Test A: The Message Center Is Not Operating Correctly (High Series Instrument Cluster [IC])

PINPOINT TEST A: THE MESSAGE CENTER IS NOT OPERATING CORRECTLY (HIGH SERIES INSTRUMENT CLUSTER [IC])

Normal Operation
The message center functionality is controlled through the message center switch, which is hardwired to the instrument cluster (IC) through circuits CMC29 (GN/VT) and RMC32 (GN/BU).

This pinpoint test is intended to diagnose the following:
- Message center switch concern
- Instrument cluster (IC)

A1:

A2: