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DTC P0034 SCB VALVE CONTROL SOLENOID VALVE EC-1315 [VG33ER] C D E F G H I J K L M A EC Specification data are reference values, and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam- Diagnostic Procedure UBS00DT1 1. CHECK SCB VALVE CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect SCB valve control solenoid valve harness connec- 3. Turn ignition switch ON. 4. Check voltage between SCB valve control solenoid valve termi- OK or NG OK >> GO TO 3. NG >> GO TO 2. 2. DETECT MALFUNCTIONING PART Check the following. ● Fuse block (J/B) connector E49 ● 10A fuse ● Harness for open or short between SCB valve control solenoid valve and fuse >> Repair harness or connectors. TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 6 G/W SCB valve control solenoid [Ignition switch: ON] ● Engine stopped BATTERY VOLTAGE [Engine is running] ● Idle speed Approximately 0V LEC806 Voltage: Battery voltage SEF657W |