Nissan Pathfinder (2008 year). Manual — part 79
BCS
COMBINATION SWITCH INPUT CIRCUIT
BCS-33
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
COMBINATION SWITCH INPUT CIRCUIT
Diagnosis Procedure
INFOID:0000000001712692
1.
CHECK INPUT 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 INPUT 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 OUTPUT VOLTAGE
1.
Connect BCM.
2.
Turn ignition switch ON.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
System
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
INPUT 1
M18
(A)
6
M28
(B)
6
Yes
INPUT 2
5
7
INPUT 3
4
10
INPUT 4
3
9
INPUT 5
2
8
ALMIA0275ZZ
System
BCM
Ground
Continuity
Connector
Terminal
INPUT 1
M18
6
No
INPUT 2
5
INPUT 3
4
INPUT 4
3
INPUT 5
2
ALMIA0276ZZ
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
ALMIA0277ZZ
BCS-34
< COMPONENT DIAGNOSIS >
COMBINATION SWITCH INPUT CIRCUIT
YES
>> GO TO 4
NO
>> Replace BCM. Refer to
BCS-54, "Removal and Installation"
4.
CHECK COMBINATION SWITCH
Check combination switch. Refer to
.
Is the check result normal?
YES
>> Replace BCM. Refer to
BCS-54, "Removal and Installation"
NO
>> Replace the combination switch (applicable parts). Refer to
EXL-116, "Removal and Installation"
Special Repair Requirement
INFOID:0000000001712693
1.
ADDITIONAL SERVICE WHEN REPLACING BCM
>> Refer to
BCS-3, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair
BCS
COMBINATION SWITCH OUTPUT CIRCUIT
BCS-35
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
COMBINATION SWITCH OUTPUT CIRCUIT
Diagnosis Procedure
INFOID:0000000001712694
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 COMBINATION SWITCH
Check combination switch. Refer to
Is the check result normal?
YES
>> Replace BCM. Refer to
BCS-54, "Removal and Installation"
NO
>> Replace combination switch (applicable parts). Refer to
EXL-116, "Removal and Installation"
Special Repair Requirement
INFOID:0000000001712695
1.
ADDITIONAL SERVICE WHEN REPLACING BCM
>> Refer to
BCS-3, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair
System
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
OUTPUT 1
M18
(A)
36
M28
(B)
1
Yes
OUTPUT 2
35
2
OUTPUT 3
34
3
OUTPUT 4
33
4
OUTPUT 5
32
5
ALMIA0278ZZ
System
BCM
Ground
Continuity
Connector
Terminal
OUTPUT 1
M18
36
No
OUTPUT 2
35
OUTPUT 3
34
OUTPUT 4
33
OUTPUT 5
32
ALMIA0279ZZ
BCS-36
< COMPONENT DIAGNOSIS >
COMBINATION SWITCH
COMBINATION SWITCH
Description
INFOID:0000000001712696
COMBINATION SWITCH MATRIX
Combination switch consists of INPUT circuit and OUTPUT circuit.
Combination switch circuit
Combination switch INPUT-OUTPUT system list
NOTE:
Headlamp has a dual system switch.
Diagnosis Procedure
INFOID:0000000001712697
1.
CHECK LIGHT & TURN SIGNAL SWITCH
Check operation with normal light & turn signal switch installed.
Does it operate normally?
YES
>> Replace light & turn signal switch. Refer to
EXL-116, "Removal and Installation"
.
NO
>> GO TO 2
2.
CHECK WIPER & WASHER SWITCH
Check operation with normal wiper & washer switch installed.
Does it operate normally?
YES
>> Replace wiper & washer switch. Refer to
WW-49, "Removal and Installation"
.
