Blower Motor Inoperative at Any Speed Front
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the Blower Controls Circuit Description and perform the necessary inspections? | -- | Go to Symptoms | |
2 | Verify that the front blower motor is inoperative at any speed. 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 | Repair the poor connection or open in circuit 41 between heater-A/C control and the fuse block. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 12 | -- |
6 | Connect a test lamp between the blower motor connector terminals A and B. Refer to Circuit Testing in Wiring Systems. Is the test lamp on? | -- | Go to Step 8 | Go to Step 9 |
7 | Replace the heater-A/C control. Refer to HVAC Module Assembly Replacement . Is the repair complete? | -- | Go to Step 12 | -- |
8 | Replace the blower motor. Refer to Blower Motor and Fan Replacement . Is the repair complete? | -- | Go to Step 12 | -- |
9 | Connect the test lamp between the blower motor resistor connector terminal E and B+. Is test lamp on? | -- | Go to Step 10 | Go to Step 11 |
10 | Replace the blower motor resistor. Refer to Blower Motor Resistor Replacement . Is the repair complete? | -- | Go to Step 12 | -- |
11 | Repair the poor connection or open in circuit 150. 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 |
Blower Motor Inoperative at Any Speed Rear
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 rear blower motor is inoperative at any speed. Does the rear blower motor operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Is the auxiliary blower inoperative from both switches? | -- | Go to Step 4 | Go to Step 5 |
4 |
Is the test lamp on? | -- | Go to Step 6 | Go to Step 7 |
5 | Is the auxiliary blower inoperative from the rear window wiper/washer and multi-function switch (auxiliary blower switch)? | -- | Go to Step 12 | Go to Step 14 |
6 | Replace the auxiliary blower motor. Refer to Auxiliary Blower Motor and Fan Replacement . Is the repair complete? | -- | Go to Step 22 | -- |
7 | With a test lamp, probe the auxiliary blower motor between terminal B and ground. Refer to Circuit Testing in Wiring Systems. Is the test lamp on? | -- | Go to Step 8 | Go to Step 9 |
8 | Connect a test lamp between the rear window wiper/washer and multi-function switch connector C2 terminal B and B+. Refer to Circuit Testing in Wiring Systems. Is the test lamp on? | -- | Go to Step 10 | Go to Step 11 |
9 | Repair the poor connection or open in circuit 641. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 22 | -- |
10 | Repair the poor connection or open in circuit 1052 between the auxiliary blower motor terminal A and S343. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 22 | -- |
11 | Connect the test lamp between the rear window wiper/washer and multi-function switch connector C2 terminal E and B+. Refer to Circuit Testing in Wiring Systems. Is test lamp on? | -- | Go to Step 12 | Go to Step 13 |
12 | Replace the rear window wiper/washer and multi-function switch. Refer to Auxiliary Air Conditioning (A/C) Control Assembly Replacement - Front . Is the repair complete? | -- | Go to Step 22 | -- |
13 | Repair the poor connection or open in circuit 1450. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 22 | -- |
14 |
Is the test lamp on? | -- | Go to Step 15 | Go to Step 16 |
15 | With a test lamp, probe the auxiliary heater-A/C control between connector C1 terminal 1 and connector C2 terminal C. Refer to Circuit Testing in Wiring Systems. Is the test lamp on? | -- | Go to Step 17 | Go to Step 18 |
16 | Repair the poor connection or open in circuit 641 between the auxiliary heater-A/C control connector C1 terminal 1 and S345. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 22 | -- |
17 |
Is the test lamp on? | -- | Go to Step 19 | Go to Step 20 |
18 | Repair the poor connection or open in circuit 1750. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 22 | -- |
19 | Replace the auxiliary heater-A/C control. Refer to Auxiliary HVAC Module Replacement . Is the repair complete? | -- | Go to Step 22 | -- |
20 | Connect the test lamp between the rear window wiper/washer and multi-function switch connector C2 terminal G and B+. Refer to Circuit Testing in Wiring Systems. Is test lamp on? | -- | Go to Step 21 | Go to Step 12 |
21 | Repair the poor connection or open in circuit 778. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 22 | -- |
22 |
Did you correct the condition? | -- | System OK | Go to Step 3 |
