STE/ICE-R TESTING PROCEDURES

TM 10-3930-660-24-1

STE/ICE-R VEHICLE SYSTEM DIAGNOSTIC CHECK - CONTINUED

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DESCRIPTION AND OPERATION - CONTINUED

Refer to the manual provided with the STE/ICE-R kit for description and operation of the VTM and the TK.

STE/ICE-R TESTING PROCEDURES

The vehicle test procedures consist of two test sequences; GO-Chain Sequences and NO-GO-Chain Sequences. A GO-

Chain sequence is a logical sequence of tests performed to determine the general condition of the vehicle. If the vehicle fails

any of the GO-Chain tests, the test will direct the user to a specific NO-GO test for further testing. The NO-GO tests are used

to isolate what is wrong with the vehicle.

The GO and NO-GO-Chain sequences are presented as an illustrated flowchart with test branching controlled by YES or

NO decisions. Generally, a YES test determination leads to the next test; a NO determination leads to NO-GO testing and cor-

rective action.

When the VTM interfaces with the vehicle through the Diagnostic Connector Assembly (DCA) the test is titled DCA

Mode Testing. If the VTM interfaces with the vehicle through the use of the transducer kit (TK), the test is titled TK Mode

Testing. The DCA and TK testing modes can be sued at the same time.

Always start at GO1. Never enter the middle of a GO or NO-GO testing sequence unless directed by the flow chart.

Follow each instruction in a GO-Chain Test Sequence. Do not skip any instructions or procedures.

If a particular test is failed in a GO-Chain test sequence, proceed to the indicated NO-GO-Chain test sequence or to a

higher level of maintenance.

After correcting a vehicle problem, repeat the testing beginning at GO1.

Each GO-Chain testing sequence depends upon the completion of the previous test. Do not skip any tests.

Use the GO, NO-GO flowcharts for testing. As you become more familiar with the test procedures, you can use the

Vehicle Test Cards as your sole reference. The flip cards on the VTM can also be used as you become familiar with the vehicle

and STE/ICE-R equipment.

Prior to testing, make the following pre-test inspections:

Check fan belts for proper tension. Replace cracked or frayed belts.

Check for proper engine oil level. Add oil as necessary.

Check that the fuel tank has enough fuel for testing.

Check for proper engine coolant level. Add coolant as necessary.

Check that the battery is in good condition. Check for low electrolyte level and add distilled water as

required.

Check that emergency steering pump is turned off when required by test.

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