ALDL Diagnostic Code Retrieval

Using the ALDL/DLC Port, the OBD1 Diagnostic Trouble Codes are retrieved and analyzed for diagnosis.

ZR1 ON-CAR Testing

Your ECM is road tested in an actual ZR1 for diagnosis purposes and again for performance verification after it is repaired, restored and/or reworked.

critical ON-Bench Testing

Using our custom-made ZR1 Emulator, a specific and accurate diagnosis is possible.

EIGHT Injector transistors

Often one or several power transistors fail and require replacement.

CRITICAL COMPONENTS U13 & U15

Components U13 and U15 are application specific Delco proprietary ICs that tend to fail after three decades.

REWORK and restore

To restore an ECM, it's sometimes necessary to rework the circuit boards with an outboard micro-controller, equipped with customized firmware, to substitute for a failed component.