2. For terminal description, refer to Table 4-2
Table 4-2
Testing
terminal
Wire
color
Terminal description Test condition Standard value
A1—body Y/W SRS air bag fault signal
Ignition switch ON, indicator lit →
unlit
Less than
1V→10～14V
A3—body Y/B
Parking brake indication
signal
Braking indicator unlit → lit
10～14V→less
than 1V
A4—body W/G
ABS brake indication
signal
Ignition switch ON, indicator lit →
unlit
Less than
1V→10～14V
A6—body Y/U
Driver’s seat belt status
signal
Ignition switch ON, driver’s seat belt
buckle open → in
10～14 V →
less than 1V
A7—body R/Y BCM fault warning signal
BCM Malfunction indicator light
unlit → lit
Less than
1V→10～14V
A9—body B
Instrument cluster
grounding
Always Less than 1Ω
A10—body W/B LIA BA9 signal input Reverse radar in operation LIA signal
A12—body V/W
Braking fault indication
signal
Braking indicator unlit → lit
Less than
1V→10～14V
A13—body S
Front door open, close
status indication, L
Door open lit → door close unlit
Less than
1V→10～14V
A14—body S/B
Front door open, close
status indication, R
Door open lit → door close unlit
Less than
1V→10～14V
A15—body S/G
Rear door open, close
status indication, L
Door open lit → door close unlit
Less than
1V→10～14V
A16—body S/Y
Rear door open, close
status indication, R
Door open lit → door close unlit
Less than
1V→10～14V
A17—body R Lamplet power signal Lamplet switch OFF→ON
Less than
1V→10～14V
A18—body G/Y Battery power B+ Always Less than 1Ω
A19—body V/B Engine power IG1 Always Less than 1Ω
A20—body V/B Engine power IG1 Always Less than 1Ω
A21—body O/G Speed signal (input)
Ignition switch ON, turn the driving
wheel slowly
Pulse signal
generated
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