Dtc B2286 Runnable Signal Malfunction
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
READ VALUE USING INTELLIGENT TESTER (ENGINE CONDITION)
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)
REPLACE MAIN BODY ECU
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
| Detection Condition
| Trouble Area
|
B2286
| The cable and CAN information between the main body ECU and ECM is inconsistent.
| - Main body ECU
- ECM
- Harness or connector
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1.READ VALUE USING INTELLIGENT TESTER (ENGINE CONDITION) |
Use the Data List to check if the engine start is functioning properly.
Main BodyTester Display
| Measurement Item/Range
| Normal Condition
| Diagnostic Note
|
Engine Condition
| Engine condition/RUN or STOP
| RUN: Engine running STOP: Engine stopped
| -
|
ResultResult
| Proceed to
|
Display on the intelligent tester does not change according to engine condition
| A
|
Display on the intelligent tester changes according to engine condition
| B
|
2.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM) |
Disconnect the E3 main body ECU connector.
Disconnect the A38 (for LHD) or A52 (for RHD) ECM connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
E3-8 (TACH) - A38-15 (TACH)*1 E3-8 (TACH) - A52-15 (TACH)*2
| Always
| Below 1 Ω
|
E3-8 (TACH) or A38-15 (TACH) - Body ground*1 E3-8 (TACH) or A52-15 (TACH) - Body ground*2
| Always
| 10 kΩ or higher
|
- HINT:
- *1: for LHD
- *2: for RHD
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
Temporarily replace the main body ECU with a new or normally functioning one.
Check whether DTC B2286 is output.
ResultResult
| Proceed to
|
DTC not output
| A
|
DTC output (for 1GR-FE)
| B
|
DTC output (for 1UR-FE)
| C
|
DTC output (for 3UR-FE)
| D
|
DTC output (for 1VD-FTV)
| E
|