MAR99 through JUN01 Personality Modules

TM 9-2320-312-24-2

Troubleshooting Section

OCT01 and newer Personality Modules.

"Input #5"

This parameter configures an input for a two-speed

MAR99 through JUN01 Personality Modules.

axle switch. When a two-speed axle is used, the

change in gear ratios from the main drive axle ratio

The "Input #5" to the ECM can be used to connect

to the two-speed axle ratio alters the calibration

an brake/clutch disable switch. The brake/clutch

of the vehicle speed signal. When the parameter

disable switch is used for applications that

is programmed to "J1/P1:6" and the switch is in

require the mobile use of the vehicle with a set

the ON position the ECM automatically adjusts the

engine rpm that does not require the brake or the

vehicle speed calibration. This will ensure that the

clutch to disengage the engine rpm set speed.

ECM driven speedometer and the information that

This parameter must be programmed to "Ignore

is stored in the ECM correctly reflect the actual

Brake/Clutch Switch" for this feature to be enabled.

vehicle speed.

Table 80

Table 83

Alternative

Default

Alternative

Default

"Ignore Brake/Clutch

"NONE"

Switch"

"J1P1:6"

"NONE"

"Ignore Brake/Clutch Switch"

"Input #7"

OCT01 and newer Personality Modules.

JUL99 through JUN01 Personality Modules.

This parameter configures an input for a brake/clutch

A PTO engine rpm set speed A switch or a

disable switch. The "Ignore Brake/Clutch Switch" is

diagnostic enable switch can be connected

used for applications that require the mobile use

to "Input #7". If the parameter is programmed

of the vehicle with a set engine rpm that does not

to "Diagnostic Enable", the switch is used to

require the brake or the clutch to disengage the

prompt diagnostic flash codes. If the parameter

engine rpm set speed. This parameter must be

is programmed to "PTO Engine RPM Set Speed

programmed to "J1/P1:47" for this feature to be

Input A", the switch is used to control engine speed

enabled.

during PTO operation. The "PTO Configuration"

parameter must be programmed to "Cab Switches",

Table 81

"Remote Switches" or "Remote Throttle" and the

"PTO Engine RPM Speed Input A" parameter must

Alternative

Default

be programmed to a valid speed.

"J1/P1:47"

"NONE"

Table 84

"Input #6"

Alternatives

Default

"Diagnostic Enable",

MAR99 through JUN01 Personality Modules.

"PTO Engine RPM Set

"NONE"

Speed Input A"

The "Input #6" to the ECM is used to connect the

two-speed axle switch. When a two-speed axle

"Diagnostic Enable"

is used, the change in gear ratios from the main

drive axle ratio to the two-speed axle ratio alters

OCT01 and newer Personality Modules.

the calibration of the vehicle speed signal. When

the parameter is programmed to "Two Speed

This parameter configures an input for a diagnostic

Axle Switch" and the switch is in the ON position

enable switch. The diagnostic enable switch is

the ECM automatically adjusts the vehicle speed

used to retrieve diagnostic flash codes. Set this

calibration. This will ensure that the ECM driven

parameter to "J1/P1:46" if a switch is wired to this

speedometer and the information that is stored in

input. Set this parameter to "J1939 Body Controller",

the ECM correctly reflect the actual vehicle speed.

"J1939 Cab Controller", or "J1939 Instrument

Cluster" if a J1939 message is used.

Table 82

Alternative

Default

"Two Speed Axle Switch"

"NONE"

"Two-Speed Axle Switch"