System
OUTPUT 1
OUTPUT 2
OUTPUT 3
OUTPUT 4
OUTPUT 5
INPUT 1
—
FR WASHER
FR WIPER LOW
TURN LH
TURN RH
INPUT 2
FR WIPER HI
—
FR WIPER INT
PASSING
HEADLAMP 1
INPUT 3
INT VOLUME 1
RR WASHER
—
HEADLAMP 2
HI BEAM
INPUT 4
RR WIPER INT
INT VOLUME 3
AUTO LIGHT
—
TAIL LAMP
INPUT 5
INT VOLUME 2
RR WIPER
—
FR FOG
—
LIIA0760E
BCS
COMBINATION SWITCH
BCS-37
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
NO
>> GO TO 3
3.
CHECK SWITCH BASE (SPIRAL CABLE)
Check operation with normal switch base (spiral cable) installed.
Does it operate normally?
YES
>> Replace switch base (spiral cable). Refer to
SR-6, "Removal and Installation"
NO
>> Combination switch is normal.
BCS-38
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
ECU DIAGNOSIS
BCM (BODY CONTROL MODULE)
Reference Value
INFOID:0000000001712698
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
AIR COND SW
A/C switch OFF
OFF
A/C switch ON
ON
AUT LIGHT SYS
Outside of the room is dark
OFF
Outside of the room is bright
ON
AUTO LIGHT SW
Lighting switch OFF
OFF
Lighting switch AUTO
ON
BACK DOOR SW
Back door closed
OFF
Back door opened
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
ENGINE RUN
Engine stopped
OFF
Engine running
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
LIGHT SW 1ST
Lighting switch OFF
OFF
Lighting switch 1st
ON
BCS
BCM (BODY CONTROL MODULE)
BCS-39
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
HEADLAMP SW1
Headlamp switch OFF
OFF
Headlamp switch 1st
ON
HEADLAMP SW2
Headlamp switch OFF
OFF
Headlamp switch 1st
ON
HI BEAM SW
High beam switch OFF
OFF
High beam switch HI
ON
H/L WASH SW
NOTE:
The item is indicated, but not monitored
OFF
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
I-KEY LOCK
1
LOCK button of Intelligent Key is not pressed
OFF
LOCK button of Intelligent Key is pressed
ON
I-KEY UNLOCK
1
UNLOCK button of Intelligent Key is not pressed
OFF
UNLOCK button of Intelligent Key is pressed
ON
KEY ON SW
Mechanical key is removed from key cylinder
OFF
Mechanical key is inserted to key cylinder
ON
KEYLESS LOCK
2
LOCK button of key fob is not pressed
OFF
LOCK button of key fob is pressed
ON
KEYLESS UNLOCK
2
UNLOCK button of key fob is not pressed
OFF
UNLOCK button of key fob is pressed
ON
OIL PRESS SW
• Ignition switch OFF or ACC
• Engine running
OFF
Ignition switch ON
ON
PASSING SW
Other than lighting switch PASS
OFF
Lighting switch PASS
ON
PUSH SW
1
Return to ignition switch to LOCK position
OFF
Press ignition switch
ON
REAR DEF SW
Rear window defogger switch OFF
OFF
Rear window defogger switch ON
ON
RKE LOCK AND
UNLOCK
2
NOTE:
The item is indicated, but not monitored
OFF
ON
RR WASHER SW
Rear washer switch OFF
OFF
Rear washer switch ON
ON
RR WIPER INT
Rear wiper switch OFF
OFF
Rear wiper switch INT
ON
RR WIPER ON
Rear wiper switch OFF
OFF
Rear wiper switch ON
ON
RR WIPER STOP
Rear wiper stop position
OFF
Other than rear wiper stop position
ON
TAIL LAMP SW
Lighting switch OFF
OFF
Lighting switch 1ST
ON
Monitor Item
Condition
Value/Status
BCS-40
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
1: With Intelligent Key
2: With remote keyless entry system
TRNK OPNR SW
When back door opener switch is not pressed
OFF
When back door opener switch is pressed
ON
TURN SIGNAL L
Turn signal switch OFF
OFF
Turn signal switch LH
ON
TURN SIGNAL R
Turn signal switch OFF
OFF
Turn signal switch RH
ON
VEHICLE SPEED
While driving
Equivalent to speedometer reading
Monitor Item
Condition
Value/Status
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