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 00-23 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). STARTER CIRCUIT TESTS (Contd) NG80 TK MODE CHECK STARTER SOLENOID VOLTAGE: • Move red clip lead of test probe to positive terminal of starter solenoid. • Press TEST. • Crank engine and observe displayed voltage. • Is starter solenoid voltage above 18 volts? 10 • If starter circuit resistance was high in step 2, proceed to Battery Compartment –Positive Side—Voltage Drop Checks, NG 120. • If GO message occurred during starter circuit resistance test in step 2, check switches and wiring to solenoid, If OK, replace starter (WP 0088 00). NOTE After completing repair, rerun GO Chain tests (WP 0017 00) to verify that problem is fixed and no other problems exist. NO YES NO YES NG120 NG81 NOTE After completing repair, rerun GO Chain tests (WP 0017 00) to verify that problem is fixed and no other problems exist. • Go to Battery Test, NG 81. • Check switches and wiring to starter solenoid. • Repair as necessary (WP 0089 00 or WP 0090 00). CHECK BATTERY VOLTAGE WHILE CRANKING: • Dial 67 into TEST SELECT switches and press TEST. • Crank engine and observe displayed voltage. • Was battery voltage above 19 volts while cranking? 11