Test E: The Speedometer Is Inoperative
PINPOINT TEST E: THE SPEEDOMETER IS INOPERATIVENormal Operation
The instrument cluster (IC) receives the vehicle speed sensor (VSS) signal from the PCM over the controller area network (CAN) communication bus. The instrument cluster (IC) monitors the VSS input from the PCM and commands the speedometer with a corresponding movement of the pointer. If the instrument cluster (IC) does not receive the VSS data, or the data is deemed invalid by the instrument cluster (IC) for more than 5 seconds, the message is considered missing and the instrument cluster (IC) sets DTC U0100 and defaults the speedometer to 0 km/h (0 mph).
This pinpoint test is intended to diagnose the following:
- Instrument cluster (IC)