Circuit Description

Solenoid valve relay supplies power to solenoid valve coils in EBCM. Solenoid valve relay, located in EBCM, is activated whenever ignition is on and no faults are present. Solenoid valve relay remains engaged until ignition is turned off or a failure is detected.

DTC sets anytime solenoid valve relay is commanded on and EBCM does not see battery voltage at solenoid valves or anytime EBCM commands solenoid valve relay off and battery voltage is still present at solenoid valves.