Test R: The Check Gauge Warning Indicator Is Never/Always On

PINPOINT TEST R: THE CHECK GAUGE WARNING INDICATOR IS NEVER/ALWAYS ON

R1-R3:

Normal Operation
The check gauge warning indicator illuminates when a low oil pressure or an engine over temperature condition exists. The instrument cluster receives engine data from the powertrain control module (PCM) over the communication network.

Possible Causes
- PCM
- instrument cluster