Preliminary Check

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSES AND FUSIBLE LINK

Check for blown fuses and fusible link.

FUSE AND FUSIBLE LINK SPECIFICATION

Unit	Power source	Fuse No.
AFS control unit	Ignition switch ON or START	12

Refer to "WIRING DIAGRAM - AFS - ".

OK or NG

OK: GO TO 2.

NG: If the fuse is brown be sure to eliminate cause of malfunction before installing new fuse. Refer to "POWER SUPPLY ROUTING CIRCUIT ".

CHECK AFS CONTROL UNIT VOLTAGE

Turn ignition switch ON.

Check voltage between AFS control unit harness connector and ground.

TERMINALS VOLTAGE REFERENCE CHART

Terminals			Voltage (Approx.)
(+)		(-)
AFS control unit connector	Terminal	(-)
F110	1	Ground	Battery voltage

OK or NG

OK: GO TO 3.

NG: Repair harness or connector.

Fig 1: Checking Voltage Between AFS Control Unit Harness Connector Terminal 1 And Ground

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

CHECK GROUND CIRCUIT

Turn ignition switch OFF.

Check continuity between AFS control unit harness connector and ground.

TERMINALS CONTINUITY REFERENCE CHART

AFS control unit connector	Terminal	Ground	Continuity
F110	25	Ground	Yes

OK or NG

OK: INSPECTION END

NG: Repair harness or connector.

Fig 2: Checking Continuity Between AFS Control Unit Harness Connector Terminal 25 And Ground

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