Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Cellular Telephone System Check performed? | -- | ||
2 | Check 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? | -- | ||
3 | Is the audio also noisy when the radio or compact disk (CD) changer is on? | -- | ||
4 | Diagnose the audio system. Refer to Radio/Audio System Check . Is the repair complete? | -- | -- | |
5 |
Is the measured voltage in the range shown? | Above 0.5 Volts | ||
6 | Repair CKT 659 (LT BLU/BLK) or the audio shield ground circuit for a short to battery positive voltage. Is the circuit repair complete? | -- | -- | |
7 |
Is the replacement complete? | -- | -- | |
8 | Check the audio shield ground wire for an open or short to battery positive voltage. Is the shield ground wire OK? | -- | ||
9 | Repair audio shield ground wire. Is the circuit repair complete? | -- | -- | |
10 | Check CKT 1235 (LT BLU) for an open. Is the circuit OK? | -- | ||
11 | Repair open CKT 1235 (LT BLU). Is the circuit repair complete? | -- | -- | |
12 | Replace the handset and handset cord. Refer to Cellular Telephone Replacement . After replacement, is the audio still noisy? | -- | ||
13 | Check handset connector for poor terminal contact. If OK, the handset or handset cord (replaced in step 12) is faulty. Is the replacement complete? | -- | -- | |
14 |
Is the replacement complete? | -- | -- | |
15 |
Is the system check complete? | -- | System OK | -- |
