Symptom:
SECU RITY S YS TEM IN TERFACE FAILU RE - S SM
Wh e n Mo n i to re d a n d S e t Co n d it i o n :
SECU R ITY S YS TEM IN TERFACE FAILU RE - S SM
Wh en Monit ored: Wh en ever t h e ba t ter y volt a ge is a bove 10.0 volt s an d t he Secu r it y
Syst em Modu le is con n ect ed.
Set Con dit ion : If t he Secu rit y Syst em Modu le sen ses a poor or n o conn ect ion t o th e Sen tr y
Key Rem ote E nt ry Modu le, t h is code will set .
POSSIBLE CAUSES
DTC P RE SE N T
SENTRY KEY REMOTE MODULE MODULE SHORTED
SE CURITY SYSTE M INTE RFACE WIRE SH ORTE D
SE CURITY SYSTE M INTE RFACE WIRE OP E N
SE CURITY SYSTE M MODULE FAILURE
TE S T ACTION AP PLICAB ILITY
1 Wit h th e DRBIII", r ecor d a nd er a se DTC’s.
Cycle th e ign it ion swit ch from ON t o OF F t o ON.
Wit h th e DRBIII",readDTC’s.
Usin g t h e RKE t r an sm it t er, oper a t e th e Door Lock s sever a l t im es wh ile obser vin g th e
DRBII I".
Wa it 10 secon ds.
Does t he DRBIII" displa y SE CURITY SYSTE M IN TE RFACE CIRCU IT FAILU RE ?
All
Ye s → Go To 2
No → U sin g t h e wir in g dia gr a m/sch em a t ic a s a gu ide, in spect t h e
wir in g a n d con n ect or s for a n in t er m it t en t con dit ion. Usin g t h e
RKE t ra n sm it t er, opera t e t h e door locks sever a l t im es a n d r e-
check for an y DTC’s.
Per for m BODY VERIFICATION TE ST - VE R 1.
2 Tur n th e ign it ion off.
Discon n ect t he SE N TRY KE Y RE MOTE EN TRY MODU LE conn ect or.
Mea su r e th e resista n ce between gr ou n d a n d t h e Secu r it y Syst em In t er fa ce cir cu it .
Is t h e resista n ce between 5200.0 (5.2K) a n d 6800.0 (6.8K) oh m s?
All
Ye s → Repla ce th e Sen t r y Key Rem ot e En t r y Modu le.
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Go To 3
233
VEH ICLE TH EFT /SECU RI TY
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