Adjust the sensor and, ifnecessary, perform a fault code check.ĪBS - 2S/1M, 2S/2M MERITOR/WABCO COMPONENT KITSĢ Sensor/1 Modulator Valve(2S/1M) Configuration Shown If the ABS lamp does not go out, there is a sensor gap problem or hardware fault. The ABS indicator lamp should now go out and stayout indicating a correct installation. Wheel speed of approximately 4 mph (7 kph). Rotate each sensed wheel one at a time at a rate of 1/2 revolution per second. Remove the power from the ABS and raise the sensed wheels so they may be rotated.B. If the ABS indicator lamp comes on and stays on, check the sensor installation:A. If the indicator lamp comes on for three seconds and goes out: This indicates a correct installation. The ECU/single modulator valve assembly should click two times.3. Check power supply.Perform necessary repairs.Įnd of Line Testing without TOOLBOXSoftware1. If code continues, contactMeritor WABCO for assistance.ġ6 SAE J1708 Failure Internal failure, contact Meritor WABCO.ġ7 SAE J2497 Failure Internal failure, contact Meritor WABCO.ġ8 Generic I/O Failure Verify correct electrical installation.
Check power supply.Perform necessary repairs.ġ5 ECU Failure Verify correct installation. If code continues, contactmodulator valve assembly Meritor WABCO for assistance.ġ4 Power Supply Verify correct electrical installation. Perform necessary repairs.ħ ECU/single Verify correct installation. Perform necessary repairs.Ħ Sensor YE2 (roadside sensor) Check sensor installation. After performing the necessary repairs, repeat the end of line test to verify correct sensor installation.īlink Code Chart (Most common codes - for more info see Meritor Wabco TP-0173 chart)Blink Code Problem Area Action4 Sensor YE1 (curbside sensor) Check sensor installation. Find the fault on the chart and perform the necessary repairs.6. The fault code will be displayed three times.5. Check the trailer ABS indicator lamp on the side of the trailer. Apply constant power to the ECU/single modulator valve assembly for more than one, but less than five seconds.2. Perform a fault code check.įault Code CheckUse constant power activation to perform the following fault code check.1. Repeat the sensor installation check.If the trailer lamp still does not go out, a system fault exists. The value should be 0.2 volt AC when the wheel isrotated at a rate of 1/2 revolution per second. At installation, there must be no gap between thesensor and the tooth wheel. Sensor Gap AdjustmentPush the sensor into its holder until it contacts the tooth wheel.
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