DTC B2288: Steering Lock Signal Circuit Malfunction: Procedure

1. Perform initialization. Refer to INITIALIZATION .

NEXT: Go to next step 

1. Clear the DTC. Refer to DTC CHECK / CLEAR .
2. Check if the trouble occurs again 18 to 22 seconds after the engine switch is turned on (IG).

   Result

   Result	Proceed to
   DTC B2288 is output	A
   DTC B2285 is output	B
   DTC is not output	C

C → END (INITIALIZATION WAS NOT COMPLETED) 

B → See step   6 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Check for Steering Lock System DTC.

   OK

   DTC is not output.

NG → See step   7 

OK: Go to next step 

1. Check if the steering lock is released when turning the engine switch on (ACC).

   OK

   The steering lock is released.

NG → See step   8 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Check the Data List for proper functioning of the steering lock function.

   HINT: 

   When using the 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 Techstream and vehicle starts.

   POWER SOURCE CONTROL
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Steering Unlock Switch	Steering lock condition / ON or OFF	ON: Steering is unlocked (Engine switch on (ACC)) Steering is locked (Engine switch off)	-

   OK

   "ON" (Steering is unlocked) and "OFF" (Steering is locked appear on the screen.

NG → See step   9 

OK → REPLACE POWER SOURCE CONTROL ECU