Horn System Inspection - Toyota Avensis ZZT251 2003 Service And Repair Manual

INSPECTION
2
AVENSIS REPAIR MANUAL (RM1018E)
COMMUNICATION SYSTEM –
1. INSPECT LOW PITCHED HORN ASSY
(a) Check operation of the horn.
Standard:
Measurement Condition
Battery positive (+)
Battery positive (–)
If the result is not as specified, replace the horn assy.
B67416
2. INSPECT HIGH PITCHED HORN ASSY
(a) Check operation of the horn.
Standard:
Measurement Condition
Battery positive (+)
Battery positive (–)
If the result is not as specified, replace the horn assy.
B67417
3. INSPECT HORN RELAY ASSY
(a) Remove the HORN relay from the engine room R/B No.
1
2.
(b) Check the horn relay resistance.
5
Standard:
Tester Connection
3 3 – 5
B68374
If the result is not as specified, replace the relay assy.
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HORN SYSTEM
Terminal 1
Horn body
Terminal 1
Horn body
Specified Condition
10 kf or higher
(When battery voltage is applied to terminals 1 and 2)
69–3
69066–02
Specified Condition
Horn sounds
Specified Condition
Horn sounds
Below 1 f