Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Heater Blower Controls System Check performed? | -- | Go to Step 2 | |
2 |
Does the test lamp light? | -- | Go to Step 3 | Go to Step 8 |
3 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 9 |
4 |
Is continuity present? | -- | Go to Step 5 | Go to Step 10 |
5 | Connect a J 39200 between the auxiliary blower motor resistor, pin A and pin D. Is the resistance equal to or less than the specified value? | 3 ohms | Go to Step 6 | Go to Step 11 |
6 |
Is continuity present? | -- | Go to Step 12 | Go to Step 7 |
7 |
Is continuity present? | -- | Go to Step 13 | Go to Step 14 |
8 | Repair the open in CKT 1542 (RED) between splice S412 and the auxiliary blower motor low speed relay connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
9 | Repair the open in CKT 341 (BRN) between splice S405 and the auxiliary blower motor low speed relay connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
10 | Repair the open in CKT 1176 (YEL) between the auxiliary blower motor low speed relay connector and the auxiliary blower motor resistor connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
11 | Replace the auxiliary blower motor resistor. Refer to Auxiliary Blower Motor Resistor Replacement . Is the repair complete? | -- | -- | |
12 | Replace the auxiliary blower motor low speed relay. Is the repair complete? | -- | -- | |
13 | Repair the open in CKT 1926 (DK BLU)/60 (YEL) between the auxiliary blower motor low speed relay connector and the auxiliary blower motor switch connector. Refer to Wiring Repairs . Is the repair complete? | -- | -- | |
14 | Replace the auxiliary blower motor switch. Refer to one of the following procedures: Is the repair complete? | -- | -- |
