Diagnostic Test
- CHECK STEERING FORCE CONTROL MODULE SIGNAL
With CONSULT
- Turn the ignition switch ON.
- On the CONSULT screen, select "EPS/DAST 3">>"DATA MONITOR">>"BACK UP SIG 2 VOLT".
- Check the value
Monitor item Standard value (Approx.) BACK UP SIG 2 VOLT 0.5 - 4.75 V
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
GO TO STEP 2 .
- CHECK THE BACK UP SIGNAL CIRCUIT
- Turn the ignition switch OFF.
- Disconnect each control module harness connector.
- Check the continuity between both control module harness connectors.
Steering force control module Steering angle sub control module Continuity Connector Terminal Connector Terminal M71 18 E29 24 Existed - Check the continuity between steering force control module harness connector and ground.
Steering force control module - Continuity Connector Terminal M71 18 Ground Not existed
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace error - detected part.
- PERFORM SELF - DIAGNOSIS
With CONSULT
- Connect each control module harness connector.
- Start the engine.CAUTION:
Never drive the vehicle.
- Perform self-diagnosis for "DAST 2".
Is any DTC is detected?
YES
Check the DTC. Refer to DTC INDEX .
NO
GO TO STEP 4 .
- CHECK INTERMITTENT INCIDENT
- Turn the ignition switch OFF.
- Check enlarged contact spring of terminal. Refer to HOW TO CHECK TERMINAL .
- 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.