TM-9-2320-283-13-P
ANTI-LOCK BRAKE SYSTEM (ABS) M915A1
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
AUGUST 2012
TM-9-2320-283-13-P - Page 70 of 400
TM 9-2320-283-13&P
0012
0012-6
2nd Blink Code
Fault
Corrective Action
3
Open or shorted
a. Verify 1,500–2,500 ohms across sensor leads.
b. Verify no continuity between sensor leads and ground or
voltage.
c. Verify no continuity between sensor leads and other
sensors.
d. Check for corroded/damaged wiring or connectors between
the ECU and the wheel speed sensor. Refer to
WP 0035.
4
Loss of sensor signal
a. Adjust sensor to contact tone ring. Refer to WP 0022.
b. Rotate wheel and verify a minimum of 0.25 VAC sensor
output at 0.5 RPS.
c. Verify condition of sensor head.
d. Verify mounting of tone ring and condition of slots in tone
ring. Refer to WP 0021.
e. Verify proper bearing end play. Refer to WP 0019.
f. Verify condition and tension of clamp sleeve. Refer to
WP 0019.
g. Verify sensor clamping and cable routing. Refer to
WP 0022.
h. Check for corroded/damaged wiring or connectors between
ECU and wheel speed sensor. Refer to WP 0035.
5
Wheel end
a. Verify mounting of tone ring and condition of slots. Refer
to WP 0021.
b. Verify proper bearing end play. Refer to WP 0022.
c. Verify no continuity between sensor leads and other
sensors.
d. Check for corroded/damaged wiring or connectors between
the ECU and the wheel speed sensor. Refer to WP 0035.
e. Check mechanical function of brake. Refer to
TM 9-2320-283-20.
f. Check for kinked or restricted air tubes and holes. Refer to
WP 0023.
DIAGNOSTIC TROUBLE CODE TABLES–CONTINUED
Back to Top
