Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Is the resistance measured greater than specified? | 0.15 ohms | ||
2 |
Does the DMM indicate intermittent continuity? | -- | ||
3 | Is the coax cable type RG-58 or RG-59? | -- | ||
4 | Is the measured resistance less than 0.2ohms? | -- | ||
5 | For RG-62 or RG-62M, does the measured resistance approximately equal the value? | Less than 3.5ohms | ||
6 | While observing the DMM, wiggle the antenna coax. Does the meter indicate intermittent continuity? | -- | ||
7 |
Is the voltage measured within the specified value? | 10-14V | ||
8 | Check the radio antenna module and the coaxial cable interconnects for a poor connection or corrosion. Are all connections clean, tight and free of corrosion? | -- | ||
9 | Using a DMM, measure the voltage between the radio antenna module harness connector terminal A and ground. Is the voltage measured within the specified range? | 10-14V | ||
10 |
Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
11 | Replace the radio antenna module. Refer to Antenna Amplifier Replacement for service procedure. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
12 | Repair poor connection or open in circuit 351. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
13 | Repair poor connection or open in circuit 145. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
