TM-9-2330-335-14-P
SEMITRAILER, TACTICAL, BREAKBULK/CONTAINER TRANSPORTER, 22-1/2 TON, RESET M871R, M871A1R AND M871A2R
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE MANUAL (INCLUDES REPAIR PARTS AND SPECIAL TOOLS LIST)
SEPTEMBER 2008
TM-9-2330-335-14-P - Page 596 of 640
TM 9-2330-335-14&P
0105-4
0105
IGNITION POWER ACTIVATION
000105
Ignition Power Activation is the process of using the vehicle’s ignition switch (or interrupting the power on the blue wire by
some other means) to display blink codes on the trailer ABS indicator lamp located on the side of the trailer. This method is for
constant power vehicles only.
NOTE
For ignition power activation, power is provided by the ignition switch.
1.
Turn the ignition switch on for no longer than 5 seconds. The ABS indicator lamp will be on.
2.
Turn the ignition switch off. The ABS indicator lamp will go out.
3.
Turn the ignition switch on. The ABS indicator lamp will then come on, then go out.
4.
The blink code will be displayed three times by the ABS indicator lamp on the trailer.
END OF TASK
Table 1. Blink Codes.
BLINK CODE
PROBLEM AREA
ACTION
3
Sensor BU1
Determine sensor location.
Check sensor installation.
Make necessary repairs.
4
Sensor YE1
Determine sensor location.
Check sensor installation.
Make necessary repairs.
5
Sensor BU2
Determine sensor location.
Check sensor installation.
Make necessary repairs.
6
Sensor YE2
Determine sensor location.
Check sensor installation.
Make necessary repairs.
7
External ABS modulator valve
Verify proper electrical installation.
Check power supply. Make necessary
corrections.
9
Internal modulator failure, inlet valve
#2
Verify proper installation.
10
Internal modulator failure, inlet valve
#1
Verify proper installation.
11
Internal modulator failure, outlet
valve
Verify proper installation.
14
Power Supply
Verify proper electrical installation.
Check power supply. Make necessary
corrections.
15
ECU Failure
Verify proper installation.
16
SAE J1708 Failure
Internal failure, contact Meritor
WABCO.
17
SAE J2497 (PLC) Failure
Internal failure, contact Meritor
WABCO.
18
Generic I/O Failure
Verify proper electrical installation.
Check power supply. Make necessary
corrections.
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