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 driver and passenger temperature actuator motors are both inoperative. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Inspect the A/C - Cruise fuse in the LH IP Accessory Wiring Junction Block. Is the fuse open? | -- | Go to Step 4 | Go to Step 5 |
4 | Test for a short to ground on the ignition positive voltage circuit of the heater - A/C control module. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | Go to Step 12 |
5 |
Does the test lamp light? | -- | Go to Step 6 | Go to Step 7 |
6 |
Does the test lamp light? | -- | Go to Step 8 | Go to Step 9 |
7 | Test for a loose connection or an open in the ground circuit to the temperature control actuator . Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | -- |
8 |
Does the test lamp light? | -- | Go to Step 10 | Go to Step 11 |
9 | Test for a loose connection or an open on the heater-A/C control module ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | -- |
10 | Replace the heater-A/C control module. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Step 15 | -- |
11 | Test for a loose connection or an open on the ignition positive voltage circuit of the heater-A/C control module. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | -- |
12 |
Did you find and correct the condition? | -- | Go to Step 15 | Go to Step 13 |
13 |
Did you find and correct the condition? | -- | Go to Step 15 | Go to Step 14 |
14 |
Did you find and correct the condition? | -- | Go to Step 15 | Go to Symptoms |
15 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Symptoms |
