7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS 513
Operational Voltage Checks for MAT Sensor with Breakout Box (Check with breakout
box connected
[X1 and X2 only] to the ECM and engine harness.)
X2–14toX1–6
0 °C (32 °F) 93.8 kΩ
4.36 V
X2–14toX1–6
15 °C (59 °F) 47.6 kΩ
4.0 V
X2–14toX1–6
40 °C (104 °F) 15.8 kΩ
2.98 V
X2–14toX1–6
100°C(212°F) 2.3kΩ
0.93 V
MAT Diagnostic Trouble Codes
DTC 161 = Signal voltage was < 0.098 V for more than 0.35 se
cond
DTC 162 = Signal voltage was > 4.58 V for more than 0.35 second
EGES-270-1
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
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