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 - Page 1197 of 1313
TWO PRESSURE MODES INDICATED WITH STEADY MODE LIGHTS - Continued
STEP
20.
IS THERE BATTERY VOLTAGE PRESENT AT PINS X AND V ON CTIS WIRING HARNESS CANNON PLUG
AT ECU?
a.
Refer to point to point schematics.
T0983DAA
Figure 18.
CTIS Wiring Harness.
CAUTION
Turn battery switch to OFF position before disconnecting or connecting ECU wiring
harness. Failure to do so may result in damage to ECU.
b.
Turn battery switch to OFF position.
c.
Disconnect CTIS wiring harness cannon plug at ECU.
d.
Set multimeter to measure VDC.
TM 9-2320-272-23-1
0144
0144-20
Back to Top
