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P0500-NO VEHICLE SPEED SENSOR SIGNAL (CONTINUED) 2. VEHICLE SPEED SENSOR (B22) SIGNAL CIRCUIT OPEN BETWEEN CAB AND ECM Turn the ignition off. Measure the resistance of the Vehicle Speed (B22) signal circuit Is the resistance above 5.0 ohms? Yes >> Repair the open in the Vehicle Speed (B22) signal circuit between the CAB and ECM. Perform POWERTRAIN VERIFICATION TEST VER - 1 No >> Go To 3 3. VEHICLE SPEED SENSOR (B22) SIGNAL CIRCUIT SHORT TO GROUND Measure the resistance between ground and the Vehicle Speed (B22) Is the resistance below 100 ohms? Yes >> Repair the short to ground in the Vehicle Speed (B22) sig- nal circuit between the CAB and ECM. Perform POWERTRAIN VERIFICATION TEST VER - 1 No >> Go To 4 9 - 1282 ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL DR/DH |