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 193 of 1417
ABS - CODE BUDU 78 (LEFT SIDE - BLUE CHANNEL)
STEP
1.
DOES A SHORT CIRCUIT TO GROUND EXIST IN THE LEFT (BLUE), DUMP SOLENOID?
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.
T0963DAA
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.
TM 9-2320-272-23-2
0176
0176-2
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