Engine unit troubleshooting
9-8
Diagnostic code and checking step
*1: This symptom may only be exhibited in certain environmental conditions.
—: Not applicable
Diag-
nostic
code
Item Symptom Checking steps
See
page
13
Pulser coil
(Pickup coil)
Engine will not start
Measure the pickup coil output
peak voltage.
7-12
Measure the pickup coil resis-
tance.
7-12
Check the white/black (W/B)
and black/orange (B/O) pickup
coil leads for continuity.
A-2
15
Engine tem-
perature sensor
Trolling speed is unstable*1
Check the engine temperature
using the YDIS.
7-16
Measure the engine tempera-
ture sensor input voltage.
7-16
Check the black/yellow (B/Y)
and black/orange (B/O) en-
gine temperature sensor leads
for continuity.
A-2
Measure the engine tempera-
ture sensor resistance.
7-16
19 Battery voltage Trolling speed is unstable*1
Check the battery voltage us-
ing the YDIS.
9-2
Check the fuse for continuity.
7-3
7-31
Measure the stator coil output
peak voltage.
7-13
Measure the rectifier/regula-
tor output peak voltage.
7-13
Check the battery leads and
terminals for proper connec-
tion.
3-6
23
Air tempera-
ture sensor
(Intake air tem-
perature sen-
sor)
Trolling speed is unstable*1
Check the intake air tempera-
ture using the YDIS.
7-17
Measure the intake air tem-
perature sensor input voltage.
7-17
Check the black/red (B/R) and
black/orange (B/O) intake air
temperature sensor leads for
continuity.
A-2
Measure the intake air tem-
perature sensor resistance.
7-17
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