TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0018 00 0018 00-21 SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINE— REPROGRAMMABLE STE/ICE-R NO-GO CHAIN TROUBLESHOOTING (Contd) Table 2. STE/ICE-R No-Go Chain Test (Contd). NO YES NO YES NO YES STARTER CIRCUIT TESTS (Contd) NG80 TK MODE INSTALL TEST PROBE CABLE: • Connect P1 of test probe cable W2 to J4 on VTM. • Short red and black clip leads together. 6 DO TEST PROBE CABLE OFFSET: • Dial 89 into TEST SELECT switches. • Press and hold TEST until CAL message appears on display. • Release TEST. • Wait for offset value to appear on display. • Is offset value within limits of –6.8 to +6.8? 7 CHECK STARTER VOLTAGE: • Connect black clip lead of test probe cable to negative battery terminal. • Connect red clip lead of test probe cable to positive terminal of starter motor. • Press TEST. • Crank engine and observe displayed voltage. • Is starter voltage above 17 volts? 8 • Check switches, wiring, and relays to starter solenoid. If these are OK, replace starter (WP 0088 00). • Proceed to step 9. • Proceed to step 10. 10 PROMPTING MESSAGE NOTE After completing repair, rerun GO Chain tests (WP 0017 00) to verify that problem is fixed and no other problems exist. • STE/ICE-R is bad. Replace. CHECK STARTER SOLENOID: • Attempt to start engine while listening for clicks of starter solenoid. • Does starter solenoid click? 5 9