DTC C1745: Exhaust Solenoid Valve Circuit Malfunction (TO 08/2009): Description

The exhaust valve built into the height control compressor assembly opens to discharge compressed air from the pneumatic cylinders into the atmosphere according to the signal from the suspension control ECU.

DTC No.	DTC Detection Condition	Trouble Area
C1745	When either of the following is detected: With the exhaust valve not activated, an open signal of the exhaust valve is detected for 1 second or more. With the exhaust valve activated, a short signal of the exhaust valve is detected 8 times successively.	Height control compressor assembly (Exhaust valve) Wire harness or connector Suspension control ECU