21. Cycle ignition OFF, ON, OFF one time to learn VSS to the vehicle.
22. Use IDS to clear continuous DTCs.
23. If the vehicle is equipped with factory remote start, test its operation by pressing the Lock button
one time and the Remote Start button two times.
•If the vehicle remote starts, stop the engine by pressing the Remote Start button one time.
•
If the vehicle does not remote start, disconnect the vehicle battery negative terminal, wait five
minutes and then reconnect the battery negative terminal. For additional information, refer to
Workshop Manual (WSM) Section 414-01.
•Retest the factory remote start.
•If the vehicle does not remote start, diagnose the concern.
Shock Sensor Sensitivity Adjustment
NOTE:
The VSS module is equipped with an internal dual zone Shock Sensor. The VSS system will activate a
single horn honk/single light flash anytime a light to moderate impact is detected, and a "panic" type 30
second horn honk/light flash sequence when a heavy impact is detected while the VSS system is armed.
Adjustment of both zones is accomplished through a single adjustment knob on the VSS module.
Rotating the knob clockwise will increase sensitivity and rotating the knob counter-clockwise will
decrease sensitivity. Sensitivity adjustment must be completed with the module securely mounted and
the adjustment knob accessible.
24. Starting with the adjustment knob in approximately the halfway position, lower the driver's window
and exit the vehicle.
25. Press the LOCK button on the vehicle's RKE fob to arm the VSS system. The LED will light solid
for 20 seconds and then begin to flash a steady on/off sequence to indicate the system is armed.
26. Using a closed fist, impact the steering wheel with moderate force to simulate a light impact on the
vehicle. If the impact is detected, the horn will honk and the lights will flash 1 time to indicate the
warning impact was detected.
27. Using a closed fist, impact the steering wheel with heavy force to simulate a hard impact (i.e. glass
breakage) on the vehicle. If the impact is detected, the horn will honk and the lights will flash a
steady on off sequence to indicate the heavy or full shock trigger was detected.
28. Increase (rotate clockwise) or decrease (rotate counter-clockwise) the adjustment knob as necessary
to achieve desired sensitivity, repeat the previous steps to test, and verify adjustment.
VSS Functional Test
NOTE:
If installed, observe the LED while performing these tests.
NOTE:
Cycle ignition OFF, ON, OFF before testing.
29.
Lower the driver's door window, then close all doors, hood, and trunk/hatch and press lock on the
keyfob. The LED should stay lit for 20 seconds while the VSS system pre-arms, after which it will
flash every 3-4 seconds in fully armed mode.
30. Reach inside the window and use the inside driver's door handle to open the door. The LED should
continue to flash, indicating that the vehicle is still armed. The alarm should sound, indicating
perimeter breach. Turn the alarm off by turning the ignition to "On".
•If equipped with OE perimeter security, there will be a 12 second interior chime prior to alarm
sounding. For vehicles not equipped with OE perimeter security, there will be a 12 second delay
with no interior chime prior to alarm sounding.
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