SELVA MARINE Grey Whale 200 EFI Service Manual page 376

TRBL
SHTG
Trouble
Item
code
Oil press
(*1)
39 sensor
malfunction
Engine stop
44 lanyard switch
malfunction
Shift cut-off
(*2)
45 switch
malfunction
Overheat
46 thermoswitch
malfunction
(*1)
: Oil pressure sensor
(*2)
: Shift cut switch
(*3)
: Thermoswitch
WD: See the wiring diagram.
9-11
Troubleshooting
Symptom
Remarks
C
Engine stalls
(when running
K engine)
Buzzer comes
on
Shifting to
C neutral is
difficult
(*3)
C
1. Check the engine oil pressure
using the YDIS.
2. Measure the input voltage.
3. Measure the output voltage.
—
4. Check the pink/white (P/W) lead
(ECM-to-oil pressure sensor) for
continuity.
5. Measure the engine oil pressure
using an oil pressure gauge.
1. Check
using the YDIS.
2. Check the clip.
3. Check the switch continuity.
4. Check the white (W) lead (ECM-
to-10-pin main harness coupler)
for continuity.
5. Check the black (B) lead (10-pin
main
connector-to-ground) for conti-
nuity.
1. Check
using the YDIS.
2. Check the switch continuity and
resistance.
3. Measure the input voltage.
4. Check the shift bracket and shift
mechanism.
1. Check the switch condition using
the YDIS.
2. Measure the input voltage.
—
3. Check the switch continuity.
4. Check the engine temperature
sensor.
Checking steps
the switch operation
harness coupler-to-joint
the switch operation
Refer
to
page
9-1
5-2
5-2
WD
5-1
9-1
8-26
8-26
WD
WD
9-1
8-23
8-23
7-1
9-1
8-22
8-22
8-22
6AL3J11