DTC B2286: Runnable Signal Malfunction: Procedure

1. Delete the DTCs, refer to DTC CHECK / CLEAR .
2. Check for CAN communication system, refer to HOW TO PROCEED WITH TROUBLESHOOTING .

   HINT: 

   If the DTCs for the CAN communication system malfunction are output, inspect those DTCs first, refer to DIAGNOSTIC TROUBLE CODE CHART .

   OK

   No DTC is output.

NG → See step   4 

OK: Go to next step 

1. Connect Techstream to the DLC3.
2. Check the DATA LIST for proper functioning of the engine.

   HINT: 

   When using Techstream with the engine switch off, turn on and off any of the door courtesy light switches repeatedly at 1.5 second intervals or less until communication between the tester and vehicle starts.

   MAIN BODY:
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   E/G Cond	Engine condition/STOP or RUN	STOP: Engine is stopped RUN: Engine is running	-

   OK

   STOP (engine is stopped) and RUN (engine is running) appear on the screen.

NG → See step   3 

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

1. Disconnect the D9 connector.
2. Disconnect the D60 connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   D60-29 (TACH) - D9-8 (TACH)	Always	Below 1 Ω
   D60-29 (TACH) or D9-8 (TACH) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

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