Dtc B2286 Runnable Signal Malfunction

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
2Az-Fe Starting. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER (ENGINE CONDITION)

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)

CHECK WHETHER ENGINE STARTS

DTC 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.

DTC Code
DTC Detection Condition
Trouble Area
B2286
Cable information and CAN information between the main body ECU and ECM are inconsistent.
  1. Main body ECU
  2. SFI system
  3. Harness or connector

WIRING DIAGRAM


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Az-Fe Starting.Starting System (W/ Entry And Start System). Dtc B2286 Runnable Signal Malfunction


INSPECTION PROCEDURE

1.READ VALUE USING INTELLIGENT TESTER (ENGINE CONDITION)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the engine switch on (IG) and turn the intelligent tester on.

  1. Enter the following menus: Body / Main Body / Data List.

  1. Read the display on the intelligent tester.

    Main body ECU
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Engine Condition
    		Engine condition/RUN or STOP
    		RUN: Engine running
    STOP: Engine stopped
    		-
    OK:
    When the engine is running, RUN is displayed on the intelligent tester.


NG
Go to step 2
OK

REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)

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


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Az-Fe Starting.Starting System (W/ Entry And Start System). Dtc B2286 Runnable Signal Malfunction

  1. Disconnect the E20 main body ECU connector.

  1. Disconnect the A12 ECM connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E20-2 (TACH) - A12-15 (TACH)
    		Always
    		Below 1 Ω
    E20-2 (TACH) or A12-15 (TACH) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.CHECK WHETHER ENGINE STARTS

  1. Temporarily replace the main body ECU (instrument panel junction block) with a new or normally functioning one.

  1. Check that the engine starts normally.

    OK:
    Engine starts normally.


NG
GO TO SFI SYSTEM (RAV4_ACA30 RM000000PD90A0X.html)
OK

END (MAIN BODY ECU IS DEFECTIVE)