DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK DTC
THEFT DETERRENT SYSTEM (w/o Intrusion Sensor) - Ignition Switch Circuit
DESCRIPTION
When the engine switch is turned on (IG), positive (+) battery voltage is applied to the main body ECU RH (cowl side J/B RH). When battery positive (+) voltage is applied to terminal IG of the main body ECU (cowl side J/B RH) while the theft deterrent system is operating, the warning stops.
WIRING DIAGRAM
INSPECTION PROCEDURE
Check the DTC B2271, B2272 and B2274.
| Result | Proceed To |
| No DTC is output | OK |
| Any of DTCs is output | NG |
| | GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START |
|
|
| OK | |
| |
| PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
|
LEXUS IS250, IS220d / GSE20 ALE20