B2128

Description

Driver seat control unit performs UART communication with the automatic drive positioner control unit using 1
communication line. Driver seat control unit receives the operation signals of ADP steering switch, door mirror remote control switch and the position signals of tilt sensor, telescopic sensor and door mirror sensors from the automatic drive positioner control unit and transmits the operation request signal.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON.
2.Check "Self diagnostic result" with CONSULT.
Is the DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" [1][2]Electrical Diagrams.

1. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON.
2.Check "Self diagnostic result" with CONSULT.
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" Intermittent Incident.

2. CHECK UART COMMUNICATION LINE CONTINUITY

1.Turn ignition switch OFF.
2.Disconnect driver seat control unit and automatic drive positioner control unit.
3.Check continuity between driver seat control unit harness connector and automatic drive positioner control unit harness connector.





4.Check continuity between driver seat control unit harness connector and ground.
Revision: March 20122013 Infiniti JX





Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Repair or replace harness.
Revision: March 20122013 Infiniti JX