Part Name Description Location Part Type Y931 Sol valve gas tank7 {CG 1 B} componentSymbol _ _ _ Y934 Solenoid valve unit, ECS, last trailer (Biartic) {FA 3 C} componentSymbol Volvo Bus Corporation Document Title WIRING DIAGRAM Document Type TECHNICAL REGULATION Document No 20904123 Issue Index 02 Volume No 02(02) Page No 50(50) Part Name Description Location Part Type Y931 Sol valve gas tank7 _ _ _ {CG 1 B} componentSymbol Y934 Solenoid valve unit, ECS, last trailer (Biartic) {FA 3 C} componentSymbol