Advertisement
10B-36 Body Electrical Control System:
Reference waveform No. 1
Parking brake or brake fluid level switch signal (1)
Measurement terminal Parking brake switch
CH2: "L01-6" to "G33-3"
Brake fluid level switch
CH2: "E46-5" to "G33-3"
Oscilloscope setting
CH1: 5 V / DIV
TIME: 10 ms / DIV
Measurement
Parking brake switch:
condition
• Ignition switch is at ON
Brake fluid level switch
• Ignition switch is at ON
Reference waveform No. 2
"3" position switch signal (1) for TCM
Measurement terminal CH2: "L01-8" to "G33-3"
Oscilloscope setting
CH2: 5 V/DIV
TIME: 400 ms/DIV
Measurement
Ignition switch is at ON position
condition
and A/T selector lever is at any
position other than "2" or "3"
position
position, parking brake lever
is released
position, brake fluid lever is in
normal
I4RS0AA20018-
I4RS0AA20015-
Reference waveform No. 3
Driver seat belt switch signal (1)
Measurement terminal CH2: "L01-14" to "G33-3"
Oscilloscope setting
CH2: 5 V/DIV
TIME: 400 ms/DIV
Measurement
Ignition switch is at ON position
condition
and driver side seat belt is
fastened
Reference waveform No. 4
BCM – ECM CAN communication signal
Measurement terminal CH2: "E46-1" to "G33-3"
CH3: "E46-2" to "G33-3"
Oscilloscope setting
CH2: 1 V/DIV
CH3: 1 V/DIV
TIME: 40 s/ DIV
Measurement
Ignition switch is at ON position
condition
1. CAN communication line signal (High)
2. CAN communication line signal (Low)
I4RS0AA20016-
I4RS0AA20017-
Advertisement
