 200 EFI Service Manual

– +
ELEC
Checking the main relay and
electronic throttle valve relay
1. Remove the main relay 1 and electronic
throttle valve relay 2.
2 1
2. Connect the positive battery lead to the
relay terminal 3, and the negative bat-
tery lead to the relay terminal 4 as
shown, and then check for continuity
between terminals 5 and 6. Replace
the relay if there is no continuity.
5
4
CAUTION:
Do not reverse the battery leads.
Battery
lead
Connect
Disconnect
3. Measure the input voltage between the
terminals 7 and ground, and the termi-
nals 8 and ground as shown.
NOTE:
Measure the voltage with the battery con-
nected and the engine start switch turned to
"OFF."
8-27
Electrical system
S6P28150
6
3
S6AL8140
Relay terminal No.
5 6
8
7
Terminal 7 – Ground:
Terminal 8 – Ground:
12 V (battery voltage)
4. Turn the engine start switch to "ON," and
then measure the input voltage between
terminals 8 and 9 as shown.
9
Terminal 8 – Terminal 9:
12 V (battery voltage)
5. Turn the engine start switch to "OFF."
6. Install the main relay and electronic throt-
tle valve relay, and then install all parts
removed during disassembly.

Checking the ECM circuit

1. Disconnect the ECM couplers a and b.
2. Check for continuity between the ECM
coupler terminals c (46, 68, 69, 75, 76,
and 84, wiring harness end) and ground.
Check the wiring harness and ground if
there is no continuity.
S6AL8550
8
S6AL8560
6AL3J11