Navistar International DT 466 Diagnostic/Troubleshooting Manual page 369

7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
Operational Voltage Checks for EBP with Breakout Harness (Check with breakout harness connected to
sensor and engine harness.)
Test Point
3 (Green) to 1 (Black) 0.63 V
3 (Green) to 1 (Black) 1.20 V
3 (Green) to 1 (Black) 1.92 V
Operational Voltage Checks for EBP with Breakout Box (Check with breakout box connected [X1 and X2
only] to the ECM and engine harness.)
X2–8 to X1–6
X2–8 to X1–6
X2–8 to X1–6
EBP Diagnostic Trouble Codes
DTC 341 = Signal voltage was < 0.039 V for more than 0.5 second
DTC 342 = Signal voltage was > 4.9 V for more than 0.5 second
DTC 344 = Exhaust back pressure was > expected with key-on engine-off
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Voltage Pressure
0 kPa (0 psi)
55 kPa (8 psi)
124 kPa (18 psi)
0.63 V 0 kPa (0 psi)
1.20 V 55 kPa (8 psi)
1.92 V 124 kPa (18 psi)
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
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