DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction (08/2010 - 08/2011): Procedure

1. Use the Data List to check if the vehicle speed signal is functioning properly.
   MAIN BODY
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Vehicle Speed Signal	Vehicle speed signal/Stop or Run	Stop: Vehicle stopped Run: Vehicle running	-

   RESULT
   
   

   Result	Proceed to
   Display on the Techstream does not change according to vehicle condition	A
   Display on the Techstream changes according to vehicle condition	B

B → REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) 

A: Go to next step 

Fig 1: Identifying Main Body ECU Connector Terminal E3 And Combination Meter Connector Terminal E77

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the E3 main body ECU connector.
2. Disconnect the E77 combination meter connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E3-9 (SPD) - E77-6 (+S)	Always	Below 1 Ω
   E3-9 (SPD) or E77-6 (+S) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Temporarily replace the main body ECU with a new or normally functioning one.
2. Check whether DTC B2282 and B2283 are output.

   OK

   No DTC is output.

NG → See step   4 

OK → END