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lmmobilizer System
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Troubleshooting
Follow this procedure if the vehicle does not start. or
after rewriting the ECM with the PGM-Tester and the
vehicle does not start.
Note these items belore troubleshooting:
. Due to the action of the immobilizer svstem, the
engine takes slightly more time to start than a vehicle
without an immobilizer system.
. When the system is normal, and the proper key is
inserted, the indicator light comes on for 2 seconds,
then it will go off.
. l f t h e i n d i c a t o r s t a r t s t o b l i n k a f t e r 2 s e c o n d s , o r i f t h e
engine does not start, repeat the staning procedure.
lf the engine still does not start, troubleshoot the
system.
1. Using a scan tool. check for a Diagnostic Trouble
C o d e ( D T C ) ( s e e p a g e 1 1 - 3 ) .
ls DTC P1607 indicated?
Y E S R e p l a c e t h e E C M ( s e e p a g e 1 1 - 4 ) . 1
NO Go to step 2.
Turn the ignition switch ON (ll) with the proper key.
Check to see if the immobilizer indicator Iight
c o m e s o n .
Does the indicatot tight blink?
YES Go to step 4.
NO Check for these problems:
. an open in the PNK wire between the gauge
a s s e m b l y a n d E C M .
. a f a u l t y i m m o b i l i z e r i n d i c a t o r l i g h t . l
2.
3 .
22-120
J
Check for voltage between the No. 1 terminal and
body ground with the ignition switch turned ON ( lll.
ls there battety voltage?
YES Go to step 6.
NO Check for these problems:
. a b l o w n N o . 2 ( 1 5 A ) f u s e i n t h e u n d e r - d a s h
fuse/relay box,
. a blown No. 46 (15 A) fuse in the main under-
hood fuse/relay box.
. an open in the YEL/BLK wire between the PGM-FI
main relay and immobilizer receiver unit.
. afaulty PGI\4-Fl main relay.t
RED/BLU
Wire side of female terminals
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Table of Contents
Troubleshooting
