YH4
GRAND
VITARA
8G-16 IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED)
1. Main fuse
2. Main relay
3. ECM/PCM
4. Immobilizer indicator lamp
(Vehicle not equipped with
monitor coupler)
For G16/J20 engine For H25 engine
G16/J20 Engine
H25 Engine
TABLE C IMMOBILIZER INDICATOR LAMP CHECK
(IMMOBILIZER INDICATOR LAMP REMAINS ON AFTER ENGINE
STARTS)
STEP ACTION YES NO
1 1) With ignition switch OFF, disconnect
couplers from ECM/PCM.
Does immobilizer indicator lamp turn ON
at ignition switch ON?
“(p)” wire shorted to
ground circuit.
Substitute a known-good ECM/
PCM and recheck.