Section VII. STE/lCE TROUBLESHOOTING

TM 9-2320-260-20

(SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINES)

2-16. GENERAL

a. This section is applicable only if STE/ICE is available. The section contains information and tests

which may be used with STE/ICE to locate malfunctions that may develop in vehicle. Tests can be used

during troubleshooting, PMCS, or after replacing parts to isolate malfunctions, anticipate failures, and

to make sure that proper repairs have been made.

NOTE

See Tables 2-8 and 2-9 for a listing of STE/ICE tests and their

related page numbers.

b. STE/ICE is used primarily with the vehicle electrical system. These tests cannot cover all possible

malfunctions which may occur. If a particular malfunction is not covered, refer to Troubleshooting Index

(Chapter 2) and locate troubleshooting procedure for malfunction observed. To obtain maximum number

of observed symptoms of the malfunction, question the operator.

2-17. STE/lCE CHAIN INDEX

Preventive Maintenance Checks and Services (Table 2-1) contain a list of various malfunctions which

may occur during operation or inspection of the vehicle. When one of the malfunctions listed occurs, the

mechanic proceeds to the associated STE/ICE Chain Index (Tables 2-8 and 2-9).

2-18. VEHICLE TEST METER (VTM) TROUBLESHOOTING

Vehicle test meter (VTM) troubleshooting procedures can be found in STE/ICE Go-Chain Tests (Table

2-10). Additional VTM troubleshooting can be found in TM 9-4910-571-12&P, Simplified Test Equipment

for Internal Combustion Engines.

2-19. STE/lCE TESTS AND SETUP PROCEDURES

a. STE/ICE Tests. The STE/ICE testing capabilities that may be applied to the M809 PMCS are listed

in Table 2-9 and are included in Table 2-11. Test capabilities that may be applied to troubleshooting are

specified in Table 2-8.

b. STE/ICE Setup Procedure. STE/ICE setup and internal checks (test No. G01, Table 2-10) must

be performed prior to performing tests.

2-20. STE/lCE DESCRIPTION AND OPERATION

a. General. The following describes operation of Simplified Test Equipment/Internal Combustion

Engines (STE/ICE) system and contains detailed operating procedures.

It is used to test serviceability of 5-ton vehicles and to perform primary fault detection and isolation.

After technician has identified a faulty part or subsystem, he is referred to a paragraph number for

replacement or repair procedures for individual parts.

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