Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Disconnect the height sensor connector. Measure the voltage from the height sensor connector (vehicle side), terminal C to ground. Is the measurement within the specified values? | 10.5-15 V | Go to Step 3 | Go to Step 2 |
2 | Repair the open in CKT 340 between the height sensor and the rear junction block. Is the repair complete? | -- | -- | |
3 | Measure the voltage from the height sensor connector (vehicle side), terminal C to the same connector, terminal A. Is the measurement within the specified values? | 10.5-15 V | Go to Step 5 | Go to Step 4 |
4 | Repair the open in CKT 550. Is the repair complete? | -- | -- | |
5 |
Is the measurement within the specified values? | 10.5-15 V | Go to Step 7 | Go to Step 6 |
6 | Repair the open in CKT 41. Is the repair complete? | -- | -- | |
7 |
Does the air compressor operate for 3-5 seconds after an initial 35-55 second delay? | -- | Go to Step 9 | Go to Step 8 |
8 | Replace the height sensor. Refer to Automatic Level Control Sensor and Bracket Replacement . Is the replacement complete? | -- | -- | |
9 |
Important: The vehicle must be raised on a drive-on lift or be supported at the rear under the rear axle. Full vehicle weight must be on the rear axle. Does the air compressor run after the 17-27 second delay? | -- | Go to Step 11 | Go to Step 10 |
10 | Replace the height sensor. Refer to Automatic Level Control Sensor and Bracket Replacement . Is the replacement complete? | -- | -- | |
11 | Move the height sensor down slowly until the air compressor stops. Does the air compressor stop? | -- | Go to Step 13 | Go to Step 12 |
12 | Replace the height sensor. Refer to Automatic Level Control Sensor and Bracket Replacement . Is the replacement complete? | -- | -- | |
13 | Move the height sensor arm down so that it is approximately 45 degrees below level (to the floor). After a 17-27 second delay, does air escape from the air compressor as the vehicle begins to lower? | -- | Go to Step 15 | Go to Step 14 |
14 | Replace the height sensor. Refer to Automatic Level Control Sensor and Bracket Replacement . Is the replacement complete? | -- | -- | |
15 | Adjust the height sensor. Refer to Automatic Level Control Sensor and Bracket Replacement . Is the adjustment complete? | -- | -- |
