Suspension Control ( Automatic - Electronic Level )

DIAGNOSTIC TROUBLE CODE CHART

C1713/13 - C1779/79:

HINT:
- Using SST 09843-18040, connect terminal TC and CG of DLC3.
- If no abnormality is found when the parts are inspected, inspect the suspension control ECU.
- If a malfunction code is displayed during the DTC check, check the circuit listed for that code. For details of each code, refer to the respective "DTC No." in the DTC chart.

HINT:
- *1: For codes with a "" mark in the "OFF Indicator Light" column, the height control OFF indicator lamp blinks at 1 second intervals.
- *2: The codes with "" mark in the "Memory" column are stored in memory even when the ignition switch is OFF, but the codes with "X" mark are not.
- *3: Height control OFF indicator lamp blinks when the vehicle speed is at 3 km/h (1.9 mph) or higher.
- *4: Since the relief pressure of the compressed air is 980 kPa (10 kgf/sq.cm, 142 psi), if the vehicle height control is attempted on a steeply sloping road, when the vehicle is overloaded, or when the vehicle is jacked up with the engine running, code "C1751/51" may be output and the vehicle height control may be suspended (This is not abnormal.). In this case, however, the vehicle height operation is resumed approx. 10 min. after the ignition switch is turned ON after the ECU detects the first error. If ECU detects another error, it takes 70 minutes until the vehicle height control is resumed.

DTC from input signal check

C1782/82 - C1783/83:

C1786/86 - C1797/97:

If a malfunction code is displayed during the test mode DTC check, check the circuit listed for that code. For details of each code, refer to the respective "DTC No." in the chart.