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Home >> Saturn >> 2007 >> ION L4-2.2L >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Symptoms - Antilock Brake System
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Symptoms - Antilock Brake System



Symptoms - Antilock Brake System

Important: The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - Vehicle, before using the Symptom Tables in order to verify that all of the following are true: Initial Inspection and Diagnostic Overview

^ There are no DTCs set.

^ The control module(s) can communicate via the serial data link.

2. Review the system operation in order to familiarize yourself with the system functions.

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the antilock brake system.
* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
* Inspect the master cylinder reservoir for the proper fluid level.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

* ABS Indicator Always On
* ABS Indicator Inoperative
* Traction Control Indicator Always On
* Traction Control Indicator Inoperative

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