7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS 439
Operational Voltage Checks for EOT Sensor with Breakout Harness (Check with breako
ut harness
connected to sensor and engine harness. C onnect breakout harness to engine harnes
sonly.)
Test Point Temp Resistanc e Voltage
2 (Green) to 1 (Black) 0 °C (32 °F) 91.1 kΩ
4.348 V
2 (Green) to 1 (Black) 20 °C (68 °F) 35.5 kΩ
3.782 V
2 (Green) to 1 (Black) 100 °C (212 °F) 2.0 k Ω
0.819 V
Operational Voltage Checks for EOT Sensor with Breakout Box (Check
with breakout box [X1 and X2
only] connected to the ECM and engine harness.)
X2–1 to X1–6
0 °C (32 °F) 91.1 kΩ
4.348 V
X2–1 to X1–6
20 °C (68 °F) 35.5 kΩ
3.782 V
X2–1 to X1–6
100 °C (212 °F) 2.0 kΩ
0.819 V
EOT Diagnostic Trouble Codes
DTC 311 = Signal voltage was < 0.2 V for more than 0.35 sec ond
DTC 312 = Signal voltage was > 4.78 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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