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 71 of 400
TM 9-2320-283-13&P
0012
0012-7
Table 1.
Wheel Speed Sensors–Continued.
2nd Blink Code
Fault
Corrective Action
6
Erratic 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. 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 0034.
7
Tire size calibration
a. Verify correct tire size as desired.
b. Verify proper tire inflation.
c. Verify correct number of tone ring slots.
8
Configuration
a. ECU is configured for four sensors but has detected the
presence of additional sensors.
b. Verify sensor wiring and ECU configuration.
Table 2.
Pressure Modulator Valves (PMV).
1st Blink Code
Location
Corrective Action
7
8
9
10
Left steering axle PMV
Right steering axle PMV
Left drive axle PMV
Right drive axle PMV
2nd Blink Code
Fault
Corrective Action
1
Release solenoid shorted to
ground
a. Verify no continuity between PMV leads and ground.
b. Verify 4.9 to 5.5 ohms from REL to CMN and HLD to
CMN and 9.8 to 11 ohms from REL to HLD.
c. Check for corroded/damaged wiring or connectors between
ECU and PMV.
2
Release solenoid shorted to
voltage
a. Verify no continuity between PMV leads and voltage.
b. Verify 4.9 to 5.5 ohms from REL to CMN and HLD to
CMN and 9.8 to 11 ohms from REL to HLD.
c. Check for corroded/damaged wiring or connectors between
ECU and PMV.
3
Release solenoid open
circuit
a. Verify 4.9 to 5.5 ohms from REL to CMN and HLD to
CMN and 9.8 to 11 ohms from REL to HLD.
b. Check for corroded/damaged wiring or connectors between
ECU and PMV.
DIAGNOSTIC TROUBLE CODE TABLES–CONTINUED
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