Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the Control Assembly Description and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify that the LH temperature control actuator motor is inoperative. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the measured voltage vary within the specified range with the movement of the temperature control ? | 1-12V | Go to Step 4 | Go to Step 5 |
4 |
Is the measured voltage within the specified value? | 9-14V | Go to Step 6 | Go to Step 7 |
5 | Test for a loose connection or an open on the LH temperature control actuator motor signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 11 | Go to Step 9 |
6 |
Is the measured voltage within the specified value? | 9-14V | Go to Step 8 | Go to Step 10 |
7 | Test for a loose connection or an open on the ignition positive voltage circuit of the LH temperature control actuator motor . Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 11 | -- |
8 | Replace the LH temperature control actuator motor. Refer to Temperature Actuator Replacement . Is the repair complete? | -- | Go to Step 11 | -- |
9 | Replace the heater-A/C control module. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Step 11 | -- |
10 | Test for a loose connection or an open in the LH temperature control actuator motor ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Symptoms |
