Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The front blower motor will not operate in HI speed only. | ||||
1 | Did you review the HVAC blower operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 |
Does the blower motor operate? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate? | -- | Go to Step 4 | Go to Step 5 |
4 | Connect a J 35616-200 unpowered test lamp between blower motor resistor/relay connector cavity A for CKT 542 (RED) and ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | Go to Step 8 | Go to Step 6 |
5 |
Is continuity present? | -- | Go to Step 7 | Go to Step 9 |
6 | Repair the open in CKT 542 (RED) between the underhood fuse-relay center and the blower motor resistor/relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 10 | -- |
7 | Repair the open in CKT 52 (ORN) between the heater and A/C controller and the blower motor resistor/relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 10 | -- |
8 | Replace the blower motor resistor/relay. Refer to Blower Motor Resistor Replacement . Did you complete the repair? | -- | Go to Step 10 | -- |
9 | Replace the heater and A/C controller. Refer to Control Assembly Replacement . Did you complete the repair? | -- | Go to Step 10 | -- |
10 | Operate the blower motor in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
