Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Use a DMM in order to measure the voltage between the Data Link Connector DLC terminal 16 and the ground. Is the voltage within the specified range? | B+ (9-14 V) | ||
2 | Use a DMM in order to measure the voltage between B+ and DLC terminal 5. Is the voltage within the specified range? | B+ (9-14 V) | ||
3 | Use a DMM in order to measure the voltage between B+ and DLC terminal 4. Is the voltage within the specified range? | B+ (9-14 V) | ||
4 | Inspect for proper connection of the scan tool to the DLC. Is the connection OK between the scan tool and the DLC? | -- | ||
5 | Use the scan tool in order to establish communication with the PCM on a different vehicle. Can communication be established with the scan tool? | -- | ||
6 |
Can the scan tool communicate with the PCM? | -- | ||
7 |
Is the resistance the same as the specified value? | Infinite | ||
8 |
Is the voltage within the specified value? | Less than 1 V | ||
9 | Repair the poor connection or an open in CKT 640 between the DLC terminal 16 and S202. Is the repair complete? | -- | -- | |
10 | Repair the poor connection between the DLC and the scan tool. Is the repair complete? | -- | -- | |
11 | Determine if the scan tool is malfunctioning. Refer to the scan tool instruction manual for additional information. Is the action complete? | -- | -- | |
12 | Does the radio work? | -- | ||
13 | Malfunction is not present or intermittent. Inspect the PCM, SDM, and EBCM connectors for a poor connection, short to B+, or short to ground in CKT 800. Repair as necessary. Is the action complete? | -- | -- | |
14 | Repair the short to ground in CKT 800. Is the repair complete? | -- | -- | |
15 |
| -- | -- | |
16 | Check continuity between DLC terminal 9 and the PCM connector C1 terminal 15. Is there continuity? | -- | ||
17 |
Is the action complete? | -- | -- | |
18 | Check Fuse 10. Is Fuse 10 OK? | -- | ||
19 | Repair a poor connection or open in circuit 640 between the fuse block and S202. Has the repair been made? | -- | -- | |
20 | Replace the fuse. Is the repair complete? | -- | -- | |
21 | Does the instrument cluster display work? | -- | ||
22 | Repair a poor connection or open in circuit 1550 between the DLC and S211. Has the repair been made? | -- | -- | |
23 | Repair a poor connection or open in circuit 1550 between S211 and G201. Has the repair been made? | -- | -- | |
24 |
Is a short to ground present? | -- | Refer to PCM | |
25 | Repair the poor connection or an open in CKT 800. Is the repair complete? | -- | -- | |
26 |
Is a short to ground present? | -- | Refer to EBCM | Refer SIR |
