Temperature and Mode Valves Inoperative-Auxiliary Cargo Van
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the HVAC Air Delivery System Check performed? | -- | Go to Step 2 | |
2 |
Did the test lamp light? | -- | Go to Step 3 | Go to Step 5 |
3 |
Did the test lamp light? | -- | Go to Step 4 | Go to Step 6 |
4 | Connect an ohmmeter between the rear auxiliary temperature valve assembly connector cavity 10, for CKT 150 (BLK) and ground. Does the circuit have continuity? | -- | Go to Step 7 | Go to Step 8 |
5 | Repair the open in CKT 341 (BRN) between the instrument panel fuse block and the front auxiliary control module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
6 | Repair the open in CKT 341 (BRN) between splice S405 and the instrument panel fuse block. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
7 | Replace the front auxiliary HVAC control module. Refer to Control Switch Replacement - Auxiliary . Is the repair complete? | -- | -- | |
8 | Repair the open in CKT 150 (BLK) between splice S411 and ground G400. Refer to Wiring Repairs . Is the repair complete? | -- | -- |
Temperature and Mode Valves Inoperative-Auxiliary Passenger Van
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the HVAC Air Delivery System Check performed? | -- | Go to Step 2 | |
2 |
Does the test lamp light? | -- | Go to Step 3 | Go to Step 26 |
3 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 27 |
4 | Connect an ohmmeter between the rear auxiliary temperature valve connector, cavity 7 for CKT 150 (BLK), and ground. Does the circuit have continuity? | -- | Go to Step 5 | Go to Step 28 |
5 | Do the rear auxiliary mode and temperature valves operate from the rear auxiliary HVAC control module? | -- | Go to Step 6 | Go to Step 14 |
6 |
Is voltage present and does it vary? | -- | Go to Step 10 | Go to Step 7 |
7 |
Does the test lamp light? | -- | Go to Step 29 | Go to Step 8 |
8 | Connect an ohmmeter between the front auxiliary HVAC control module connector, cavity H for CKT 734 (DK GRN), and ground. Does the circuit have continuity? | -- | Go to Step 30 | Go to Step 9 |
9 | Connect an ohmmeter between the front auxiliary control module connector, cavity H, and the heater and A/C control logic module connector, cavity A for CKT 734 (DK GRN). Does the circuit have continuity? | -- | Go to Step 31 | Go to Step 32 |
10 |
Is voltage present and does it vary? | -- | Go to Step 33 | Go to Step 11 |
11 |
Does the test lamp light? | -- | Go to Step 34 | Go to Step 12 |
12 | Connect an ohmmeter between the front auxiliary HVAC control module connector, cavity J for CKT 733 (LT BLU), and ground. Does the circuit have continuity? | -- | Go to Step 35 | Go to Step 13 |
13 | Connect an ohmmeter between the front auxiliary HVAC control module connector, cavity J, and the heater and A/C control logic module connector, cavity E for CKT 733 (LT BLU). Does the circuit have continuity? | -- | Go to Step 31 | Go to Step 36 |
14 |
Does the test lamp light? | -- | Go to Step 15 | Go to Step 37 |
15 |
Does the circuit have continuity? | -- | Go to Step 17 | Go to Step 16 |
16 |
Does the circuit have continuity? | -- | Go to Step 31 | Go to Step 38 |
17 |
Does the test lamp light? | -- | Go to Step 18 | Go to Step 39 |
18 |
Is voltage present and does it vary? | -- | Go to Step 22 | Go to Step 19 |
19 |
Does the test lamp light? | -- | Go to Step 40 | Go to Step 20 |
20 | Connect an ohmmeter between the rear auxiliary HVAC control module connector, cavity H for CKT 734 (DK GRN), and ground. Does the circuit have continuity? | -- | Go to Step 41 | Go to Step 21 |
21 | Connect an ohmmeter between the rear auxiliary HVAC control module connector, cavity H, and the heater and A/C control logic module connector, cavity C for CKT 734 (DK GRN). Does the circuit have continuity? | -- | Go to Step 42 | Go to Step 43 |
22 |
Is voltage present and does it vary? | -- | Go to Step 33 | Go to Step 23 |
23 |
Does the test lamp light? | -- | Go to Step 44 | Go to Step 24 |
24 | Connect an ohmmeter between the rear auxiliary HVAC control module connector, cavity J for CKT 733 (LT BLU), and ground. Does the circuit have continuity? | -- | Go to Step 45 | Go to Step 25 |
25 | Connect an ohmmeter between the rear auxiliary HVAC control module connector, cavity J, and the heater and A/C control logic module connector, cavity D for CKT 733 (LT BLU). Does the circuit have continuity? | -- | Go to Step 42 | Go to Step 46 |
26 | Repair the open in CKT 341 (BRN) between the instrument panel fuse block and splice S307. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
27 | Repair the open in CKT 341 (BRN) between the rear auxiliary temperature valve assembly and splice S404. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
28 | Repair the open in CKT 150 (BLK) between splice S411 and ground G400. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
29 | Repair the short to voltage in CKT 734 (DK GRN) between the front auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
30 | Repair the short to ground in CKT 734 (DK GRN) between the front auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
31 | Replace the front auxiliary HVAC control module. Refer to Control Switch Replacement - Auxiliary . Is the repair complete? | -- | -- | |
32 | Repair the open in CKT 734 (DK GRN) between the front auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
33 | Replace the heater and A/C control logic module. Is the repair complete? | -- | -- | |
34 | Repair the short to voltage in CKT 733 (LT BLU) between the front auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
35 | Repair the short to ground in CKT 733 (LT BLU) between the front auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
36 | Repair the open in CKT 733 (LT BLU) between the front auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
37 | Repair the open in CKT 341 (BRN) between the heater and A/C control logic module and splice S307. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
38 | Repair the open in CKT 203 (LT BLU) between the front auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
39 | Repair the open in CKT 341 (BRN) between the rear auxiliary HVAC control module and splice S307. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
40 | Repair the short to voltage in CKT 734 (DK GRN) between the rear auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
41 | Repair the short to ground in CKT 734 (DK GRN) between the rear auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
42 | Replace the rear auxiliary HVAC control module. Refer to Control Switch Replacement - Auxiliary . Is the repair complete? | -- | -- | |
43 | Repair the open in CKT 734 (DK GRN) between the rear auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
44 | Repair the short to voltage in CKT 733 (LT BLU) between the rear auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
45 | Repair the short to ground in CKT 733 (LT BLU) between the rear auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
46 | Repair the open in CKT 733 (LT BLU) between the rear auxiliary control module and the heater and A/C control logic module. Refer to Wiring Repairs . Is the repair complete? | -- | -- |
