Test T: The Wrench Warning Indicator Is Never/Always On

PINPOINT TEST T: THE WRENCH WARNING INDICATOR IS NEVER/ALWAYS ON

T1-T4:

Normal Operation
The instrument cluster receives the electronic throttle control (ETC) status from the powertrain control module (PCM) over the communication network. When a system concern is detected, the PCM sends the instrument cluster a command signal to illuminate the wrench warning indicator.

Possible Causes
- PCM
- Instrument cluster