B2286

2GR-FSE STARTING: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: B2286: Runnable Signal Malfunction

DTC B2286 - Runnable Signal Malfunction

DESCRIPTION

The power source control ECU and the HV control ECU are connected by a cable and the BEAN. If the cable information and BEAN information are inconsistent, this DTC will be output.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (READY CONDITION)
(a) Check the DATA LIST for proper functioning of the engine condition.
Power source control ECU:






OK:
ON (engine (hybrid) running) appears on screen.
OK -- REPLACE POWER SOURCE CONTROL ECU
NG -- Continue to next step.
2. CHECK WIRE HARNESS (POWER SOURCE CONTROL ECU - HV CONTROL ECU)





(a) Disconnect the K73 ECU connector.
(b) Disconnect the A54 ECU connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. CHECK POWER SOURCE CONTROL ECU (READY SIGNAL)





(a) Measure the voltage of the power source control ECU.
Standard voltage:






NG -- GO TO HYBRID CONTROL SYSTEM
OK -- REPLACE POWER SOURCE CONTROL ECU