Component Tests and General Diagnostics

1UR-FSE STARTING: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: Engine Switch Indicator Circuit
- Engine Switch Indicator Circuit

DESCRIPTION

Engine start conditions or system malfunctions can be checked by observing the status of the engine switch indicator light.

Engine switch indicator light condition





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT ENGINE SWITCH





(a) Remove the engine switch Removal.

(b) Apply battery voltage between the terminals of the engine switch, and check the illumination condition of the engine switch indicator light.

NOTICE:
* If the positive (+) lead and the negative (-) lead are incorrectly connected, the engine switch indicator light will not illuminate.
* If the voltage is too low, the indicator light will not illuminate.

OK:





NG -- REPLACE ENGINE SWITCH Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND)





(a) Disconnect the L36 engine switch connector.

(b) Disconnect the L13 main body ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU