Circuit/System Testing

Ignition OFF, disconnect the digital radio antenna coax cable from the T23R Radio Antenna Amplifier-Right and the A11 Radio.
Verify the digital radio antenna coax cable passes the coax cable component test. Refer to Component Testing .
- If the coax cable does not pass the test
  Replace the antenna coax cable
- If the coax cable passes the test
Replace the T23R Radio Antenna Amplifier-Right.
Ignition ON, A11 radio ON, tune to digital band.
Verify DTC B125E is not set as current and digital reception is improved.
- If DTC B125E is set as current or digital reception is improved
  Replace the A11 Radio.
- If DTC B125E is not set as current and digital reception is improved
All OK.