Toyota Camry Manual page 1873

DI–846
INSPECTION PROCEDURE
HINT:
The flow chart below is based on the premise that the horns blow normally whenever the horn switch is oper-
ated. If horn operation is not normal when the horn switch is operated, check the horn switch.
1 Check voltage between terminal HORN of theft deterrent ECU connector and
body ground.
HORN
OK
Check and replace theft deterrent ECU.
DIAGNOSTICS – THEFT DETERRENT SYSTEM
PREPARATION:
Disconnect the theft deterrent ECU connectors.
CHECK:
Measure voltage between terminal HORN of theft deterrent
ECU connector and body ground.
OK:
Voltage: 10 – 14 V
I01923
NG Check and repair harness and connector be-
tween theft deterrent ECU and horn relay.
Author : Date :
1081