Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Heater Blower Controls System Check? | -- | Go to Step 2 | |
2 |
Did the test lamp light? | -- | Go to Step 3 | Go to Step 4 |
3 | Inspect for a poor connection at the rear heater resistor pack. Does a poor connection exist? | -- | Go to Step 9 | Go to Step 5 |
4 | Use a test lamp J 35616-200 in order to backprobe from the rear heater switch CKT 1925 (RED) cavity B to ground. Did the test lamp light? | -- | Go to Step 6 | Go to Step 7 |
5 | Replace the rear heater resistor pack. Refer to Auxiliary Blower Motor Resistor Replacement in Heating and Ventilation (Non-A/C). Is the repair complete? | -- | -- | |
6 | Repair the open in CKT 1925 (RED) between the rear heater switch and the rear heater resistor pack. Is the repair complete? | -- | -- | |
7 | Inspect for a poor connection at the rear heater switch. Did you find a poor connection? | -- | Go to Step 9 | Go to Step 8 |
8 | Replace the rear heater switch. Refer to Control Switch Replacement - Auxiliary in Heating and Ventilation (Non-A/C). Is the repair complete? | -- | -- | |
9 | Repair the poor connection. Is the repair complete? | -- | -- |
