Step | Action | Value(s) | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Data Link Communication Diagnostic System Check? | -- | Go to Step 2 | |||||||
2 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 4 | Go to Step 3 | ||||||
3 | The scan tool may be malfunctioning. Refer to the scan tool instruction manual in order to ensure that the scan tool is functioning. Does the scan tool operate properly? | -- | -- | |||||||
4 |
Is the terminal contact between the DLC and the scan tool OK? | -- | Go to Step 6 | Go to Step 5 | ||||||
5 | Repair the terminal contact at the DLC. Did you complete the repair? | -- | -- | |||||||
6 | Turn the ignition switch to RUN with the engine OFF. Does the scan tool turn ON? | -- | Go to Step 12 | Go to Step 7 | ||||||
7 | Measure the voltage between DLC terminal 16 and ground. Is the voltage within the specified range? | 10-15 V | Go to Step 9 | Go to Step 8 | ||||||
8 | Repair the open or the short to ground in CKT 1740 (ORN). Did you complete the repair? | -- | -- | |||||||
9 | Measure voltage from the DLC terminal 16 to terminal 5. Is the voltage within the specified range? | 10-15 V | Go to Step 11 | Go to Step 10 | ||||||
10 | Repair the open in CKT 51 (BLK/WHT). Did you complete the repair? | -- | -- | |||||||
11 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 12 | Go to Step 13 | ||||||
12 | Replace the PCM. Refer to Powertrain Control Module Replacement/Programming in Engine Controls. Did you complete the repair? | -- | -- | |||||||
13 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 14 | Go to Step 16 | ||||||
14 | Inspect CKT 1807 (PPL) between the EBTCM C2 terminal 10 and the PCM C1 terminal 58 for a short to ground or battery positive voltage (B+). Did you find a short? | -- | Go to Step 54 | Go to Step 15 | ||||||
15 | Replace the EBTCM. Refer to Electronic Brake Control Module Replacement in Antilock Brake System. Did you complete the repair? | -- | -- | |||||||
16 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 17 | Go to Step 18 | ||||||
17 | Replace the radio. Refer to one of the flowing:
Did you complete the repair? | -- | -- | |||||||
18 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 19 | Go to Step 20 | ||||||
19 | Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Did you complete the repair? | -- | -- | |||||||
20 | Is the vehicle equipped w/D55? | -- | Go to Step 21 | Go to Step 24 | ||||||
21 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 22 | Go to Step 24 | ||||||
22 | Inspect CKT 1807 (PPL) for a short to ground or battery positive voltage (B+) between the instrument cluster C3 terminal D1 and the CCP terminal A8. Did you find a short in the circuit? | -- | Go to Step 54 | Go to Step 23 | ||||||
23 | Replace the CCP. Refer to Control Assembly Replacement in HVAC System-Automatic. Did you complete the repair? | -- | -- | |||||||
24 | Is the vehicle equipped w/A45? | -- | Go to Step 25 | Go to Step 28 | ||||||
25 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 26 | Go to Step 28 | ||||||
26 | Inspect CKT 1807 (PPL) for a short to ground or battery positive voltage (B+) between the MMM C1 terminal E16 and the instrument cluster C3 terminal D1 (w/o D55) and the CCP (w/D55). Did you find a short in the circuit? | -- | Go to Step 54 | Go to Step 27 | ||||||
27 | Replace the MMM. Did you complete the repair? | -- | -- | |||||||
28 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 29 | Go to Step 30 | ||||||
29 | Inspect CKT 1807 (PPL) for a short to ground or battery positive voltage (B+) between the heater and A/C programmer C2 terminal D2 and the following component:
Did you find a short in the circuit? | -- | Go to Step 54 | Go to Step 55 | ||||||
30 | Is the vehicle equipped with the cellular telephone module? | -- | Go to Step 31 | Go to Step 33 | ||||||
31 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 32 | Go to Step 33 | ||||||
32 | Replace the cellular telephone module. Refer to one of the flowing:
Did you complete the repair? | -- | -- | |||||||
33 | Is the vehicle equipped w/A45? | -- | Go to Step 34 | Go to Step 36 | ||||||
34 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 35 | Go to Step 36 | ||||||
35 | Inspect CKT 1807 (PPL) for a short to ground or battery positive voltage (B+) between the MSM C1 terminal 26 and the radio terminal E6. Did you find a short in the circuit? | -- | Go to Step 54 | Go to Step 56 | ||||||
36 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 37 | Go to Step 39 | ||||||
37 | Inspect CKT 1807 (PPL) for a short to ground or battery positive voltage (B+) between the SDM terminal 17 and the following component:
Did you find a short in the circuit? | -- | Go to Step 54 | Go to Step 38 | ||||||
38 | Replace the SDM. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR. Did you complete the repair? | -- | -- | |||||||
39 | Is the vehicle equipped w/F45? | -- | Go to Step 40 | Go to Step 42 | ||||||
40 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 41 | Go to Step 42 | ||||||
41 | Replace the CVRSS module. Refer to Electronic Suspension Control Module Replacement in Road Sensing Suspension-RSS. Did you complete the repair? | -- | -- | |||||||
42 | Is the vehicle equipped w/UQ4 or UQ6? | -- | Go to Step 43 | Go to Step 47 | ||||||
43 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 44 | Go to Step 47 | ||||||
44 | Is the vehicle equipped w/F45? | -- | Go to Step 45 | Go to Step 47 | ||||||
45 | Inspect CKT 1807 (PPL) for a short to ground or battery positive voltage between the CVRSS module C1 terminal D5 and the following component:
Did you find a short in the circuit? | -- | Go to Step 54 | Go to Step 46 | ||||||
46 | Replace the following component:
Did you complete the repair? | -- | -- | |||||||
47 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 48 | Go to Step 51 | ||||||
48 | Is the vehicle equipped w/F45, UQ4 or UQ6? | -- | Go to Step 49 | Go to Step 50 | ||||||
49 | Inspect CKT 1807 (PPL) for a short to ground or battery positive voltage (B+) between the RFA module terminal 2 and the following component:
Did you find a short in the circuit? | -- | Go to Step 54 | Go to Step 50 | ||||||
50 | Replace the RFA module. Refer to Remote Control Door Lock Receiver Replacement in Keyless Entry. Did you complete the repair? | -- | -- | |||||||
51 |
Does the scan tool communicate with the vehicle? | -- | Go to Step 52 | Go to Step 54 | ||||||
52 | Inspect CKT 1807 (PPL) for a short to ground or battery positive voltage (B+) between the PZM C1 terminal A2 and the RFA module terminal 3. Did you find a short in the circuit? | -- | Go to Step 54 | Go to Step 53 | ||||||
53 | Replace the PZM. Refer to Body Control Module Replacement in Body Control System. Did you complete the repair? | -- | -- | |||||||
54 | Repair the open, short to ground, or battery positive voltage (B+) in CKT 1807 (PPL). Did you complete the repair? | -- | -- | |||||||
55 | Replace the heater and the A/C programmer. Refer to Programmer Replacement in HVAC System-Automatic. Did you complete the repair? | -- | -- | |||||||
56 | Replace the MSM. Refer to Memory Seat Control Module Replacement in Seats. Did you complete the repair? | -- | -- |
