Check Power Supply and Ground Circuit

CHECK POWER SUPPLY CIRCUIT

Check voltage between Intelligent Key unit harness connector and ground.

TERMINAL VOLTAGE CHART

Terminals			Voltage (V) (Approx.)
(+)		(-)
Intelligent Key unit connector	Terminal	(-)
M32	1	Ground	Battery voltage
M33	41
M33	57

OK or NG

OK: GO TO 2.

NG: Repair or replace Intelligent Key power supply circuit.

Fig 1: Checking Voltage Between Intelligent Key Unit Harness Connector Terminals 1, 41, 57 And Ground

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

CHECK GROUND CIRCUIT

Check continuity between Intelligent Key unit harness connector and ground.

TERMINAL CONTINUITY CHART

Intelligent Key unit connector	Terminal	Ground	Continuity
M32	20		Yes
	40
M33	56
	72

OK or NG

OK: Power supply and ground circuits are OK.

NG: Repair or replace the Intelligent Key unit ground circuit.

Fig 2: Checking Continuity Between Intelligent Key Unit Harness Connector Terminals 20, 40, 56, 72 And Ground

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