Component Tests and General Diagnostics

2GR-FSE STARTING: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: Power Switch Indicator Circuit

Power Switch Indicator Circuit

DESCRIPTION

Engine (hybrid) start conditions or system malfunctions can be checked by the status of the power switch indicator light.

Power switch indicator light condition





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT POWER SWITCH





(a) Remove the power switch.
(b) Apply battery voltage between the terminals of the switch, and check the illumination condition of the switch.
NOTICE:
- If the positive (+) lead and the negative (-) lead are incorrectly connected, the power switch indicator does not illuminate.
- If the voltage is too low, the indicator will not illuminate.

OK:






NG -- REPLACE POWER SWITCH
OK -- Continue to next step.
2. CHECK WIRE HARNESS (POWER SWITCH - POWER SOURCE CONTROL ECU AND BODY GROUND)





(a) Disconnect the K29 switch connector.
(b) Disconnect the K73 ECU connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE POWER SOURCE CONTROL ECU