TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 169 of 1417
ABS - CODE BUDU 68 (LEFT SIDE - BLUE CHANNEL)
STEP
1.
DOES AN OPEN CIRCUIT EXIST IN THE LEFT (BLUE), DUMP SOLENOID OR CABLE?
a.
Ensure battery and start switches are in the OFF position.
b.
Ensure main wiring harness 28 pin connector is properly connected and fully seated.
T0961DAA
FRONT RELAY VALVE WITH ECU (BLUE CHANNEL)
FRONT RELAY VALVE
SOLENOID TERMINAL PINS
28-PIN CONNECTOR
SOLENOID CONNECTOR
RESISTANCE VALUES - SOLENOID TERMINAL PINS
5-18 OHMS
30-36 OHMS
15-18 OHMS
Figure 1.
Front Relay Valve Solenoid Connector.
c.
Disconnect solenoid connector at front relay valve.
d.
Set multimeter to measure resistance.
TM 9-2320-272-23-2
0172
0172-2
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