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System Diagnosis

WARNING: This page is about a different car, the 1998 Honda Odyssey, 1998 Honda Accord, and 1998 Acura 2.3CL. However, it is still accessible from the selected car via links, so may be relevant.

PCM monitors transaxle operation. PCM contains a self-diagnostic system which stores a DTC if a transaxle electronic control system failure is present. If a DTC is stored, PCM will illuminate and flash "D4" light on A/T gear position indicator on instrument panel. See Figure . If a transaxle electronic control system failure is suspected, and "D4" light on A/T gear position indicator does not flash, perform appropriate test under "D4" INDICATOR LIGHT CIRCUIT CHECK  . DTCs can be retrieved using an OBD-II scan tool connected to Data Link Connector (DLC) located behind ashtray on Acura and under left side of instrument panel on Honda. Flash Code may also be retrieved for diagnosing transaxle electronic control system.

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