Ski-Doo Ski Doo MX Z 2005 [236/1429] Replacement

Ski-Doo Ski Doo MX Z 2005 [236/1429] Replacement
Section 05 ENGINE MANAGEMENT (POWER TEK)
Subsection 03 (COMPONENT INSPECTION, REPLACEMENT AND ADJUSTMENT)
Validation of Pins 1 and 3
Reconnect ECM connector.
Connect a voltmeter between pin 1 and 3 in TPS
connector of wiring harness.
Voltageshouldbe5V.
Otherwise, disconnect ECM connector and check
continuity of wires between TPS connector and
ECM connector.
A34E0LB
32
17
16
1
ECM CONNECTOR
TPS CONNECTOR ECM CONNECTOR
PIN 1 DA-22
PIN 3 DA-1
If wire/connectors do not test good, repair/replace
wire/connector. Otherwise, try a new ECM.
Perform resistance test to validate the TPS sensor.
Resistance Test
Reconnect the TPS connector.
Disconnect ECM connector.
Unscrew idle speed screw until there is a gap with
the throttle lever stopper.
NOTE: The gap between idle speed screw and
stopper is important to ensure throttle slide is
completely closed to read TPS resistance values.
A33C51A
1
2
A
1. Idle screw
2. Throttle lever stopper
A. Gap required here
Activate throttle lever 2 3 times to make sure
throttle slides are fully closed.
Using a multimeter, check resistance values as per
the following table.
ECM
CONNECTOR
THROTTLE
IDLE
POSITION
WIDE OPEN
THROTTLE
POSITION
PIN PIN Resistance
22 4 3680 5520 480 720
22
1
4000 6000 4000 6000
4 1
480 720 3680 5520
NOTE: The resistance value should change
smoothly and proportionally to the throttle move-
ment. Otherwise, replace TPS.
If resistance values fail, replace TPS.
Since the idle screw was loosened, perform the
Closed Throttle Reset procedure.
Replacement
See above to gain access to TPS.
Loosen two screws retaining the TPS.
Remove TPS.
mmr2005-107 219

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