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X2 Eagle
ABS DTC Troubleshooting Data
Version: 1.0
Date: 03-Dec-15
Author: ERC, Chassis E&E CoC
Page: 26 of 154
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TATA MOTORS Ltd.
This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
C0034-64:- Right Front Wheel Speed Sensor- Signal Plausibility Failure
Overview:
ISO Code
C0034-64
Customer Symptom
Warning Light Displayed
Fault Effects (On Vehicle)
EBD – Available, ABS – Not available
Lamp Status (If Any)
ABS – ON, EBD – OFF
Fault Detection Condition
FR WSS is not functioning as expected
Normal Operating Condition
ABS is functional in between 10 to 16V
Probable Trouble Area
Loose contact/intermittent short in the WSS line
Too much air gap
ECU faulty
Faulty WSS
Worn or Missing teeth
Non-plausible high wheel
acceleration/Gradient/frequency
Healing Condition
Fault identification and rectification/ WSS replacement
Component Details:
Wheel Speed Sensor
: A wheel speed sensor is part of the Anti-lock Brake System (ABS). It is located on the tires. The
job of the wheel speed sensor is to constantly monitor and report the rotational speed of each tire to the ABS control
module.
Preliminary Checks:
Check for loose contact/intermittent short in the WSS line and remove it. (Pin no. 8, 4, 18 and 29 w.r.t to GND (pin
no.13) and battery(pin no.1)
Check WSS is installed and WSS is not dislodged from bracket / WSS is securely fastened.
Check air gap. It should not be too much.
Check for worn or missing teeth.