Ski-Doo REV Series Shop Manual

Section 05 2–TEC ENGINE MANAGEMENT
Subsection 02 (COMPONENT INSPECTION AND ADJUSTMENT)
KNOCK SENSOR (KS)
1
A32C9ZA
1. Knock sensor (KS)
Dynamic Test
Lift rear of vehicle off the ground and support it
with a wide-base mechanical stand.
Using the vehicle communication kit (VCK) with
the B.U.D.S. software, monitor the knock sensor
using the Faults section.
Start the engine and bring engine RPM above
6000 RPM. If no fault code occurs, the knock
sensor is good.
Otherwise, do the following.
Ensure sensor and head contact surfaces are
clean and mounting bolt and washer are correct
and properly torqued down.
Check the knock sensor circuit on wiring harness.
Disconnect the connector from knock sensor har-
ness.
Disconnect connector DA form the ECM and
check continuity of circuit as per following table.
A32C9NB
22
8
CIRCUIT NUMBER
(ECM CONNECTOR A)
KS CONNECTOR
DA-22 PIN 1
DA-8 PIN 2
If test is not good, repair the connector or replace
the wiring harness between ECM connector and
knock sensor.
Replacement
Unscrew and remove knock sensor from cylinder
head.
Clean contact surface, then install the new knock
sensor.
Torque screw to 24 N•m(18lbf•ft).
CAUTION: Improper torque might prevent sen-
sor to work properly and lead engine to severe
damage of internal components.
Replug connector.
196 mmr2004-Rev

Ski-Doo REV Series Specifications

General

Chassis	REV
Track Width	15 in
Fuel Capacity	10.6 gal
Seating Capacity	1
Reverse	Available on most models
Electric Start	Available on most models