Troubleshooting The Ptt Unit - SELVA MARINE Grey Whale 200 EFI Service Manual

Troubleshooting the PTT unit

Symptom 1: PTT unit does not operate
Symptom 2
PTT relay does not
operate
PTT motor does not
operate
Oil pressure does
not increase
WD: See the wiring diagram.
6AL3J11
Cause 1
PTT switch mal-
function
Short, open, or loose
connection of the
wiring harness
PTT relay malfunc-
tion
Short, open, or loose
connection of the
PTT motor lead
PTT motor malfunc-
tion
Blown fuse
Loose connection of
the battery terminal
Discharged battery
Manual valve Manual valve mal-
opened function
Insufficient PTT flu-
id
PTT fluid leakage
Clogged filter
Clogged fluid pas-
sage
Troubleshooting the power unit
Cause 2 Checking step
Check
—
switch.
Check
— harness continuity.
Check
—
relay.
Check the PTT mo-
— tor lead.
Disassemble
— check the PTT mo-
tor.
— Check the fuse.
Check the battery
—
terminal.
— Check the battery.
Check the manual
valve.
Add sufficient fluid.
—
Check the PTT unit
—
for leakage.
Disassemble
check the PTT unit.
—
Refer
to
page
the PTT 7-59
the wiring WD
the PTT 7-58
7-36
and 7-35
8-5
3-17
3-17
7-30
3-13
7-30
and 7-30
9-24
1
2
3
4
5
6
7
8
9