CUMMINS INSITE RENEWAL MANUAL
“If the failure is deemed to be real, regular service-based diagnostics are carried out according to the Fault Code Action Plan and Service Manual instructions.
“This step involves reviewing the critical input signals against fault-setting conditions and diagnostics entry conditions,” he said. Gosbee went onto explain that when a failure is reported by the Malfunction Indicator Lamp (MIL), the onboard data loggers transmit data to the company’s uptime command center, where engineering teams can review the data and assess the validity of the failure. “These parameters include, among others, regeneration frequency, DEF consumption, aftertreatment temperature profiles, and capability metrics of critical aftertreatment diagnostics. “Navistar relies heavily on data-based engineering root cause analysis, which includes continuous monitoring of the critical parameters of the aftertreatment system health indicators,” added Darren Gosbee, vice president of engineering with Navistar Inc. Cummins uses several diagnostic service tests within our INSITE Service Tool, including SCR performance test, DPF restriction test, stationary regenerations, etc., to evaluate the health of the aftertreatment system.” “For example, aftertreatment temperatures and regeneration efficiency information found in Cummins’ INSITE service tool can help show if DOC degradation is present. “Data can give us tremendous insights into the performance of aftertreatment systems,” explained Cummins Components Service Engineers Joe Schulz, Mike Bates and Jack Erickson. With the right data, you can determine root causes more quickly, chart aftertreatment service trends and arm yourself with the information to reduce aftertreatment-related issues and tackle them with confidence when they do arise.
The words alone probably makes your stomach sink and your skin crawl, but they don’t have to.