Engine Immobiliser System (w/ Smart Key System)

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM (w/ Smart Key System): Power Source Circuit

Power Source Circuit

DESCRIPTION

This circuit provides power to operate the transponder key ECU.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK POWER SWITCH (OPERATION)
(a) Check that the power switch can be turned.
HINT:
- Without depressing the brake pedal, push the power switch repeatedly. Power switch should change as following: OFF, ON (ACC) , ON (IG) , OFF.
- With depressing the brake pedal, push the power switch repeatedly. Power switch should change as following: OFF, ON (ACC) , ON (IG) , ON (READY) , OFF.

NG -- GO TO SMART KEY SYSTEM (for Starting)
OK -- Continue to next step.

2. INSPECT FUSE (IGN, P CON MAIN, AM2)
(a) Remove the IGN fuse from the instrument panel junction block.
(b) Remove the P CON MAIN and AM2 fuses from the engine room junction block.
(c) Measure the resistance of the fuses.
Standard resistance:
Below 1 Ohms
NG -- REPLACE FUSE
OK -- Continue to next step.

3. CHECK WIRE HARNESS (TRANSPONDER KEY ECU - BATTERY AND BODY GROUND)




(a) Disconnect the T5 ECU connector.
(b) Measure the resistance and voltage of the wire harness side connector.
Standard resistance:






Standard voltage:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE