Diagnostic Test

With CONSULT 

1. Turn the ignition switch ON.
2. On the CONSULT screen, select "EPS/DAST 3">>"DATA MONITOR">>"BACK UP SIG 1 VOLT".
3. Check the value

   Monitor item	Standard value (Approx.)
   BACK UP SIG 1 VOLT	0.5 - 4.75 V

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

GO TO STEP 2  .

1. Turn the ignition switch OFF.
2. Disconnect each control module harness connector.
3. Check the continuity between both control module harness connectors.
   CHECK THE CONTINUITY BETWEEN BOTH CONTROL MODULE HARNESS CONNECTORS
   
   

   Steering force control module		Steering angle main control module		Continuity
   Connector	Terminal	Connector	Terminal
   M71	17	E26	24	Existed

4. Check the continuity between steering force control module harness connector and ground.
   CHECK THE CONTINUITY BETWEEN STEERING FORCE CONTROL MODULE HARNESS CONNECTOR AND GROUND
   
   

   Steering force control module		-	Continuity
   Connector	Terminal
   M71	17	Ground	Not existed

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

Repair or replace error - detected part.

With CONSULT 

1. Connect each control module harness connector.
2. Start the engine.
   CAUTION:

   Never drive the vehicle.

3. Perform self-diagnosis for "DAST 1".

Is any DTC is detected?

YES 

Check the DTC. Refer to DTC INDEX .

NO 

GO TO STEP 4  .

1. Turn the ignition switch OFF.
2. Check enlarged contact spring of terminal. Refer to HOW TO CHECK TERMINAL .
3. Perform intermittent incident while turning steering wheel. Refer to INTERMITTENT INCIDENT .

Is the inspection result normal?

YES 

Replace steering force control module. Refer to REMOVAL AND INSTALLATION .

NO 

Repair or replace error - detected part.