Suzuki 2006 SX4, Service Manual

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10B-23 Body Electrical Control System:
Junction block connector “L314”
Junction block connector “L315”
Reference waveform No. 1
Parking brake or brake fluid level switch signal (1)
Reference waveform No. 2
Driver seat belt switch signal (1)
Terminal Circuit Normal voltage Condition
L314-4 Ground for BCM 0 V Ignition switch is at all positions
L314-8
Rear end door window
defogger wire
10 – 14 V
Engine is running and rear end door window
defogger is in operation
0 V
Engine is running and rear end door window
defogger is not in operation
L314-9 Rear wiper control
10 – 14 V
Ignition switch is at ON position and rear
wiper is not in operation
0 V
Ignition switch is at ON position and rear
wiper is in operation
Terminal Circuit Normal voltage Condition
L315-9
Rear right and left door lock
actuator control (Unlock) (if
equipped) 10 – 14 V
Unlock signal is output for rear door lock
actuator
0 V
Unlock signal is not output for rear door lock
actuator
L315-10
Door lock actuator control
(Lock) (if equipped)
10 – 14 V Lock signal is output for all door lock actuators
0 V
Lock signal is not output for all door lock
actuators
Measurement terminal Parking brake switch
CH2: “L01-6” to “G271-3”
Brake fluid level switch
CH2: “E04-5” to “G271-3”
Oscilloscope setting CH1: 5 V / DIV
TIME: 10 ms / DIV
Measurement
condition Parking brake switch:
• Ignition switch is at ON
position, parking brake lever
is released
Brake fluid level switch
• Ignition switch is at ON
position, brake fluid level is in
normal
I4RS0AA20018-02
Measurement terminal CH2: “L01-14” to “G271-3”
Oscilloscope setting
CH2: 5 V/DIV
TIME: 4 ms/DIV
Measurement
condition Ignition switch is at ON position
and driver side seat belt is
fastened
I4RS0AA20016-02