Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check "Self diagnostic result" with CONSULT-III.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to "DTC LOGIC ".
Is the DTC displayed again?

YES: GO TO 2.

NO: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".
CHECK UART COMMUNICATION LINE CONTINUITY

Turn ignition switch OFF.
Disconnect driver seat control unit and automatic drive positioner control unit.

Check continuity between driver seat control unit harness connector and automatic drive positioner control unit harness connector.

CONTINUITY REFERENCE CHART

Driver seat control unit connector	Terminal	Automatic drive positioner control unit connector	Terminal	Continuity
B203(A)	2	M63 (B)	8	Yes

Check continuity between driver seat control unit harness connector and ground.

Fig 1: Checking Continuity Between Driver Seat Control Unit Harness Connector And Ground

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

CONTINUITY REFERENCE CHART

Driver seat control unit connector	Terminal	Ground	Continuity
B203 (A)	2	Ground	No

Is the inspection result normal?

YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

NO: Repair or replace harness.