169
On the SAM Pump Controller, CAN troubleshooting diagnostic screen (Output/Input password),
select the INPUTS screen and look for the autoLube Water in Oil and “Gear Water in Oil” icons.
On the SAM Pump Controller MIV TS Diagnostic Screen (password 6060), select the INPUT
screen and look for the “Water Detect” icon. While keeping the sensor connected to the SAM
harness, remove the sensor from the gearbox body. Immerse the sensor tip completely in water
to change the icon from red to green, indicating that
4.16.2.8
Diode Troubleshooting
Set multimeter to test a diode.
Plug test connector into multimeter (black lead to common input).
Ensure SAM power is OFF (no voltage at diode).
Plug test connector into diode connector. Multimeter displays ~ 0.679.
Figure 136. Forward Bias Test
Reverse test leads. Multimeter displays OL.
Figure 137. Reverse (or Forward ??) Bias Test
Otherwise, diode is failed. Replace diode, see Table 57 (page 102) for part number information.
NOTES
Open Diode
If the diode reads high resistance in both directions, this is a sign that the diode is open. A diode
should not measure very high resistance in the forward biased direction. The diode should be re-
placed in the circuit.
Содержание Hale Sam
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