October 2016 Service and Repair ManualAxle ComponentsPart No. 1268558 ZX-135/70 14110-1Steer SensorsThe steer sensors measure steer angle andcommunicates that information to the groundcontrols ECM. The steer sensor on the groundcontrols side of the machine at the square-end actsas the lead sensor when in front wheel steer mode.In rear wheel steer mode, the steer sensor on theground controls side of the machine at thecircle-end acts as the lead sensor. The other threesensors follow the position, or steer angle, of thelead sensor. There is a steer sensor mounted to thetop of each steer yoke upper pivot pin.How to Replace a Steer SensorNote: When the steer sensor is replaced, both thesensor and magnet must be replaced as a set.Note: Perform this procedure with the axles fullyretracted and the boom in the stowed position.1 Align the remaining wheels on the machine sothey are visually parallel to the chassis asclose as possible.2 Disconnect the steer sensor assembly cablefrom the main harness to be replaced.3 Remove the steer sensor cover retainingfasteners. Remove the steer sensor assembly.Note: If the sensor activator pin needs to bereplaced, install the new activator pin perIllustration 1.Illustration 1(square end, yellow side and circle end, blue side shown)
