B2286

1UR-FSE STARTING: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: B2286: Runnable Signal Malfunction
B2286 - Runnable Signal Malfunction

DESCRIPTION

The main body ECU and the ECM are connected by a cable and the CAN communication line. If the cable information and CAN information are inconsistent, this DTC is output.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (ENGINE CONDITION)

(a) Use the Data List to check if the engine condition is functioning properly.

Main Body





OK:

When the engine is running, Run is displayed on the Techstream.

NG -- REPLACE MAIN BODY ECU
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)





(a) Disconnect the L11 main body ECU connector.

(b) Disconnect the A14 ECM connector.

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

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK MAIN BODY ECU (OPERATION)

(a) Temporarily replace the main body ECU with a new or normally functioning one.

(b) Check that the engine starts normally.

OK:

Engine starts normally.

NG -- GO TO SFI SYSTEM How to Proceed with Troubleshooting

OK -- END (MAIN BODY ECU IS FAULTY)