10B-33 Body Electrical Control System:
BCM connector “G37”
E46-11 Oil pressure switch
*3 – 14 V Refer to “Reference waveform No. 5: ”
0 V Ignition switch is at ON position and engine is at stop
E46-12 — — —
E46-13 — — —
E46-14 — — —
Terminal Circuit Normal voltage Condition
Terminal Circuit Normal voltage Condition
G37-1
CAN communication line (low)
for DLC
*1.6 – 2.5 V Refer to “Reference waveform No. 6: ”
G37-2
CAN communication line (low)
for combination meter
*1.6 – 2.5 V Refer to “Reference waveform No. 7: ”
G37-3
CAN communication line
(high) for DLC
*2.5 – 3.6 V Refer to “Reference waveform No. 6: ”
G37-4
CAN communication line
(high) for combination meter
*2.5 – 3.6 V Refer to “Reference waveform No. 7: ”
G37-5
Serial communication line of
data link connector
8 – 12 V Ignition switch is at ON position
G37-6 — — —
G37-7 — — —
G37-8 Theft deterrent light
10 – 14 V Theft deterrent light is not lit up
0 V Theft deterrent light is lit up
G37-9 — — —
G37-10 — — —
G37-11
Serial communication line for
information display
(if equipped)
*0 – 1 V
↑↓
10 – 14 V
Refer to “Reference waveform No. 8: ”
G37-12
Ground for keyless entry
receiver (if equipped)
0 V —
G37-13
Power supply for keyless entry
receiver (if equipped)
4 – 6 V Ignition switch is at all positions
G37-14
Signal for keyless entry
receiver (if equipped)
*0 – 1 V
↑↓
4 – 6 V
Refer to “Reference waveform No. 9: ”
G37-15 — — —
G37-16 Key reminder switch
10 – 14 V Ignition key is inserted to ignition key cylinder
0 V Ignition key is pulled out from ignition key cylinder
G37-17
Rear end door window
defogger switch
0 V
Ignition switch is at ON position and rear end door
window defogger switch is pushed
10 – 14 V
Ignition switch is at ON position and rear end door
window defogger switch is not pushed
G37-18 A/C switch
*3 – 14 V Refer to “Reference waveform No. 10: ”
0 V
Ignition switch is at ON position, blower speed selector
is at any position other than OFF position and A/C
switch is at ON position
G37-19 — — —
G37-20 — — —
G37-21 Rear wiper INT switch
*0 – 1 V
↑↓
10 – 14 V
Refer to “Reference waveform No. 11: ”
0 V
Ignition switch is at ON position and rear wiper switch
is at INT position
G37-22 Rear wiper low switch
*0 – 1 V
↑↓
10 – 14 V
Refer to “Reference waveform No. 12: ”
0 V
Ignition switch is at ON position and rear wiper switch
is at LOW position