Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Was the entire HVAC diagnostic system check performed? | -- | Go to Step 2 | Go to Diagnostic System Check |
2 |
Is the test lamp on? | -- | Go to Step 3 | Go to Step 4 |
3 |
Is the test lamp on? | -- | Go to Step 5 | Go to Step 6 |
4 | Check for a short to ground in circuit 40. Refer to Circuit Testing in Wiring Systems. Is a short to ground present? | -- | Go to Step 9 | Go to Step 10 |
5 | Replace the blower motor resistor. Refer to Blower Motor Resistor Replacement . Is the repair complete? | -- | Go to Step 11 | -- |
6 | Connect the test lamp between the heater-A/C control connector C1 terminal C and ground. Refer to Circuit Testing in Wiring Systems. Is the test lamp on? | -- | Go to Step 7 | Go to Step 8 |
7 | Repair the poor connection or open in circuit 52. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 11 | -- |
8 | Replace the heater-A/C control. Refer to HVAC Module Assembly Replacement . Is the repair complete? | -- | Go to Step 11 | -- |
9 | Repair the short to ground in circuit 40. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 11 | -- |
10 | Repair the poor connection or open in circuit 40. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 11 | -- |
11 |
Have all the repairs been made? | -- | Go to Diagnostic System Check | -- |