TM-9-2320-272-23-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5

SEPTEMBER 2012
TM-9-2320-272-23-1

  TM-9-2320-272-23-1 - Page 1198 of 1313

TWO PRESSURE MODES INDICATED WITH STEADY MODE LIGHTS - Continued
e.
Turn battery switch to ON position.
f.
Connect multimeter red lead to CTIS wiring harness cannon plug pin V.
g.
Connect multimeter black lead to CTIS wiring harness cannon plug pin X.
h.
Meter reading should be between 18 and 26 VDC.
CONDITION/INDICATION
IS THERE BATTERY VOLTAGE PRESENT AT PINS X AND V ON CTIS WIRING HARNESS CANNON PLUG
AT ECU?
DECISION
YES - Go to Step (21).
NO - Perform Engine Fails To Crank troubleshooting (WP
0006).
TM 9-2320-272-23-1
0144
0144-21


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