STE/ICE-R VEHICLE SYSTEM DIAGNOSTIC CHECK - CONTINUED

TM 10-3930-660-24-1

TROUBLESHOOTING PROCEDURES WITH STE/ICE-R - CONTINUED

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STE/ICE-R VEHICLE SYSTEM DIAGNOSTIC CHECK - CONTINUED

Refer to the manual provided with the STE/ICE-R kit for description and operation of the Vehicle Test Meter (VTM)

and the Transducer Kit (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 spe-

cific 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 flow chart with test branching controlled by

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

GO testing and corrective 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 TK, the test is titled TK Mode

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

Observe the following rules when using the GO-Chain test sequence:

(1)

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

flow chart.

(2)

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

(3)

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.

(4)

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

(5)

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

Use the GO, NO-GO flow charts 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 also can be used as you become familiar with the

vehicle and STE/ICE-R equipment.

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

Check drive belt for proper tension. Replace cracked or frayed belt.

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 batteries are 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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