B2414

LIGHTING (EXT): LIGHTING SYSTEM: B2414: Steering Position Sensor Malfunction
B2414 - Steering Position Sensor Malfunction

DESCRIPTION

The AFS ECU receives swerve-angle signals from the steering angle sensor in the steering wheel.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)

(a) Check that the following vehicle stability control system DTC is not output.

Result:





B -- REPAIR CIRCUITS INDICATED BY OUTPUT DTCS Vehicle Stability Control System
A -- Continue to next step.

2. READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / AFS / Data List.

(e) Read the display on the Techstream.

AFS (AFS ECU)





OK:

Condition sign can be displayed.

Result:





C -- CHECK HARNESS AND CONNECTOR (STEERING ANGLE SENSOR - AFS ECU)

B -- REPLACE AFS ECU Components

A -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Exterior Lighting System

3. CHECK HARNESS AND CONNECTOR (STEERING ANGLE SENSOR - AFS ECU)

(a) Disconnect the J23 steering angle sensor connector.





(b) Disconnect the A27 AFS ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

4. CHECK AFS ECU

(a) Reconnect the A27 AFS ECU connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





NG -- REPLACE AFS ECU Components

OK -- REPLACE STEERING ANGLE SENSOR