BCM (BODY CONTROL MODULE)BCS-7
< SERVICE INFORMATION >
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• When CAN communication operation is detected, it switches to CAN communication status.
• When a state of the following switches changes , it switches to CAN communication state:
- Ignition switch
- Key switch (without Intelligent Key)
- Key switch and ignition knob switch (with Intelligent Key)
- Hazard switch
- Door lock/unlock switch (with power door locks)
- Front door switch (LH, RH)
- Rear door switch (LH, RH)
- Back door lock assembly (Hatchback)
- Trunk key cylinder switch (Sedan)
- Trunk lamp switch and trunk release solenoid (Sedan)
- Combination switch (passing, lighting switch 1st position, front fog lamp)
- Keyfob (lock/unlock signal) (with power door locks)
- Front door key cylinder switch LH
• When control performed only by BCM is required by switch, it shifts to CAN communication inactive mode.
• Status of combination switch reading function is changed.
SYSTEMS CONTROLLED BY BCM DIRECTLY
• Power door lock system (with power door locks). Refer to BL-23, "System Description" .
• Remote keyless entry system. Refer to BL-58, "
System Description" .
• Power window system (with power windows). Refer to GW-19, "
System Description" . NOTE
• Sunroof system (with sunroof). Refer to RF-11, "System Description". NOTE
• Room lamp timer. Refer to LT-94, "System Description" .
• Rear wiper and washer system (Hatchback). Refer to WW-26, "
System Description" .
NOTE:
Power supply only. No system control.
SYSTEMS CONTROLLED BY BCM AND IPDM E/R
• Panic system. Refer to BL-58, "System Description" .
• Vehicle security (theft warning) system. Refer to BL-219, "
System Description" .
• NVIS(NATS) system. Refer to BL-248, "
System Description" .
• Headlamp, tail lamp and battery saver control systems. Refer to LT-75, "
System Description", LT- 6 , "System
Description" or LT-28, "System Description" .
• Front fog lamp (with front fog lamps). Refer to LT-42, "
System Description" .
• Front wiper and washer system. Refer to WW-5, "
System Description" .
• Rear window defogger system. Refer to GW-51, "
System Description" .
SYSTEMS CONTROLLED BY BCM AND COMBINATION METER
• Warning chime. Refer to DI-43, "System Description" .
• Turn signal and hazard warning lamps. Refer to LT-51, "
System Description" .
SYSTEMS CONTROLLED BY BCM AND INTELLIGENT KEY UNIT (WITH INTELLIGENT KEY)
• Intelligent Key system. Refer to BL-88, "System Description" .
MAJOR COMPONENTS AND CONTROL SYSTEM
System Input Output
Remote keyless entry system (with
power door locks) Remote keyless entry receiver
(keyfob)• All door locking actuators
• Turn signal lamp (LH, RH)
• Combination meter (turn signal lamp)
Intelligent Key system (with Intelligent
Key) Intelligent Key unit• All door locking actuators
• Turn signal lamp (LH, RH)
• Combination meter (turn signal lamp)
Power door lock system (with power
door locks) Front power door lock/unlock
switch (LH, RH)
All door locking actuators
Power supply (IGN /RAP) to power
window (with power windows) Ignition retained power supply Power supply to power window and sunroof system
Power supply (BAT) to power window
(with power windows) Battery power supply
Power supply to power window and sunroof system
Revision: January 20102010 Versa
WARNING CHIMEDI-49
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1.CHECK BCM
Perform self-diagnosis of BCM. Refer to DI-47, "
CONSULT-III Function (BCM)".
Self
-diagnostic results content
No malfunction detected>> GO TO 2.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.
2.CHECK COMBINATION METER
Perform self-diagnosis of combination meter. Refer to DI-13, "
CONSULT-III Function (METER/M&A)".
Self
-diagnostic results content
No malfunction detected>> Inspection End.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.
SYMPTOM CHART
Combination Meter Buzzer Circuit InspectionINFOID:0000000005395045
1.CHECK CHIME OPERATION
1. Select “BUZZER” of “BCM” on CONSULT-III.
2. Perform “LIGHT WARN ALM” or “IGN KEY WARN ALM” of “ACTIVE TEST”.
Does chime sound?
YES >> Combination meter buzzer circuit is OK. Return to DI-48, "Trouble Diagnosis".
NO >> GO TO 2.
2.CHECK COMBINATION METER INPUT SIGNAL
1. Select “METER/M&A” on CONSULT-III.
2. Turn on hazard switch or lighting switch while monitoring “BUZZER” of “DATA MONITOR” and check
operation status.
OK or NG
Symptom Diagnoses/Service procedure
All warning chime systems do not activate. Perform the following inspections.
•
DI-49, "
Combination Meter Buzzer Circuit Inspection"
•DI-50, "Front Door Switch LH Signal Inspection"
If above check is OK, replace BCM. Refer to BCS-19, "Removal
and Installation of BCM".
Key warning chime
does not activate. Without Intelligent Key.
Perform
DI-51, "
Key Switch Signal Inspection (Without Intelligent
Key)".
If above check is OK, replace BCM. Refer to BCS-19, "
Removal
and Installation of BCM".
With Intelligent Key, when mechanical key
is used. Perform
DI-52, "
Key Switch and Ignition Knob Switch Signal In-
spection (With Intelligent Key, When Mechanical Key Is Used)".
If above check is OK, replace BCM. Refer to BCS-19, "
Removal
and Installation of BCM".
With Intelligent Key, when Intelligent Key
is carried with the driver. Refer to BL-119, "
Trouble Diagnosis Symptom Chart".
Light warning chime does not activate. Perform
DI-54, "
Lighting Switch Signal Inspection".
If above check is OK, replace BCM. Refer to BCS-19, "
Removal
and Installation of BCM".
Parking brake warning chime does not activate Perform the following inspections
•
DI-54, "
Parking Brake Switch Signal Inspection"
•DI-16, "Vehicle Speed Signal Inspection"
“BUZZER”
While hazard switch or
lighting switch is ON : ON and OFF repeatedly
Except above : OFF
Revision: January 20102010 Versa
