Immobilizer-Ecu Check - Mitsubishi Electric Lancer Evolution-VII Workshop Manual

54A-10
CHASSIS ELECTRICAL -
Inspection procedure 4
Immobilizer-ECU power supply and earth circuit system check
Measure at immobilizer-ECU connector C-202-1.
D Ignition switch: ON
D Disconnect the connector and measure at the harness
side.
(1) Voltage between terminal (1) and body earth
OK: System voltage
(2) Voltage between terminal (4) and body earth
OK: Continuity
Check the following connectors: C-202-1, C-202, C-08
OK
Check the trouble symptoms.
NG
Check the harness between the immobilizer-ECU and body
earth, and repair if necessary.

IMMOBILIZER-ECU CHECK

TERMINAL VOLTAGE CHECK TABLE
Terminal No. Signal
1 Immobilizer-ECU power supply
2 -
3 Engine-ECU
4 Immobilizer-ECU earth
Ignition Switch and Immobilizer System
(2) NG
NG
Repair
(1) NG
Check the following connectors:
<L.H. drive vehicles> C-202 - 1, C-202, C-129, D-108
<R.H. drive vehicles> C-202 - 1, C-202, C-130, D-108
OK
Check the trouble symptoms.
Check the harness between the engine control relay and the
immobilizer-ECU, and repair if necessary.
Inspection conditions
Ignition switch: ON
-
-
At all times
NG
Repair
NG
Terminal voltage
System voltage
-
-
0V