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Keypad Test
Procedure
1.
Connect the (-) lead of an analog voltmeter to the black wire in the
8 pin connector (Pin No. 8).
2.
Set the voltmeter range to a setting greater than 6V DC.
3.
Connect the other lead (+) of the voltmeter to the corresponding wire
shown in Table 1.
4.
With the corresponding wire button activated the meter should show a
momentary
voltage
pulse.
If
no
pulse
is
evident
the
Keypad
is
defective and should be replaced.**
Note:
The keypad and system has to be checked while all connections to
the vehicle are in place.
Failure to do so can result in erroneous readings.
Note:
Actuation of the Keypad should
operate the
tone
function with
minimal effort applied to the button face.
Replace keypad if excessive
force is required.
*
Refer to the back side of 8 pin connector.
**
Providing the keypad is supplied with power (5V DC) on the red wire
(Pin 1) and ground on the black wire (Pin 8)
TABLE 1
Wire
* Pin
Operation
Function
Color
Location
Actuated Not Actuated
1 2
White
3
Min 4V DC
OV DC
3 4
Blue
4
Min 4V DC
OV DC
5 6
Orange
5
Min 4V DC
OV DC
7 8
Brown
6
Min 4V DC
OV DC
9 10
Yellow
7
Min 4V DC
OV DC
TABLE 2
H-31
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