Navistar International DT 466 Diagnostic/Troubleshooting Manual page 336

332 7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
1 to gnd cable
> 500 Ω
2 to gnd cable > 500 Ω
3 to gnd cable > 1 kΩ
Harness Resistance Checks with valve cover removed (Connect breakout box [X1 and X2] to engine
harness only. Connect UVC Pressure Sensor Breakout Harness to UVC connector only.)
X1–6 to 1
< 5 Ω
X1–14 to 2 < 5 Ω
X2–11 to 3 < 5 Ω
1
Connector 9260 is a 2-wire connector usually located in the battery box. Pin A is the chassis ground connection for the
ECM and IDM. See truck Chassis Electrical Circuit Diagram Manual for complete chassis side ECM and IDM ground
circuit information.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
If < 500 Ω, check for short to ground.
If < 500 Ω, check for short to ground.
If < 1 kΩ, check for short to ground.
If > 5 Ω, check for open ground.
If > 5 Ω, check for open V
If > 5 Ω, check for open BCP signal.
EGES-270-1
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
.
REF