Subsection 13 (GEARBOX AND 4X4 COUPLING UNIT (WITH GBPS))
vmr2012-020-020_a
1. VSS connector
5. Measure voltage as per following table.
VEHICLE SPEED SENSOR INPUT VOLTAGE TEST
TEST PROBES
RESULT
(KEY ON)
PIN A
VIOLET/BLUE
wire
PIN C
GREEN/BROWN
wire
Battery voltage
If voltage is not as specified, test positive and
ground circuits separately.
Testing the VSS Signal
1. Lift rear of vehicle so that rear wheels are off
the ground.
2. Set transmission to 2WD and to NEUTRAL.
3. Back-probe the VSS connector.
REQUIRED TOOL
FLUKE RIGID BACK-PROBE (P/N TP88)
4. Turn ignition switch ON.
5. Set emergency engine stop switch to RUN.
6. Set multimeter to Vdc.
7. Measure voltage while slowly rotating rear
wheels by hand.
VEHICLE SPEED SENSOR SIGNAL TEST
TEST PROBES
RESULT
(WHILE ROTATING
WHEELS)
PIN B
WHITE wire
PIN C
BLACK wire
Alternate reading
between battery
voltage and 0 Vdc
NOTE:
Since we measure pulsating voltage, the
numeric display will continuously change. The
analog display may be easier to follow.
smr2005-056-010_a
1. Analog display
Removing the VSS
Remove screw retaining the VSS.
Tmr2011-016-088_a
1. Screw
2. VSS
Turn sensor and weave it out of the gearbox right
cover.
tmr2011-016-089_a
6
vmr2016-424