Circuit Description
The Automatic Level Control Sensor monitors the battery voltage for a continuously high voltage or low voltage condition.
Conditions for Running the DTC
The ignition is on.
Conditions for Setting the DTC
The Automatic Level Control sensor detects a continuously high battery voltage above 16.0 V or a continuously low voltage below 9.0 V.
Action Taken When the DTC Sets
This code will not cause the LEVELING indicator lamp to flash.
The function of the ALC system will be disabled.
Conditions for Clearing the DTC
The DTC will clear when battery voltage returns to its normal range.
Diagnostic Aids
| • | Inspect for the addition of any aftermarket components. |
| • | Inspect all wiring for intermittent and poor connections. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. |
Test Description
The number(s) below refer to the step number(s) on the diagnostic table.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Automatic Level Control Schematics | |||
1 | Did you perform the Automatic Level Control Diagnostic System Check? | Go to Step 2 | Go to |
Is any other DTCs present? | Go to | Go to Step 3 | |
3 |
Did you find and correct the condition? | Go to Step 5 | Go to Step 4 |
4 | Replace Automatic Level Control Sensor. Refer to Automatic Level Control Sensor Replacement . Did you complete the replacement? | Go to Step 5 | -- |
Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to | |
