Pinpoint Test C: Most Network Downstream Tests

C1: MOST NETWORK DOWNSTREAM TEST 1 

1. Disconnect the MOST harness connector from the audio head unit
2. Direct the MOST harness connector at a suitable surface and check for the presence of red light

Is red light present? 

YES:  GO to Pinpoint Test H .

NO:  The fault is in the MOST harness between the MOST tester and the audio head unit. Install a new MOST harness as necessary