HORN SYSTEM PROBLEM SYMPTOMS TABLE

Tip:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Table 1. Horn System
Symptom	Suspected Area	Link
Horn does not sound	HORN fuse	-
	HORN relay	Click here
	High pitched horn assembly1, 2	Click here
	Low pitched horn assembly*2	Click here
	Spiral cable sub-assembly*3	Click here
	Spiral cable sub-assembly*4	Click here
	Steering pad switch assembly	Click here
	Horn button assembly	Click here
	Instrument panel junction block assembly*5	Click here
	Instrument panel junction block assembly*6	Click here
	Wire harness	-
Horn sounds all the time	HORN relay	Click here
	Spiral cable sub-assembly*3	Click here
	Spiral cable sub-assembly*4	Click here
	Steering pad switch assembly	Click here
	Horn button assembly	Click here
	Instrument panel junction block assembly*5	Click here
	Instrument panel junction block assembly*6	Click here
	Main body ECU (Multiplex network body ECU)6, 7	Click here
	Wire harness	-

*1: for Hatchback, Wagon
*2: for Sedan
*3: w/ VSC
*4: w/o VSC
*5: for LHD
*6: for RHD
*7: w/ Theft Deterrent System