AWD-ECU TERMINAL VOLTAGE REFERENCE CHART FOR ACD




Terminal No.
Inspection Items
Inspection requirement
Normal Condition
1
Proportioning valve (for ACD)
With the actuator test (item No.1), operate the proportioning valve <ACD>.
While executing the actuator test
0.2-4 V
After completing the actuator test
1 V or less
4
CAN-H
-
-
5
CAN-L
-
-
6
Pressure sensor power supply
Ignition switch: ON
Approx.5 V
7
Pressure sensor output voltage
Ignition switch: ON
0.5-2.7 V
8
Pressure sensor earth
Any time
1 V or less
12
Power supply
Any time
System voltage
13
Earth
Any time
1 V or less
16
Ignition switch
Ignition switch: ON
System voltage
Ignition switch: OFF
1 V or less
17
Back up power supply
Any time
System voltage
20
Electric pump relay
While the electric pump motor is operating
System voltage
21
AWC switch
Ignition switch: ON
Press and hold the switch.
System voltage
Release the switch.
1 V or less