8G-14 IMMOBILIZER CONTROL SYSTEM
1. Main fuse
2. Main relay
3. ECM
4. Immobilizer indicator lamp
(Vehicle not equipped with
monitor coupler)
For G10 engine
For G13B engine
For G10 engine For G13B engine
A-2 IMMOBILIZER INDICATOR LAMP CHECK
(IMMOBILIZER INDICATOR LAMP DOSE NOT LIGHT AT IGNITION SWITCH ON)
STEP ACTION YES NO
1 1) Turn ignition switch ON.
Do other indicator/warning lights in
combination meter come ON?
Go to Step 2. “IG” fuse blown, main fuse blown,
ignition switch malfunction,
“(d)” circuit between “IG” fuse
and combination meter or poor
coupler connection at
combination meter.
2 1) Turn ignition switch OFF and
disconnect connectors from ECM.
2) Check for proper connection to ECM
at terminal C02-18 for G10 engine or
C01-28 for G13B engine.
3) If OK, then using service wire, ground
terminal C02-18 for G10 engine or
C01-28 for G13B engine in connector
disconnected.
Does immobilizer indicator lamp turn on
at ignition switch ON?
Substitute a known-
good ECM and
recheck.
Bulb burned out or “(P)” wire
circuit open.