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Test W: The Upshift Indicator Is Never/Always On

PINPOINT TEST W: THE UPSHIFT INDICATOR IS NEVER/ALWAYS ON

Normal Operation
The shift indicator is used to inform the driver of shift points that provide the highest fuel economy. The shift indicator is controlled by the instrument cluster (IC) based upon a shift message sent from the PCM over the high speed controller area network (HS-CAN) communication bus lines.

This pinpoint test is intended to diagnose the following:
- PCM
- Instrument cluster (IC)


W1-W4:




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