TM-9-2330-334-13-P

FAMILY OF MEDIUM TACTICAL VEHICLES (FMTV) LOAD HANDLING SYSTEM TRAILER (LHST) M1147A1

TECHNICAL MANUAL; OPERATOR AND FIELD LEVEL MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)

DECEMBER 2013

CHANGE 1

TM-9-2330-334-13-P - Page 176 of 1184

TM 9-2330-334-13&P

ANTI-LOCK BRAKE SYSTEM (ABS) DIAGNOSTIC

LIGHT DOES NOT OPERATE-Continued

0031 00

BRAKE SYSTEM TROUBLESHOOTING - Continued

Table 1.

Anti-Lock Brake System (ABS) Diagnostic Light Does Not Operate - Continued.

Change 1

0031 00-12

INDICATION/CONDITION

DECISION (NO/YES)

PROCEDURAL STEPS

10.

Is continuity present from

ABS Power/Diagnostic cable

blue wire to ABS ECU

Power/Diagnostic Cable pin

3?

No.

Replace ABS ECU

Power/Diagnostic Cable

(WP 0074 00).

1.

Remove cover on junction

box for access (WP 0059

00).

Yes.

Go to (Indication/Condition

11).

2.

Connect positive (+) probe

of multimeter to ABS

Power/Diagnostic cable blue

wire terminal lug (located on

terminal 5 of junction box).

3.

Connect negative (-) probe

of multimeter to ABS ECU

Power/Diagnostic cable pin 3

and note reading on

multimeter.