REAR DIFFERENTIAL LOCK CONTROL UNIT CHECK




Terminal No.
Item
Condition
Terminal voltage
2
Vehicle speed sensor
Select "D" <A/T>, or "1st" <M/T> and drive forward slowly.
System voltage
3
Ignition switch (IG1)
Ignition switch: OFF
0 V
Ignition switch: ON
System voltage
4
Rear differential lock air pump
Ignition switch: ON
When filling or holding
System voltage
When releasing
0 V
5
Free wheel engage switch
Ignition switch: ON
4WD
System voltage
2WD
0 V
6
Earth
-
-
-
8
Rear differential lock detection switch
Ignition switch: ON
Rear differential lock is locked
System voltage
Rear differential is free
0 V
9
Rear differential lock switch (On position)
Ignition switch: ON
Rear differential lock switch is at "ON" or "OFF" position
System voltage (Power is supplied only while pushed.)
1
Rear differential lock switch (OFF position)
Rear differential lock switch is not at "ON" nor "OFF" position
0 V
10
Rear differential lock indicator lamp
Ignition switch: ON
Rear differential is locked
System voltage
Rear differential is free
0 V