Operation CHARM: Car repair manuals for everyone.

Without Intelligent Key System





HORN FUNCTION


Description

Perform answer-back for each operation with horn.





HORN FUNCTION


Diagnosis Procedure

1.CHECK HORN FUNCTION
Check horn function with horn switch.
Do the horn sound?
YES - GO TO 2.
NO - Electrical Diagrams.
2.CHECK IPDM E/R POWER SUPPLY
1. Disconnect IPDM E/R connector.
2. Check voltage between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES - Replace IPDM E/R. Without I-Key.
NO - GO TO 3.
3.CHECK IPDM E/R POWER SUPPLY CIRCUIT
1. Disconnect horn relay connector.
2. Check continuity between IPDM E/R harness connector and horn relay harness connector.





3. Check continuity between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
- INSPECTION END