Change Engine Oil Indicator Always On. Isuzu Ascender

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 2007 🢒 Ascender - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Change Engine Oil Indicator Always On

Diagnostic Instructions

•	Perform the Diagnostic System Check - Vehicle prior to using the diagnostic procedure.

•	Review Strategy Based Diagnosis for an overview of the diagnostic approach.

•	Diagnostic Procedure Instructions provides an overview of each diagnostic category.

The engine control module (ECM)/powertrain control module (PCM) determines when the engine oil should be changed and calculates the oil life in percent. The ECM/PCM sends this information via class 2 serial data to the instrument panel cluster (IPC) which illuminates the oil level percent in the driver information center (DIC). The IPC will illuminate the CHANGE ENGINE OIL message and indicator when the oil needs to be changed.

Reference Information

Schematic Reference

Instrument Cluster Schematics

Connector End View Reference

Displays and Gages Connector End Views

Electrical Information Reference

•	Circuit Testing

•	Connector Repairs

•	Testing for Intermittent Conditions and Poor Connections

•	Wiring Repairs

Scan Tool Reference

Scan Tool Data List

Circuit/System Verification

Verify the scan tool Engine Oil Life Remaining parameter is greater than 0 percent.

⇒	If equal to 0 percent, reset the engine oil life.

If the percent value is normal, replace the IPC.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

•	GM Oil Life System Resetting

•	Control Module References for IPC replacement, setup, and programming