Step | Action | Yes | No |
|---|---|---|---|
1 | Did you review the cellular telephone operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms |
2 |
Important:: Ensure the cellular telephone handset is properly connected and docked.
Is the transmission received noisy? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Test the coaxial cable in both the center conductor and the shield for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 4 |
4 | Test the auxiliary common input circuit from the radio to the cellular telephone handset jumper for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 5 |
5 | Test the left auxiliary input circuit from the radio to the cellular telephone handset jumper for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 6 |
6 | Test the right auxiliary input circuit from the radio to the cellular telephone handset jumper for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 7 |
7 | Test the cellular telephone handset-to-harness connector jumper wiring for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 8 |
8 | Inspect for poor connections at the harness connector of the cellular telephone handset. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 9 |
9 | Inspect for poor connections at the harness connector of the cellular telephone module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 10 |
10 | Test the cellular telephone operation using a known good cellular telephone handset. Is the voice received still noisy? | Go to Step 12 | Go to Step 11 |
11 | Replace the cellular telephone handset. Refer to Cellular Telephone Replacement . Did you complete the replacement? | Go to Step 13 | -- |
12 | Replace the cellular telephone module. Refer to Radio Frequency Booster and Bracket Assembly Replacement . Did you complete the replacement? | Go to Step 13 | -- |
13 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
