Nissan Xterra. Manual — part 68
BCS
COMBINATION SWITCH OUTPUT CIRCUIT
BCS-31
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
COMBINATION SWITCH OUTPUT CIRCUIT
Diagnosis Procedure
INFOID:0000000009482957
Regarding Wiring Diagram information, refer to
.
1.
CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM and combination switch.
3. Check continuity between BCM harness connector and combi-
nation switch harness connector.
Does continuity exist?
YES
>> GO TO 2
NO
>> Repair or replace harness.
2.
CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Repair or replace harness.
NO
>> GO TO 3
3.
CHECK BCM INPUT VOLTAGE
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM harness connector and ground.
System
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
OUTPUT 1
M18
(A)
6
M28
(B)
6
Yes
OUTPUT 2
5
7
OUTPUT 3
4
10
OUTPUT 4
3
9
OUTPUT 5
2
8
ALMIA0275ZZ
System
BCM
Ground
Continuity
Connector
Terminal
OUTPUT 1
M18
6
No
OUTPUT 2
5
OUTPUT 3
4
OUTPUT 4
3
OUTPUT 5
2
ALMIA0276ZZ
ALMIA0277ZZ
BCS-32
< DTC/CIRCUIT DIAGNOSIS >
COMBINATION SWITCH OUTPUT CIRCUIT
Is the measurement value normal?
YES
>> GO TO 4
NO
>> Replace BCM. Refer to
BCS-50, "Removal and Installation"
4.
CHECK COMBINATION SWITCH
Check combination switch. Refer to
Is the check result normal?
YES
>> Replace BCM. Refer to
BCS-50, "Removal and Installation"
NO
>> Replace the combination switch (applicable parts). Refer to
EXL-161, "Removal and Installation"
Special Repair Requirement
INFOID:0000000009482958
1.
ADDITIONAL SERVICE WHEN REPLACING BCM
>> Refer to
BCS-3, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description"
.
System
Terminals
Voltage
(Approx.)
(+)
(
−)
BCM
Ground
Connector
Terminal
INPUT 1
M18
6
Refer to
.
INPUT 2
5
INPUT 3
4
INPUT 4
3
INPUT 5
2
BCS
BCM (BODY CONTROL MODULE)
BCS-33
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ECU DIAGNOSIS INFORMATION
BCM (BODY CONTROL MODULE)
Reference Value
INFOID:0000000009482959
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Activate and display TPMS transmitter IDs
• Display tire pressure reported by the TPMS transmitter
• Read TPMS DTCs
• Register TPMS transmitter IDs
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
ACC ON SW
Ignition switch OFF or ON
Off
Ignition switch ACC
On
AIR COND SW
A/C switch OFF
Off
A/C switch ON
On
AIR PRESS FL
Front left tire air pressure value
kPa, kg/cm
2
, psi
AIR PRESS FR
Front right tire air pressure value
kPa, kg/cm
2
, psi
AIR PRESS RL
Rear left tire air pressure value
kPa, kg/cm
2
, psi
AIR PRESS RR
Rear right tire air pressure value
kPa, kg/cm
2
, psi
AUTO LIGHT SW
Lighting switch OFF
Off
Lighting switch AUTO
On
BACK DOOR SW
Back door closed
Off
Back door opened
On
BRAKE SW
Brake pedal released
Off
Brake pedal applied
On
BUCKLE SW
Seat belt buckle unfastened
Off
Seat belt buckle fastened
On
BUZZER
Buzzer in combination meter OFF
Off
Buzzer in combination meter ON
On
CARGO LAMP SW
Cargo lamp switch OFF
Off
Cargo lamp switch ON
On
CDL LOCK SW
Door lock/unlock switch does not operate
Off
Press door lock/unlock switch to the LOCK side
On
CDL UNLOCK SW
Door lock/unlock switch does not operate
Off
Press door lock/unlock switch to the UNLOCK side
On
DOOR SW-AS
Front door RH closed
Off
Front door RH opened
On
DOOR SW-DR
Front door LH closed
Off
Front door LH opened
On
DOOR SW-RL
Rear door LH closed
Off
Rear door LH opened
On
DOOR SW-RR
Rear door RH closed
Off
Rear door RH opened
On
BCS-34
< ECU DIAGNOSIS INFORMATION >
BCM (BODY CONTROL MODULE)
ENGINE RUN
Engine stopped
Off
Engine running
On
FAN ON SIG
Blower motor fan switch OFF
Off
Blower motor fan switch ON
On
FR FOG SW
Front fog lamp switch OFF
Off
Front fog lamp switch ON
On
FR WASHER SW
Front washer switch OFF
Off
Front washer switch ON
On
FR WIPER LOW
Front wiper switch OFF
Off
Front wiper switch LO
On
FR WIPER HI
Front wiper switch OFF
Off
Front wiper switch HI
On
FR WIPER INT
Front wiper switch OFF
Off
Front wiper switch INT
On
FR WIPER STOP
Any position other than front wiper stop position
Off
Front wiper stop position
On
HAZARD SW
When hazard switch is not pressed
Off
When hazard switch is pressed
On
HEAD LAMP SW 1
Headlamp switch OFF
Off
Headlamp switch 1st
On
HEAD LAMP SW 2
Headlamp switch OFF
Off
Headlamp switch 1st
On
HI BEAM SW
High beam switch OFF
Off
High beam switch HI
On
ID REGST FL1
ID registration of front left tire incomplete
YET
ID registration of front left tire complete
DONE
ID REGST FR1
ID registration of front right tire incomplete
YET
ID registration of front right tire complete
DONE
ID REGST RL1
ID registration of rear left tire incomplete
YET
ID registration of rear left tire complete
DONE
ID REGST RR1
ID registration of rear right tire incomplete
YET
ID registration of rear right tire complete
DONE
IGN ON SW
Ignition switch OFF or ACC
Off
Ignition switch ON
On
IGN SW CAN
Ignition switch OFF or ACC
Off
Ignition switch ON
On
INT VOLUME
Wiper intermittent dial is in a dial position 1 - 7
1 - 7
KEY CYL LK-SW
Door key cylinder LOCK position
Off
Door key cylinder other than LOCK position
On
KEY CYL UN-SW
Door key cylinder UNLOCK position
Off
Door key cylinder other than UNLOCK position
On
KEY ON SW
Mechanical key is removed from key cylinder
Off
Mechanical key is inserted to key cylinder
On
Monitor Item
Condition
Value/Status
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