Horn: Testing and Inspection

NOTE: If only one horn works, check the wiring to the inoperative horn first See applicable wiring diagram.

Required for troubleshooting
- Electrical Circuit Tester VW1466
- Valid wiring diagram

Before starting troubleshooting, battery negative terminal (-) must be securely tightened.

Prerequisite:
- S240 Fuse 40 (20A) OK

Preparation:
- Remove lower instrument panel cover.
- Remove dual horn relay J4 (production control number 204 ) from relay location 1
- Insert test adapter VW1466/3 into relay location 1
- Connect VW 1466 to test adapter

Troubleshooting procedure:
- Perform test steps according to table below.
- If specified value/test result is obtained, proceed to next step (test result OK)
- If specified value/test result is not obtained, use table for troubleshooting and repair
- Use valid wiring diagram for circuit testing
- Disconnect test leads after each step

If malfunction has not been eliminated after performing steps 1 to 3, replace dual horn relay J4!

After repairing malfunction, perform test of dual horns.





Possible causes if specified value / test result was not obtained: