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 230 of 1417
ABS - CODE B+LO 90 (ABS VOLTAGE BELOW 21.0 VOLTS) - Continued
STEP
2.
ARE BATTERY CABLES AND CONNECTIONS OK?
Check all battery cables for loose or damaged connections. Refer to point to point schematics.
CONDITION/INDICATION
ARE BATTERY CABLES AND CONNECTIONS OK?
DECISION
YES - Notify supervisor. It is possible that another troubleshooting work package applies.
NO - Repair or replace faulty battery cable (WP
0349) or battery ground
cable (WP
0350). Go to Step (3) to verify problem is solved.
STEP
3.
IS YOUR ORIGINAL PROBLEM STILL PRESENT?
a.
Ensure vehicle is returned to normal operating condition.
b.
Perform Clear Historical Codes Procedure (WP
0159).
c.
Start vehicle.
d.
Operate vehicle to a speed of 20 miles per hour. Applying brakes several times.
e.
Return vehicle to park position.
f.
Perform ABS - Start- Retrieving Fault Codes With Haldex Info Center (Scan Tool) (WP
0161).
g.
Check to see if your original fault code still exists.
CONDITION/INDICATION
IS YOUR ORIGINAL PROBLEM STILL PRESENT?
DECISION
YES - Notify supervisor.
NO - Problem fixed.
END OF WORK PACKAGE
TM 9-2320-272-23-2
0182
0182-3/4 blank
Back to Top
