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GTX Limited iS 2009
Инструкция по эксплуатации Страница: 426

Sea-Doo GTX Limited iS 2009 Инструкция по эксплуатации онлайн [426/555] 12053

Section 06 STEERING AND PROPULSION

Subsection 02 (iBR AND VTS)

7. Install remaining parts in the reverse order of

removal, refer to appropriate procedure in this

subsection.

Models With Plastic Retaining Tabs

on Fitting Plate

NOTE: Installation is the same as the model with

metal retainer except for the following.

1. Insert the fitting plate through the outer plate.

2. Push the fitting plate in until it bottoms out and

the retaining tabs (x2) snap securely into posi-

tion.

NOTICE

Ensure both tabs are properly locked

to secure fitting plate to the support plate. If

fitting plate is not properly locked in position,

water may seep into the bilge.

smr2009-043-008_b

1. Top fitting plate retaining tab (bottom tab similar)

3. Install remaining parts in the reverse order of

removal, refer to appropriate procedure in this

subsection.

VTS CONTROL BUTTON

VTS Button Overview

The VTS button contain a series of 4 diodes for the

UP and DOWN arrow switches. Refer to

WIRING

DIAGRAM

The center wire to the switches (pin C), is com-

mon for iS button and VTS button (somewhat like

a ground wire). The other two wires (pins A and

B), act as signal wires for each set of switches to

the gauge. They actually each form one branch of

an electronic circuit within the gauge.

Each diode (in circuit) drops a nominal 0.6 Vdc

when conducting electricity. If the circuit current

passes through all four diodes (say VTS switch

open), a drop of 2.4 Vdc would be measured

across the 4 the diodes (pin A to pin C). This 2.4

Vdc at pin B tells the gauge the VTS switch is

open.

If the VTS UP button is pressed, 2 diodes are by-

passed by the closed switch. The remaining two

diodes in the circuit drop 1.2 Vdc (at pin A).

If the VTS DOWN button is pressed, 1 diode is by-

passedby the closed switch. The remaining three

diodes in the circuit drop 1.8 Vdc (at pin A).

The gauge senses these voltages through pin 13

of its connector, and interprets them as signals

that tell it which is activated (VTS UP or VTS

DOWN).

Since the command generated by the closure of

a VTS switch concerns the VTS module, a circuit

within the gauge will translate it to CAN proto-

col and transmit it through the CAN bus. The VTS

module will react to the command, carry out the

function, and transmit the result back through the

CAN bus.

The gauge will use the signals from the switches

and the transmitted information from the other

modules, convert them to an indication, and

cancel the command signal it sent out once the

function has been carried out.

NOTE: The above stated voltages vary slightly de-

pending on the actual voltage applied to the circuit

and the current flow through the diodes. When

using a Fluke 115 multimeter for testing in diode

test mode, the voltage and current applied by the

multimeter are lower than in circuit. The quality

of probe contact, the actual probes and leads, and

the precision of the meter calibration will all affect

the results, which will most likely be slightly lower

than nominal values stated.

VTS Control Button Functional Test

Using iBR OVERRIDE Function

1. Press the START/STOP button.

2. Install D.E.S.S. key to power up the electrical

system.

NOTE: Electrical power will shut off after approx-

imately 3 minutes. Briefly press the START/STOP

button to reactivate the electrical system when re-

quired.

3. Activate the iBR override function, refer to

SYS-

TEM DESCRIPTION (iBR

) in this subsection.

4. Press and hold the VTS DOWN arrow button.

The iBR gate and steering nozzle will move

downwards together up to the full VTS down

position. The iBR gate will then continue mov-

ing to the full reverse/braking position alone.

smr2009-037 403

Sea-Doo GTX Limited iS 2009 Инструкция по эксплуатации онлайн [426/555] 12053

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