Inspection Procedure

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
SELF-DIAGNOSTIC RESULTS

Self-diagnostic results

ST ANGLE SEN CIRCUIT

Is above displayed on self-diagnosis display?
1. YES: GO TO 2.
2. NO: INSPECTION END
CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect steering angle sensor connector and VDC/TCS/ABS control unit connector. Then reconnect them securely.
2. Perform VDC/TCS/ABS control unit self-diagnosis again.
OK or NG
1. OK: Poor connection of connectors. Repair or replace suspect connector. Perform self-diagnosis again.
2. NO: GO TO 3.

Self-diagnostic results
ST ANGLE SEN CIRCUIT

CHECK STEERING ANGLE SENSOR CIRCUIT

Turn ignition switch OFF and disconnect VDC/TCS/ABS control unit connector and steering angle sensor connector.
Check continuity between VDC/TCS/ABS control unit harness connector M93 and steering angle sensor harness connector M22.

CONTINUITY CONDITIONS

VDC/TCS/ABS control unit	Steering angle sensor	Continuity
2	3	Yes

OK or NG

OK: GO TO 4.
NG: Open or short in harness. Repair or replace the suspect harness.

Fig 1: Identifying Continuity Between Control Unit Harness Connector M93 And Harness Connector M22

Courtesy of NISSAN MOTOR CO., U.S.A.

PERFORM DATA MONITOR

Connect VDC/TCS/ABS control unit connector and steering angle sensor connector.
Perform "DATA MONITOR" for "STR ANGLE SIG". Check if results are normal.

DATA MONITOR REFERENCE FOR STR ANGLE SIG

Steering condition	DATA MONITOR
Driving straight	-5 to +5°
Turned 90°to right	Approx. +90°
Turned 90°to left	Approx. -90°

OK or NG

OK: Perform VDC/TCS/ABS control unit self-diagnosis again.
NG: Replace steering angle sensor and adjust neutral position of steering angle sensor. Refer to "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION ".