Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Is the measured voltage within the specified range? | 4-6 V | Go to Step 2 | Go to Step 3 |
2 | Use a DMM in order to measure the voltage between the inside air temperature sensor harness connector terminal A (circuit 734) and terminal B (circuit 61). Is the measured voltage within the specified range? | 4-6 V | Go to Step 4 | Go to Step 5 |
3 |
Does the test lamp light? | -- | Go to Step 8 | Go to Step 6 |
4 | Replace the inside air temperature sensor. Refer to Ambient Temperature Sensor Replacement . Is the repair complete? | -- | Go to Step 8 | -- |
5 | Locate and repair an open in circuit 61 (YEL) between the inside air temperature sensor harness connector terminal B and S 258. Refer to Testing for Intermittent Conditions and Poor Connections And Wiring Repairs In Wiring systems. Is the repair complete? | -- | Go to Step 8 | -- |
6 | Locate and repair an open in circuit 734 (DK GRN) between the heater-A/C control harness connector and the inside air temperature sensor connector. Refer to Testing for Intermittent Conditions and Poor Connections And Wiring Repairs In Wiring systems. Is the repair complete? | -- | Go to Step 8 | -- |
7 | Replace the heater-A/C control. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Step 8 | -- |
8 | Verify that the system operates properly. Does the system operate properly? | -- | System OK | Go to Diagnostic System Check |
