Blower Motor Always On

Step	Action	Yes	No
Schematic Reference: HVAC Schematics Connector End View Reference: HVAC Connector End Views
1	Did you review the Air Delivery Description and Operation and the Air Temperature Description and Operation perform the necessary inspections?	Go to Step 2	Go to Symptoms - HVAC Systems - Manual
2	Operate the blower motor at each speed. Does the blower motor operate when turned to the OFF position?	Go to Step 3	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3	Remove the heater relay from the right instrument panel junction block. Does the blower motor run?	Go to Step 4	Go to Step 5
4	Repair the short to voltage in the blower motor supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 9	-
5	Test that the heater relay is open between terminals 3 and 5 and that there is continuity between terminals 3 and 4. Did the relay test OK?	Go to Step 6	Go to Step 7
6	Test the heater relay control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 9	Go to Step 8
7	Replace the heater relay. Refer to Blower Motor Relay Replacement . Did you complete the replacement?	Go to Step 9	-
8	Replace the blower switch. Refer to Blower Switch Replacement . Did you complete the replacement?	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