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 |
Does the audio system mute and a beep sound through the audio system speakers? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Test the stereo audio return circuit 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 12 | Go to Step 4 |
4 | Test the stereo audio left circuit 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 12 | Go to Step 5 |
5 | Test the stereo audio right circuit 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 12 | Go to Step 6 |
6 | Test the shield ground circuit 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 12 | Go to Step 7 |
7 | 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 12 | Go to Step 8 |
8 | 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 12 | Go to Step 9 |
9 | Test the cellular telephone operation using a known good cellular telephone handset. Is the voice now transmitted? | Go to Step 10 | Go to Step 11 |
10 | Replace the cellular telephone handset. Refer to Cellular Telephone Replacement . Did you complete the replacement? | Go to Step 12 | -- |
11 | Replace the cellular telephone module. Refer to Radio Frequency Booster and Bracket Assembly Replacement . Did you complete the replacement? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
