Test Step 1. Determine the Type of Problem -807640558

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TM 9-2320-312-24-2

Troubleshooting Section

g00643881

Illustration 167

Schematic for cruise control switch, service brake pedal position (switch 1) and clutch pedal position switch

Test Step 1. Determine the Type of

D. Ensure that the vehicle is not experiencing

Problem.

a problem due to one of these parameters.

Refer to Troubleshooting, "Customer Specified

Parameters" for a description of the parameters,

A. Connect ET to the cab data link connector.

if necessary.

B. Turn the ignition key switch to the ON position.

E. Check the ET status screen that indicates the last

cause of a kickout for one of the following items:

C. If the vehicle will not allow setting a cruise

speed, an idle speed or a PTO speed, check the

Cruise Control Kickout

following Customer Parameters:

Idle Kickout

Cruise Control Parameters

Fast Idle Kickout

"Low Cruise Control Speed Set Limit"

PTO Kickout

"High Cruise Control Speed Set Limit"

Refer to Tables 186, 187, 188, and 189 for the

Idle Parameters

meaning of the ET status parameter.

"Fast Idle RPM #1"

Expected Result:

"Fast Idle RPM #2"

The problem is due to a parameter setting or the

"Idle Vehicle Speed Limit"

problem is due to a normal kickout.

"Idle RPM Limit"

Results:

Yes Explain the proper operation of system to

"Top Engine Limit" (TEL)

the driver. STOP.

PTO Parameters

"PTO Configuration"

Repair: Refer to tables 186, 187, 188, and 189 for

"PTO Vehicle Speed Limit"

recommended troubleshooting.