B2286

2AR-FE STARTING: SMART KEY SYSTEM: B2286: Runnable Signal Malfunction
B2286 - Runnable Signal Malfunction

DESCRIPTION

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





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (ENGINE CONDITION)

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG) and turn the Techstream on.

(c) Enter the following menus: Body Electrical / Main Body / Data List.

(d) Read the display on the Techstream.

Main Body





OK:

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

NG -- CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)

OK -- REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)

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

(a) Disconnect the E17 main body ECU connector.





(b) Disconnect the A9 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 WHETHER ENGINE STARTS

(a) Temporarily replace the main body ECU (instrument panel junction block) 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 DEFECTIVE)