Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you complete the Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check |
2 |
Does the test lamp illuminate? | -- | Go to Step 3 | Go to Step 4 |
3 | Probe with a test lamp between the blower motor relay connector terminal B2 and ground. Does the test lamp illuminate? | -- | Go to Step 6 | Go to Step 8 |
4 | Test for and repair a poor connection at the blower resistor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and repair a poor connection? | -- | Go to Step 9 | Go to Step 5 |
5 | Replace the blower resistor. Refer to Blower Motor Resistor Replacement . Did you complete the replacement? | -- | Go to Step 9 | -- |
6 | Test for and repair a poor connection at the blower motor relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and repair a poor connection? | -- | Go to Step 9 | Go to Step 7 |
7 | Replace the blower motor relay. Refer to Blower Motor Relay Replacement . Did you complete the replacement? | -- | Go to Step 9 | -- |
8 | Repair a poor connection or an open in the blower resistor control circuit of the blower motor relay between the blower resistor and the blower motor relay. Refer to Connector Repairs or Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
