Horn Relay: Testing and Inspection

HORN: HORN RELAY: ON-VEHICLE INSPECTION

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

2. REMOVE ENGINE ROOM NO. 2 RELAY BLOCK COVER

3. INSPECT FUSE (HORN)





(a) Measure the resistance of the fuse.

Standard resistance:

Below 1 Ohms

(a) If the result is not as specified, replace the fuse.

4. REMOVE HORN RELAY

(a) Remove the horn relay from the engine room No. 2 relay block.

5. INSPECT HORN RELAY





(a) Measure the resistance of the horn relay.

Standard resistance:





(a) If the result is not as specified, replace the relay.

(b) Install the engine room relay block No. 2 cover.

6. INSTALL ENGINE ROOM NO. 2 RELAY BLOCK COVER

7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

8. PERFORM INITIALIZATION

(a) Perform initialization Testing and Inspection.

NOTICE:
Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.