Key Interlock - Service Procedure: Overview

No: 57/02/97/NAS
Ref: WSM section 57
Issue: 1
Date: 6/20/97

New Key Interlock Service Procedure

AFFECTED VEHICLE RANGE:

DISCOVERY (LP) VA703237 Onwards
VA534104 Onwards

SITUATION:

NEW PROCEDURE FOR REPAIR OF IGNITION KEY INTERLOCK SOLENOID

For vehicles equipped with early production steering column (ANR3752) an interlock solenoid kit is available which allows replacement of the interlock solenoid without replacing the steering column.

NOTE:
Late-design columns must be replaced as an assembly. Because replacement columns may be of the later design it is important to verify the column in the vehicle. See below for specific information to determine whether a vehicle has an early or late style column.

RESOLUTION:

DIAGNOSTIC STEPS FOR KEY INTERLOCK SOLENOID

1. Identify steering column type utilizing the identification procedure below.

2. Diagnose symptoms to determine if the fault is mechanical or electrical in nature.

3. Replace solenoid (or column assembly) or repair electrical circuit as necessary.

Refer to the Diagnosis and Repair sections for details.

PARTS INFORMATION:

5TC4024 Interlock Solenoid Kit
Locally sourced Loctite(R)242 Thread Locking Compound

NOTE:
Late-design steering columns may not be repaired. They must be replaced if a mechanical fault occurs. See the column identification section for details.

Replacement columns ordered through parts will supersede to the later design.

ANR3752 Early-Design Steering Column (Repair is possible)
ANR6313 Late-Design Steering Column (Repair not permitted)

WARRANTY CLAIMS:

57.40.50 Time 1.00 hrs.
Replace interlock solenoid

57.40.01 Time 1E45 hrs.
Replace steering column

COMP CODE 5D4Z

Normal warranty policy and procedures apply