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 00-34 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). DO TEST PROBE CABLE OFFSET: • Short clip leads of test probe cable W2 together. • 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? 1 • STE/ICE-R is bad. Replace. NOTE Check voltage drop across solenoid, and all cables/ connections in positive side of starter circuit. Use procedure outlined below for each voltage drop check. NOTE Test GO 1 (WP 0017 00), VTM Connections and Checkout, must be performed before running any other STE/ICE-R test. NO YES TEST NO. TEST 89 0–45 VOLTS DC PROMPTING MESSAGE NOTE After completing repair, rerun GO Chain tests (WP 0017 00) to verify that problem is fixed and no other problems exist. BATTERY COMPARTMENT— POSITIVE SIDE VOLTAGE DROP CHECKS NG120 TK MODE MEASURE VOLTAGE DROP: • Connect clip leads of W2 across part to be measured. • Press TEST switch. • Press starter switch on vehicle. • The voltage drop across a connection should be less than 0.1 volt and the drop across a cable should be less than 0.2 volt. • Repair or replace defective part. 2