DIAGNOSTIC STARTING POINT - STEERING COLUMN
Begin the systemdiagnosis by reviewing the systemDescription and Operation. Reviewing the Description and Operation information will help you determine the correct symptomdiagnostic procedure when a malfunction exists. Reviewing the Description and Operation information will also help you determine if the condition described by the customer is normal operation. Refer to Symptoms - Steering Wheel and Column in order to identify the correct procedure for diagnosing the systemand where the procedure is located.
SYMPTOMS - STEERING WHEEL AND COLUMN
Review the systemdescription and operation in order to familiarize yourself with the system functions. Refer to Steering Wheel and Column Description and Operation .
Visual/Physical Inspection
Inspect for aftermarket devices which could affect the operation of the steering wheel and column.
Inspect the easily accessible or visible systemcomponentsfor obvious damage or conditions which could cause the symptom.
Symptoms List
Refer to a symptomdiagnostic procedure fromthe following list in order to diagnose the symptom:
Lock System Does Not Unlock
Lock System Does Not Lock
Lock System Sticks In Start
Key Cannot Be Removed in the Off Lock Position
High Lock Effort
Noise In Steering Column
High Shift Effort
Looseness In Steering Column
Steering Column Tilt Function Inoperative
LOCK SYSTEM DOES NOT UNLOCK
4: Identifying Lock System Does Not Unlock Diagnostic Table Courtesy of GENERAL MOTORS CORP.
LOCK SYSTEM DOES NOT LOCK
Fig. 5: Identifying Lock System Does Not Lock Diagnostic Table (1 Of 2) Courtesy of GENERAL MOTORS CORP.
Fig. 6: Identifying Lock System Does Not Lock Diagnostic Table (2 Of 2) Courtesy of GENERAL MOTORS CORP.
LOCK SYSTEM STICKS IN START
Fig. 7: Identifying Lock System Sticks in Start Diagnostic Table Courtesy of GENERAL MOTORS CORP.
KEY CANNOT BE REMOVED IN THE OFF LOCK POSITION
Key Cannot Be Removed In Off Lock Position Diagnostic Table
LOCK EFFORT
Fig. 9: Identifying High Lock Effort Diagnostic Table Courtesy of GENERAL MOTORS CORP.
NOISE IN STEERING COLUMN
Fig. 10: Identifying Noise in Steering Column Diagnostic Table (1 Of 2) Courtesy of GENERAL MOTORS CORP.
11: Identifying Noise in Steering Column Diagnostic Table (2 Of 2) Courtesy of GENERAL MOTORS CORP.
SHIFT EFFORT
