WABCO iABS 2S/1M Standard, Maintenance Manual

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Sensor Adjustment and Component Testing
Fig. 8.9
4015790a
 Make sure there is sensor output. If sensor output is displayed, sensor test is complete.
 If there is no sensor output, verify that a tone ring has been installed and that the sensor is pushed
all the way in against the tone ring. Make the necessary repairs and repeat the sensor test. If the
problem persists, contact WABCO
Customer Care Center at 855-228-3203
.
8. Check Order fi elds to verify sensors were installed in the right location based on orientation of the
valves. Figure 7.7.
Refer to the sensor locations in this section.
8.4.5 Sensor Orientation Test
This test is not for use on 4S/3M or 4S/2M (Axle Control) installations.
For 4S/3M and 4S/2M (Axle Control) installations, use the standard Sensor Test. To run the standard test,
select Sensor Test from the Components Test Menu.
The sensor orientation test must be performed as part of the end of line testing procedure.
8.4.5.1 Sensor Orientation Test Screen
For 4S/3M and 4S/2M (Axle Control) installations, use the standard Sensor Test. To run the standard test,
select Sensor Test from the Components Test Menu.
The sensor orientation test must be performed as part of the end of line testing procedure. Sensor
Orientation Test Screen
Before beginning this test, look at the control port to see if it faces the front or rear of the trailer. TOOLBOX
PLUS™ will ask for this information to start the test (Step 5). To perform the sensor orientation test:
1. Raise the sensed wheel ends off the ground.
2. Apply air to the emergency line to fi ll the air tanks and release the spring brakes so that the wheels
can be rotated.