FixVault

Trouble Shooting

WARNING: Deactivate air bag system before performing any service operation. See AIR BAG RESTRAINT SYSTEM article. DO NOT  apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy.
NOTE: Verify power door lock system is operating properly before trouble shooting Anti-Theft System (ATS). ATS will not operate properly if power door lock system is not operating properly. When ATS is not operating properly, lower door windows and determine under what conditions system does not operate or malfunctions. See TROUBLE SHOOTING SYMPTOMS  table.
TROUBLE SHOOTING SYMPTOMS

Problem Inspect(1) Go To Test
Anti-Theft Cannot Be Set Indicator Light Circuit 1 
" ECU Power Source Circuit 2 
" Key Unlock Warning Switch Circuit 9 
" Trunk Lid Key Lock & Unlock Switch Circuit 10 
" Trunk Lid Courtesy Switch Circuit 11 
" Door Key Lock & Unlock Switch Circuit 14 
" Door Courtesy Switch Circuit 16 
" Door Unlock Detection Switch Circuit 15 
" Trunk Lid Release Switch And Circuit 13 
" Engine Hood Courtesy Switch Circuit 17 
Indicator Light Does Not Flash When System Is Set Indicator Light Circuit 1 
Anti-Theft System Does NotOperate When Rear Door Is Unlocked Rear Door Unlock Detection Switch Circuit 15 
Anti-Theft System Does Not Operate When Trunk Lid Is Opened Without Key Trunk Lid Release Switch And Circuit 13 
" Trunk Lid Release Motor Circuit 12 
" Trunk Lid Courtesy Switch Circuit 11 
Anti-Theft System Does NotOperate When Engine Hood Opened. Engine Hood Courtesy Switch Circuit 17 
Horns Do Not Blow, Even If System Triggered Horn Relay Circuit 5 
Anti-Theft Horn Does Not Blow, Even If System Triggered Anti-Theft Horn Circuit 4 
(2)Headlights Do Not Flash, Even If System Triggered Headlight Control Relay Circuit 6 
(2)Taillights Do Not Flash, Even If System Triggered Taillight Control Relay Circuit 7 
Starter Interrupt System Does Not Operate, Even If System Triggered Starter Interrupt System Circuit 3 
Door Is Not Locked In Unlocked Condition, Even If System Triggered Door Unlock Detection Switch Circuit 15 
Anti-Theft System Does NotCancel With Ignition Switch In ON Or ACC Ignition Switch Circuit 8 
Anti-Theft System Does NotCancel When Trunk Lid Is Unlocked With Key Trunk Lid Key Lock & Unlock Switch Circuit 10 
System Sets With Rear Door Open Door Courtesy Switch Circuit 16 
Horns Blow, Even If System Not Set Horn Relay Circuit 5 
Anti-Theft Horn Blows, Even If System Not Set Anti-Theft Horn Circuit 4 
(2)Headights Flash, Even If System Not Set Headlight Control Relay Circuit 6 
(2)Taillights Flash, Even If System Is Not Set Taillight Control Relay Circuit 7 
(1) If more than one test is listed, perform tests in order listed.
(2) Before performing test, verify normal operation of headlights and taillights.