DTC P2012: TGV Control Circuit Low Bank 2: Notes
DTC detecting condition:
Immediately at fault recognition
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode Ref. to ENGINE (DIAGNOSTICS) (STI)>Clear Memory Mode>OPERATION
, and inspection mode Ref. to ENGINE (DIAGNOSTICS) (STI)>Inspection Mode>PROCEDURE
.
Wiring diagram:
Engine Electrical System Ref. to WIRING SYSTEM>Engine Electrical System>WIRING DIAGRAM .
- CHECK HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ASSEMBLY LH CONNECTOR
.
- Turn the ignition switch to OFF.
- Disconnect the connector from ECM.
- Measure the voltage between ECM connector and chassis ground.
Connector & terminal
(B134) No. 23 (+) - Chassis ground (-):
(B134) No. 24 (+) - Chassis ground (-):
Is the voltage 5 V or more?
Yes: Repair the short circuit to power in harness between ECM connector and tumble generator valve assembly LH connector.
No: Replace the tumble generator valve assembly LH. Ref. to FUEL INJECTION (FUEL SYSTEMS) (STI)>Tumble Generator Valve Assembly .