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8G-10 IMMOBILIZER CONTROL SYSTEM
Table B – Immobilizer Indicator Lamp Check (Immobilizer Indicator Lamp
Remains ON After Engine Starts)
Wiring Diagram
1
C64
1. Main fuse
2. Main relay
Troubleshooting
Step
1
1) With ignition switch OFF, disconnect cou-
plers from ECM.
Does immobilizer indicator lamp turn ON at
ignition switch ON?
2
BLK/YEL
BB
BLU/ORN
4
C63
2
1
10
3. ECM
Action
BRN/WHT
C64-10
BLK/RED
G91-5
BLK/RED
G91-6
BLK/WHT
G91-28
LT GRN/BLK
G91-2
G91
1
6
5
4. Immobilizer indicator lamp
Yes
"LT GRN/BLK" wire
shorted to ground cir-
cuit
3
C64-2
BLK
C64-1
BLK/ORN
C63-1
BLK/ORN
2
28
No
Substitute a known-good
ECM and recheck.
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