DI-88
WARNING CHIME
Revision: 2006 November2007 350Z
4. CHECK KEY SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M90 terminal
37 and key switch harness connector M25 terminal 1.
3. Check continuity between BCM harness connector M90 terminal
37 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch harness connector M25 terminal
2 and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-17, "Removal and Installa-
tion of BCM" .
NG >> Check continuity between key switch and fuse.
Lighting Switch Signal Inspection NKS0026C
1. CHECK BCM INPUT SIGNAL
1. Select “BCM” on CONSULT-III.
2. With “DATA MONITOR” of “BUZZER”, confirm “LIGHT SW 1ST”
when the lighting switch is operated.
OK or NG
OK >> INSPECTION END
NG >> Check lighting switch. Refer to LT- 9 2 , "
Combination
Switch Inspection" .
Seat Belt Buckle Switch (Driver Side) Signal InspectionNKS0026D
1. CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) SIGNAL INPUT (BCM)
1. Select “BCM” on CONSULT-III.
2. With “DATA MONITOR” of “BUZZER”, confirm “BUCKLE SW” when the seat belt buckle switch (driver
side) is operated.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.37 – 1 : Continuity should exist.
37 – Ground : Continuity should not exist.
PKIB3833E
2 – Ground : Battery voltage
SKIA5051E
“LIGHT SW 1ST”
Lighting switch (1st position) : ON
Lighting switch (OFF) : OFF
PKIB1956E
“BUCKLE SW”
When seat belt is fastened : OFF
When seat belt is unfastened : ON
DI-90
WARNING CHIME
Revision: 2006 November2007 350Z
Component InspectionNKS0026E
DRIVER SIDE DOOR SWITCH
Check continuity between terminal 1 and door switch case ground.
SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
Check continuity between terminals 1 and 2.
KEY SWITCH
Check continuity between key switch terminals 1 and 2.1 – Door switch case ground
When driver side door
switch is released: Continuity should exist.
When driver side door
switch is pressed: Continuity should not exist.
PKIA3718E
1 – 2
When seat belt (driver side)
is fastened: Continuity should not
exist.
When seat belt (driver side)
is unfastened: Continuity should
exist.
SKIB4802E
1 – 2
When key is inserted to
ignition key cylinder: Continuity should exist.
When key is removed from
ignition key cylinder: Continuity should not
exist.
SKIA5049E
