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TM 9-2320-360-20-3
Section 5
DIAGNOSTIC DATA READER INFORMATION (Cont’d)
E. SWITCH/LIGHT STATUS
The Switch/Light Status Menu is the set of DDEC III data parameters that describe the operational (ON/OFF) status of the
functions assigned to the ECM input and output connector terminals.
NOTES:
(1) The connector cavity designations describe the physical locations of the assigned functions.
(2) The DDR displays the assigned functions the parameter text as described in Table 1 (Vehicle Switch Input Options) and
Table 2 (ECM Output Options) on page H-278.
(3) ‘N/A’ will be displayed if a function number of (0 = NONE) has been assigned to any of the connector cavities.
(4) ‘ON’ indicates that the input switch or output function is active.
ECM INPUT SWITCHES
Parameter [7]: G1 ----------
Definition:
Indicates the operational status of the switch input at vehicle connector cavity G1 (diagnostic request
switch).
Typical Range: ON or OFF
Parameter [13]: CHECK ENGINE LT
Definition:
Indicates the operational status of the check engine light.
Typical Range: ON or OFF
Parameter [14]: STOP ENGINE LT
Definition:
Indicates the operational status of the check gauges light.
Typical Range: ON or OFF
Parameter [22]: Al ----------
Definition:
Indicates the operational status of the output at the vehicle connector cavity Al (engine brake enable).
Typical Range: ON or OFF
H-285
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