Check Control Device (Detent Switch) Circuit

CHECK FUNCTION

With CONSULT-III

Check that when the selector lever is in P position, "DETENT SW" on the DATA MONITOR becomes OFF.

MONITOR ITEM CHART

Monitor item [OPERATION or UNIT]		Contents
Detention SW	"ON/OFF"	The selector lever position "P position (OFF)/other than P position (ON)" judged from the detention switch signal is displayed.

Without CONSULT-III

Check voltage between driver seat control unit connector and ground.

VOLTAGE SPECIFICATION

Driver seat control unit connector	Terminal		Condition of selector lever	Voltage (V) (Approx.)
Driver seat control unit connector	(+)	(-)	Condition of selector lever	Voltage (V) (Approx.)
M204	21	Ground	P position	0
M204	21	Ground	Other than above	Battery voltage

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

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

OK or NG

OK: Control device (detention switch) circuit is OK.

NG: GO TO 2.

CHECK CONTROL DEVICE (PARK POSITION SWITCH) HARNESS

Check continuity between control device connector and driver seat control unit connector.

CONTINUITY CHART

A		B		Continuity
Driver seat control unit connector	Terminal	control device connector	Terminal	Continuity
M204	21	M133	10	Yes

Check continuity between driver seat control unit connector and ground.

CONTINUITY CHART

Driver seat control unit connector	Terminal	Ground	Continuity
M204	21	Ground	No

Fig 2: Checking Continuity Between A/T Device Connector And Driver Seat Control Unit Connector And Ground

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

OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

CHECK PARK POSITION SWITCH

Check continuity between control device (detention switch) as follows.

CONTINUITY CHART

Control device	Terminals		Condition	Continuity
M133	9	10	P position	Yes
M133	9	10	Other than P position	No

Fig 3: Checking Continuity Between A/T Device

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

OK or NG

OK: Check the condition of the harness and the connector.

NG: Replace control device.