Nissan Maxima. Manual — part 223
BCS
COMBINATION SWITCH OUTPUT CIRCUIT
BCS-39
< DTC/CIRCUIT DIAGNOSIS >
[BCM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
COMBINATION SWITCH OUTPUT CIRCUIT
Diagnosis Procedure
INFOID:0000000009467072
Regarding Wiring Diagram information, refer to
.
1.
CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
1. Turn the ignition switch OFF.
2. Disconnect the BCM and combination switch.
3. Check continuity between BCM harness connector and combination 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 the BCM and the combination switch connector.
2. Check voltage between BCM harness connector and ground.
System
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
OUTPUT 1
M18 (A)
51
M28 (B)
12
Yes
OUTPUT 2
52
14
OUTPUT 3
53
5
OUTPUT 4
54
2
OUTPUT 5
50
8
System
BCM
Ground
Continuity
Connector
Terminal
OUTPUT 1
M18
51
No
OUTPUT 2
52
OUTPUT 3
53
OUTPUT 4
54
OUTPUT 5
50
BCS-40
< DTC/CIRCUIT DIAGNOSIS >
[BCM]
COMBINATION SWITCH OUTPUT CIRCUIT
Is the measurement normal?
YES
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
NO
>> Replace the combination switch. Refer to
EXL-160, "Removal and Installation"
(xenon type) or
EXL-324, "Removal and Installation"
(halogen type).
Special Repair Requirement
INFOID:0000000009467073
1.
REQUIRED WORK WHEN REPLACING BCM
Initialize control unit. Refer to
BCS-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) :
.
>> Work end.
System
Terminals
Voltage
(Approx.)
(+)
(-)
BCM
Ground
Connector
Terminal
INPUT 1
M19
95
Refer to
.
INPUT 2
97
INPUT 3
76
INPUT 4
96
INPUT 5
75
BCS
BCM (BODY CONTROL MODULE)
BCS-41
< ECU DIAGNOSIS INFORMATION >
[BCM]
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:0000000009467074
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
• Check Intelligent Key relative signal strength
• Confirm vehicle Intelligent Key antenna signal strength
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
FR WIPER HI
Other than front wiper switch HI
OFF
Front wiper switch HI
ON
FR WIPER LOW
Other than front wiper switch LO
OFF
Front wiper switch LO
ON
FR WASHER SW
Front washer switch OFF
OFF
Front washer switch ON
ON
FR WIPER INT
Other than front wiper switch INT
OFF
Front wiper switch INT
ON
FR WIPER STOP
Front wiper is not in STOP position
OFF
Front wiper is in STOP position
ON
INT VOLUME
Wiper intermittent dial is in a dial position 1 - 7
Wiper intermittent dial position
TURN SIGNAL R
Other than turn signal switch RH
OFF
Turn signal switch RH
ON
TURN SIGNAL L
Other than turn signal switch LH
OFF
Turn signal switch LH
ON
TAIL LAMP SW
Other than lighting switch 1ST and 2ND
OFF
Lighting switch 1ST or 2ND
ON
HI BEAM SW
Other than lighting switch HI
OFF
Lighting switch HI
ON
HEAD LAMP SW 1
Other than lighting switch 2ND
OFF
Lighting switch 2ND
ON
HEAD LAMP SW 2
Other than lighting switch 2ND
OFF
Lighting switch 2ND
ON
PASSING SW
Other than lighting switch PASS
OFF
Lighting switch PASS
ON
AUTO LIGHT SW
Other than lighting switch AUTO
OFF
Lighting switch AUTO
ON
FR FOG SW
Front fog lamp switch OFF
OFF
Front fog lamp switch ON
ON
DOOR SW-DR
Driver door closed
OFF
Driver door opened
ON
BCS-42
< ECU DIAGNOSIS INFORMATION >
[BCM]
BCM (BODY CONTROL MODULE)
DOOR SW-AS
Passenger door closed
OFF
Passenger door opened
ON
DOOR SW-RR
Rear door RH closed
OFF
Rear door RH opened
ON
DOOR SW-RL
Rear door LH closed
OFF
Rear door LH opened
ON
DOOR SW-BK
Trunk door closed
OFF
Trunk door opened
ON
CDL LOCK SW
Other than power door lock switch LOCK
OFF
Power door lock switch LOCK
ON
CDL UNLOCK SW
Other than power door lock switch UNLOCK
OFF
Power door lock switch UNLOCK
ON
KEY CYL LK-SW
Other than driver door key cylinder LOCK position
OFF
Driver door key cylinder LOCK position
ON
KEY CYL UN-SW
Other than driver door key cylinder UNLOCK position
OFF
Driver door key cylinder UNLOCK position
ON
HAZARD SW
When hazard switch is not pressed
OFF
When hazard switch is pressed
ON
REAR DEF SW
When rear window defogger switch is pressed
ON
TR CANCEL SW
Trunk lid opener cancel switch OFF
OFF
Trunk lid opener cancel switch ON
ON
TR/BD OPEN SW
Trunk lid opener switch OFF
OFF
While the trunk lid opener switch is turned ON
ON
TRNK/HAT MNTR
Trunk lid closed
OFF
Trunk lid opened
ON
RKE-LOCK
When LOCK button of Intelligent Key is not pressed
OFF
When LOCK button of Intelligent Key is pressed
ON
RKE-UNLOCK
When UNLOCK button of Intelligent Key is not pressed
OFF
When UNLOCK button of Intelligent Key is pressed
ON
RKE-TR/BD
When TRUNK OPEN button of Intelligent Key is not pressed
OFF
When TRUNK OPEN button of Intelligent Key is pressed
ON
RKE-PANIC
When PANIC button of Intelligent Key is not pressed
OFF
When PANIC button of Intelligent Key is pressed
ON
RKE-P/W OPEN
When UNLOCK button of Intelligent Key is not pressed and held
OFF
When UNLOCK button of Intelligent Key is pressed and held
ON
RKE-MODE CHG
When LOCK/UNLOCK button of Intelligent Key is not pressed and
held simultaneously
OFF
When LOCK/UNLOCK button of Intelligent Key is pressed and held
simultaneously
ON
OPTICAL SENSOR
When outside of the vehicle is bright
Close to 5 V
When outside of the vehicle is dark
Close to 0 V
REQ SW -DR
When front door request switch is not pressed (driver side)
OFF
When front door request switch is pressed (driver side)
ON
REQ SW -AS
When front door request switch is not pressed (passenger side)
OFF
When front door request switch is pressed (passenger side)
ON
Monitor Item
Condition
Value/Status
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