Z07254
M3 M4
M1 M2
Z07255
Wire Harness Side
SA
−
102
−
SUSPENSION AND AXLE
DIFFERENTIAL LOCKING SYSTEM
959
Author:
Date:
1996 LAND CRUISER (RM451U)
(6)
Check the voltage between the terminals of the Diff.
lock ECU when switching the Diff. lock control
switch with the speedometer, registering approx. 8
km/h (5 mph) or more.
(7)
Check that the indicator lights blink when center
Diff. lock release mode is set.
Diff. lock is released for both the front wheels and
rear wheels at this time.
(8)
Return the Diff. lock control switch to OFF.
(9)
Stop the engine and lower the vehicle.
2.
INSPECT DIFF. LOCK SYSTEM CIRCUIT
(a)
Inspect the system circuit with connector disconnected.
Disconnect the connector from the Diff. lock ECU and in-
spect the connector on the wire harness side, as shown
in the chart.
Trouble Part/
Terminals (Symbols)
Condition
Specified Value
Rear diff. lock actuator/
1 (M2)
−
3 (M1)
−
Less than 100
Ω
Front diff. lock actuator/
5 (M4)
−
7 (M1)
−
Less than 100
Ω
Body ground/
13 (GND)
−
Body ground
−
Continuity
Vehicle speed sensor/
4(SPD)
−
Body ground
Vehicle moving slowly
1 pulse each 40 cm (15.75 in.)
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Version 1.00 - 12/21/2010