Change Engine Oil Indicator Inoperative. Saturn RELAY Ext. 2007

For 1990-2009 cars only

Makes 🢒 Saturn 🢒 2007 🢒 RELAY Ext. 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Change Engine Oil Indicator Inoperative

Diagnostic Instructions

•	Perform the Diagnostic System Check - Vehicle prior to using this 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) determines when the engine oil should be changed and calculates the oil life in percent. The instrument panel cluster (IPC) receives this information from the ECM through class 2 serial data and illuminates the oil level percent in the driver information center. The IPC will illuminate the CHANGE ENGINE OIL message when the oil needs to be changed.

Reference Information

Fuel Level Specifications

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 Testing

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

⇒	If equal to 0 percent, replace IPC.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

•	GM Oil Life System Resetting

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