Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Cellular Telephone System Check performed? | -- | ||
2 |
Does the telephone display illuminate? | -- | ||
3 |
Does the PHN NO HANDSET message appear on the DIC? | -- | ||
4 | Check the AUDIO fuse in the rear junction block. (Note that if this fuse is open, the radio and compact disk (CD) changer are also inoperative.) Is the fuse open? | -- | ||
5 | Repair short to ground on CKT 2240 (ORN). Is the circuit repair complete? | -- | -- | |
6 |
Is the measured voltage in the specified range for both measurements? | 10-15 V | ||
7 | Repair open circuit 2240 (ORN). Is the circuit repair complete? | -- | -- | |
8 | Connect a DMM between cellular telephone module terminal 3 and battery positive voltage (B+), then terminal 17 and B+. s the measured voltage in the specified range for both terminals? | 10-15 V | ||
9 | Repair open CKT 1051 (BLK) or poor connection at ground G401. Is the circuit repair complete? | -- | -- | |
10 |
Is the measured voltage within the specified limits? | 11.5 - 12.5 Volts | ||
11 | Check CKT 1798 (GRY/BLK) for an open or short to ground. Is the circuit OK? | -- | ||
12 | Repair CKT 1798 (GRY/BLK). Is the circuit repair complete? | -- | -- | |
13 | Check CKT 1941 (BRN) for an open or short to ground. Is the circuit OK? | -- | ||
14 | Repair CKT 1941 (BRN). Is the circuit repair complete? | -- | -- | |
15 | Using a DMM set to DC volts scale, measure the voltage between handset connector terminals 8 and 10. Is the measured voltage in the specified range? | 8.3 - 8.7 Volts | ||
16 | Check CKT 1266 (RED) for an open or short to ground. Is the circuit OK? | -- | ||
17 | Repair 1266 (RED). Is the circuit repair complete? | -- | -- | |
18 | Check CKT 1156 for an open, short to ground or short to battery positive voltage (B+). Is the circuit OK? | -- | ||
19 | Repair CKT 1156. Is the circuit repair complete? | -- | -- | |
20 | Check CKT 679 (PPL) for an open, short to ground or short to battery positive voltage (B+). Is the circuit OK? | -- | ||
21 | Repair 679 (PPL). Is the circuit repair complete? | -- | -- | |
22 | Is the telephone a portable cellular telephone? | -- | ||
23 |
Does the PHN NO HANDSET message still appear on the DIC? | -- | ||
24 | The handset coil cord (replaced in step 23) is faulty. Is the replacement complete? | -- | -- | |
25 |
Does the PHN NO HANDSET message still appear on the DIC? | -- | ||
26 | The handset adapter card (replaced in step 25) is faulty. Is the replacement complete? | -- | -- | |
27 |
Does the PHN NO HANDSET message still appear on the DIC? | -- | ||
28 | The cellular telephone docking station (replaced in step 27) is faulty. Is the replacement complete? | -- | -- | |
29 | Replace the cellular telephone handset. Refer to Cellular Telephone Replacement . Is the replacement complete? | -- | -- | |
30 | Replace the cellular telephone module. Refer to Radio Frequency Booster and Bracket Assembly Replacement . Is the replacement complete? | -- | -- | |
31 |
Is the system check complete? | -- | System OK | -- |
