Specifications

TEST ACTION APPLICABILITY
3 Turn the ignition on.
With the DRBIIIt, read the CAB DTCs.
Are there any CAB DTCs?
All
Yes → Refer to symptom list for problems related to CAB.
Perform ROAD TEST VERIFICATION - VER-2.
No → Go To 4
4 Turn the ignition off.
Disconnect the CAB Module harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of each CAN Bus circuit between the ECM harness connector
and the CAB harness connector.
Is the resistance below 10.0 ohms for each measurement?
All
Yes → Go To 5
No → Repair the open CAN Bus circuit(s) between the ECM and the
SKREEM.
Perform ROAD TEST VERIFICATION - VER-2.
5 With the DRBIIIt, perform the Wheel Speed Test of the ABS system.
Were any problems found?
All
Yes → Repair wheel speed signal problem as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No → Go To 6
6 Check the Brake Switch for proper operation and adjustment.
Were any problems found?
All
Yes → Adjust or replace the Brake Switch as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No → Test Complete.
7 WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspectthe related wiring harness connectors. Look forbroken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?
All
Yes → Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No → Test Complete.
210
DRIVEABILITY - DIESEL
P2333-S/C VEHICLE SPEED PLAUSIBILITY — Continued