69044–01

B59083

Steering Wheel Pad
(Horn button switch)

Low Pitched Horn

HORN Relay

–

COMMUNICATION SYSTEM

HORN SYSTEM

69–1

1733

Author:

Date:

2004 COROLLA (RM1037U)

HORN SYSTEM

LOCATION

69045–01

69–2

–

COMMUNICATION SYSTEM

HORN SYSTEM

1734

Author:

Date:

2004 COROLLA (RM1037U)

PROBLEM SYMPTOMS TABLE

Symptom

Suspected Area

See page

Horn does not sound

2. Horn button switch

3. Low pitched horn

4. HORN relay

5. Wire harness

–

69–3
69–3

–

69046–01

I11656

B16200

–

COMMUNICATION SYSTEM

HORN SYSTEM

69–3

1735

Author:

Date:

2004 COROLLA (RM1037U)

INSPECTION

1.

INSPECT LOW PITCHED HORN ASSY

(a)

Connect the positive (+) lead from the battery to the termi-
nal and the negative (–) lead to the horn body, and check
that the horn blows.

If the result is not as specified, replace the horn.

2.

INSPECT HORN RELAY ASSY (Marking: HORN)

(a)

Remove the horn relay from the engine room J/B.

(b)

Inspect the horn relay continuity.
Standard:

Terminal No.

Condition

Specified condition

1

⇔

2

Constant

3

⇔

5

Apply B+ between

terminals 1 and 2

Continuity

If the result is not as specified, replace the relay.