- Тип техники
- Бренд
Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 1199
Section 06 ENGINE MANAGEMENT (4-TEC)
Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
COOLANT TEMPERATURE
SENSOR (CTS)
1
R1004motr165A
1. Coolant temperature sensor (CTS)
Resistance Test
Disconnect the plug connector from the CTS and
check the resistance of the sensor itself.
The resistance should be between 2280
and
2740
at 20°C(68°F).
Otherwise, replace the CTS.
If resistance tests good,reconnect the CTS and
disconnect the ECM connector A from the ECM.
R1503motr187A
11
27
Using a multimeter, recheck resistance value be-
tween terminals 11 and 27.
If resistance value is correct, try a new ECM. Refer
to ECM REPLACEMENT procedures elsewhere in
this section.
If resistance value is incorrect, repair the connec-
tors or replace the wiring harness between ECM
connector and the CTS.
Replacement
Disconnect CTS connector and remove CTS.
Install the new CTS and torque to 18 N•m
(159 lbf•in).
Reinstall remaining removed parts.
Refill and bleed the cooling system, refer to
COOLING SYSTEM subsection.
MANIFOLD AIR PRESSURE
SENSOR (MAPS)
1
R1004motr166A
1. Manifold air pressure sensor (MAPS)
NOTE: This sensor is a dual function device.
When engine is started and it runs at idle speed,
the sensor takes the atmospheric pressure and
stores it in the ECM. Thereafter, it takes the man-
ifold air pressure at operating RPMs.
Ensure sensor is correctly installed on intake
manifold. Otherwise, the MAPS could generate
a fault code for an unexpected sensor range at
idle when it reads the atmospheric pressure.
Remove sensor and check for oil or dirt on its
end and if problem persists, check throttle plate
condition/position and the wiring harness. Per-
form the following tests.
Voltage Test
Check the voltage output from ECM to the mani-
fold air pressure sensor (MAPS).
mmr2005-032 335
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