Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you review the Blower Controls Circuit Description and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify that the front blower motor high speed is inoperative. Does the front blower motor operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Is the test lamp on? | -- | Go to Step 4 | Go to Step 5 |
4 |
Is the test lamp on? | -- | Go to Step 6 | Go to Step 7 |
5 | 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 10 | Go to Step 11 |
6 | Replace the blower motor resistor. Refer to Blower Motor Resistor Replacement . Is the repair complete? | -- | Go to Step 12 | -- |
7 | 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 8 | Go to Step 9 |
8 | 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 12 | -- |
9 | Replace the heater-A/C control. Refer to HVAC Module Assembly Replacement . Is the repair complete? | -- | Go to Step 12 | -- |
10 | Repair the short to ground in circuit 40. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 12 | -- |
11 | 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 12 | -- |
12 |
Did you correct the condition? | -- | System OK | Go to Step 3 |