Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Cellular Telephone Schematics | ||||
1 | Did you perform Diagnostic System Check - Cellular Communication ? | -- | ||
2 |
Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | |
3 | Test the cellular telephone audio through the handset earpiece and through the vehicle audio system. Is the cellular telephone audio noisy through the handset earpiece only? | -- | ||
4 | Is the audio also noisy when the radio or compact disk (CD) changer is on? | -- | Go to Diagnostic System Check - Radio/Audio System in Entertainment. | |
5 |
Did you find and correct the conditon? | -- | ||
6 | Test the voice signal drain wire for a short to battery positive voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the conditon? | -- | ||
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 conditon? | -- | ||
8 | Replace the handset and handset cord. Did you find and correct the condition? | -- | ||
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? | -- | ||
10 | Replace the cellular telephone module. Refer to Cellular Telephone Module Replacement . Did you complete the replacement? | -- | -- | |
11 | Operate the system in order to verify the repair. Did you correct ther condition? | -- | System OK | |
