Automatic Drive Positioner (DTC/Circuit Diagnosis)

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SEAT MEMORY INDICATOR CIRCUIT

Turn ignition switch OFF.
Disconnect driver seat control unit and seat memory switch.

Check continuity between driver seat control unit harness connector and seat memory switch harness connector.

Driver seat control unit		Seat memory switch		Continuity
Connector	Terminal	Connector	Terminal
B209	10	D60	13	Yes
	26		14

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

Driver seat control unit		Ground	Continuity
Connector	Terminal
B209	10		No
	26

Is the inspection result normal?

YES

GO TO 2.

Repair or replace harness.

CHECK MEMORY INDICATOR POWER SUPPLY

Check voltage between seat memory switch harness connector and ground.

(+)		(-)	Voltage (V) (Approx.)
Seat memory switch
Connector	Terminals
D60	15	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

Check the following:

10 A fuse No. 1.
Harness for open or short between memory indicator and fuse.

CHECK MEMORY INDICATOR
Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 4.

NO

Replace seat memory switch. Refer to Removal and Installation .
CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .

Is the inspection result normal?

YES

Replace driver seat control unit. Refer to Removal and Installation .

NO

Repair or replace the malfunctioning part.