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 181 of 1417
ABS - CODE BUHd 72 (LEFT SIDE - BLUE CHANNEL)
STEP
1.
DOES A SHORT CIRCUIT TO GROUND EXIST IN THE LEFT (BLUE), HOLD 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.
T0962DAA
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
0174
0174-2
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