145
Examples of Static checks: Battery voltage, fuel gauge/
sensor, and TPS (0% @ closed throttle, 95-100% @
WOT).
EFI007
Examples of Dynamic checks: Battery charging, coolant
temperature including fans ON/OFF (see below), MAP/
IAT, tachometer, and speedometer signal.
EFI003
*Fan Schedule: Fan ON @ 185 degrees F, OFF @ 175 degrees F.
*High Temperature REV Limiter 5000 RPM @ 230 degrees F.
*Thermostat opens @ approximately 180 degrees F noted by a 2-5
degree drop momentarily.
Coolant (COOL) Diagnostic Mode
EFI 003
Display: Engine coolant temperature as measured by the
ECT sensor.
DTC: P0116, P0117, P0118, P0119
Usage: Monitor coolant temperature to verify the follow-
ing.
1. ECT sensor signal
2. High Temperature indicator (on @ 230 degrees F).
3. Thermostat opening @ approximately 180 degrees F,
indicated by a momentary drop or pause in the rising
temperature reading.
4. Fan ON @ 185 degrees F, OFF @ 175 degrees F.
A. fan motor
B. fan relay
C. fan fuse
D. wiring connections
5. High Temperature Rev Limiter 5000 RPM @ 230
degrees F.
Fuel Sensor (FUEL) Diagnostic Mode
EFI010
Display: Fuel level signal from the fuel level sensor (mea-
sured in ohms).
DTC: C1400, C1401, C1402
Usage: Check output of the fuel level sensor
1. Full fuel is indicated by a reading of 86-100 ohms
2. Empty is indicated by a reading of 0-5 ohms
* 110-500 ohms, suspect the fuel level sensor or wiring
* 0-100 ohms but no fuel gauge indication, suspect the fuel gauge
Tachometer (tACH) Diagnostic
Mode
EFI009
Display: Engine RPM
DTC: P0336, P0337, P0339
Usage: Verify engine speed signal from the following.
1. CKP (crankshaft position) sensor to ECM
2. ECM (CAN) signal to gauge (tachometer)
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Страница 192: ...Printed in U S A Trademarks of Arctic Cat Inc Thief River Falls MN 56701 p n 2259 861...